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Compact THX

System 4 THX

Small size along with multiple set-up options allow for easy room integration
5 Reviews
€ 999.99 € 939.99
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Highlights

Why we love this product
We always jump at the chance to create something new while fulfilling THX's stringent requirements, in this case THX Compact Speaker System certification.
Key advantages at a glance
  • Small size along with multiple set-up options allow for easy room integration
  • Delivers a full cinema experience in small and medium-sized rooms
  • Reproduces balanced sound over the entire frequency range
  • The stylish compact design packs a big acoustic punch
  • A miniature masterpiece for hifi fans and movie buffs
  • Compact 2-way flat membrane satellite speakers
  • 2-way dipole surround speakers create an authentic cinema atmosphere
  • Suitable for use with all A/V receivers, even those without THX licensing
What others are saying about us
(5 of 5 from 5 Reviews)
All ratings
Speaker stands not included.
Features

Overview of our technologies

THX Certified
THX System
What is THX?
THX is the industry standard for movies and music. It guarantees a high-quality sound experience so you don't miss anything the sound engineers put in.

Loudspeakers with THX certification guarantee the following:

  • 3 identically constructed & tuned front loudspeakers for homogenous and precise sound reproduction
  • Maximum noise reduction at high volumes for a consistently clean and detailed tone
  • An almost completely linear frequency response for extremely accurate sound reproduction
  • Wide dispersion along a broad horizon that reaches more listeners
  • Distortion-free high volumes for authentic sound reproduction
3 identical front speakers

The best things come in small packages. The compact yet high-performance, powerful satellites offer exteremely balanced playback for films and all music genres. We spent several months and went through countless prototypes to determine the final position of the set’s special flat membranes as well as the shape of the enclosure, baffle, and grilles. The result is an extraordinarily wide and uniform emission for an immersive surround sound that delivers an authentic THX experience.

Teufel System 4 THX
Design, installation, connection

The lacquered side panels provide additional stability and minimise cabinet resonance. The contrast finish is subtly supported by red plastic inlays in the shadow gaps. The speakers can be easily attached to the wall with the integrated keyhole holder. With the AC 7500 SM wall mount bracket, the speakers can also be swivelled horizontally. Thanks to its efficient speakers, the System 4 also plays superior quality sound even with inexpensive AV receivers (a THX license is not necessary).

4 THX S 400 FCR Lautsprecher null Weiss
Bringing cinema sound to your living room

The System 4 offers all the advantages of THX tested and certified acoustics, but is small enough to be easily integrated into any living space. The ability to reproduce not only movie soundtracks but all kinds of music at the highest Hi-Fi level makes the System 4 an excellent and very versatile 5.1 home cinema set.

Teufel System 4 THX Frontansicht Center-Lautsprecher Lautsprecher S 400 FCR
THX centre for the best speech intelligibility
With 2 mid-range drivers, this centre offers powerful, distortion-free sound and high speech intelligibility for films and gaming - even at low volume. The sound is tuned to the System 4 satellites. Thanks to its shallow depth, the device can be easily mounted on the wall) or on a shelf.
Teufel System 4 THX Frontansicht Center-Lautsprecher Lautsprecher S 400 FCR
THX dipole speaker for the ultimate cinema atmosphere
The THX dipoles ’ omnidirectional lateral dispersion greatly contributes to the realistic sound reproduction of the rear speakers. Two midrange drivers and two tweeters produce enough power to reproduce even very dynamic soundtracks with a high degree of realism. A cinematic soundstage, whereby individual surround channels are reproduced by multiple loudspeakers, is convincingly simulated by dipole speakers.
System 4 THX Teufel Dipol Lautsprecher S 400 D
Subwoofer S 4000 SW

The S 4000 SW offers ultra-low bass up to 35 Hz with extremely slim dimensions. It has three 130 mm bass drivers with an enormous lifting capacity of 8 mm. This movement can generate as much sound pressure as is generated by a considerably larger design.

The drivers of the subwoofer are the real sensation: a strong magnet, tightest tolerances in the air gap and the coil carrier as well as high-strength bonding thanks to innovative manufacturing processes enable extraordinary loads and thus the lowest, cleanest frequencies. The proven Teufel-DPU technology ensures the suppression of ny possible ambient noise in the reflex channel. For this purpose, there is an automatic switch-on and switch-off as well as extensive setting options and a protective circuit.

Included components

  • Satellite Speaker S 400 FCR
  • Dipole Speaker S 400 D
  • Dipole Speaker S 400 D (Right)
  • Subwoofer S 4000 SW
  • power cable
Download information as PDF

Technical Data

Satellite Speaker S 400 FCR
Satellite Speaker S 400 FCR
High-performance THX satellites with flat membrane technology for wide and uniform dispersion. 100 mm woofers and 25 mm tweeters reproduce a rich, full, and detailed sound equally well for movie soundtracks and music.
Satellite Speaker S 400 FCR
Speaker
Continuous power handling (IEC - Long Term) 100 Watt
Peak power capacity (IEC - Short Term) 130 Watt
Sensitivity (2.83 V / 1 m) 87 dB
Minimum amplifier output power recommended 20 Watt
Maximum sound pressure level 102 dB/1m
Impedance 4- 8 Ohm
Frequency range from/to 120 - 22000 Hz
Crossover frequency internal switch 2200 Hz
Crossover frequency to Woofer (recommended) 120 - 140 Hz
Miscellaneous Flachmembrane für weiten Abstrahlwinkel
Tweeter (number per enclosure) 1
Tweeter (diameter) 25.00 mm
Tweeter (material) Silk
Bass/Midrange driver (number per enclosure) 2
Bass/Midrange driver (diameter) 100.00 mm
Bass/Midrange driver (material) Cellulose, coated
Acoustic principle 2-Wege
Enclosure type Sealed
Enclosure material MDF
Enclosure surface Lacquer, matte + laminate
Removable front cover Yes
Net internal volume 3.80 Litres
Diameter of the stand screw threads 6.00 mm
Wall mounting brackets Yes
Magnetic shielding Yes
Terminal clamps Screws
Suitable for banana plug Yes
Maximum cable diameter 6.00 mm
Suitable for AV receiver Yes
Dimensions
Depth 13.50 cm
Width 29.00 cm
Height 19.00 cm
Weight 5.50 kg
Dipole Speaker S 400 D
Dipole Speaker S 400 D
THX dipole loudspeakers create authentic cinema sound with 2 midrange drivers (100 mm) and 2 tweeters (25 mm). Integrated keyhole brackets allow the speakers to be easily wall mounted.
Dipole Speaker S 400 D
Speaker
Continuous power handling (IEC - Long Term) 70 Watt
Peak power capacity (IEC - Short Term) 100 Watt
Sensitivity (2.83 V / 1 m) 86 dB
Minimum amplifier output power recommended 20 Watt
Maximum sound pressure level 100 dB/1m
Impedance 4 - 8 Ohm
Frequency range from/to 120 - 22000 Hz
Crossover frequency internal switch 3500 Hz
Crossover frequency to Woofer (recommended) 120 - 140 Hz
Tweeter (number per enclosure) 2
Tweeter (diameter) 25.00 mm
Tweeter (material) Silk
Bass/Midrange driver (number per enclosure) 2
Bass/Midrange driver (diameter) 100.00 mm
Bass/Midrange driver (material) Cellulose, coated
Acoustic principle 2-way
Enclosure type Sealed
Enclosure material MDF
Enclosure surface Lacquer, matte + laminate
Removable front cover Yes
Net internal volume 2.30 Litres
Keyhole plate mounted Yes
Screw hole diameter 6.00 mm
Magnetic shielding Yes
Terminal clamps Screws
Suitable for banana plug Yes
Maximum cable diameter 6.00 mm
Suitable for AV receiver Yes
Dimensions
Depth 17.00 cm
Width 15.00 cm
Height 23.00 cm
Weight 3.50 kg
Subwoofer S 4000 SW
Subwoofer S 4000 SW
A slender THX subwoofer with 3  X 130 mm woofers - each with an enormous 8 mm of excursion - produces ultra deep bass all the way down to 35 Hz.
Subwoofer S 4000 SW
Speaker
Maximum sound pressure level [dB/1m] 102
Frequency range from/to [Hz] 35 - 200 Hz
Woofer (number per enclosure) 3
Woofer (diameter) [mm] 130
Woofer (material) Cellulose, coated
Miscellaneous High excursion
Acoustic principle Bassreflex, DPU
Enclosure type Open
Enclosure material MDF
Enclosure surface Lacquer, matte + laminate
Equalisation openings 2
Equalisation openings (pos.) Front
Removable front cover Yes
Integrated stand Yes
Magnetic shielding Yes
Suitable for AV receiver Yes
Connections
Cinch input 1
Electronics
Lowest frequency (-3 dB) [Hz] 35
Input gain adjustment Yes
Frequency regulator (range) [Hz] High pass: 20 - 50 Hz
Level control Ja
Phase control Ja
Miscellaneous High Pass prevents droning bass in small rooms
Amplifier technology Class D
Amplifier configuration 1.0
Amplifier channels 1
Power output capacity impulse (peak) Bass [W] 200
Power output capacity sinus (RMS) Bass [W] 150
Miscellaneous DSP von Analog Devices
Power supply voltage [volts] 230 Volt
Standby-Function Yes
Standby-Power consumption [watt] .4
Maximum power consumption [watt] 250
Mains cable - IEC connector (non-heating device) Yes
Safety class 2
Storage for settings when disconnected Yes
Automatic on/off Yes
Dimensions
Depth [cm] 50
Width [cm] 24.5
Height [cm] 49.5
Weight [kg] 20.8

Accessories

Accessories and bundle packages are not currently available for this product.

Expert reviews

System 4 THX review of AUDIO VIDEO FOTO Bild
System 4 THX review of AUDIO VIDEO FOTO Bild
"[W]hoever thinks that 5.1 loudspeakers aren’t for music lovers hasn’t yet heard Teufel’s System 4 – an impressive test winner."
AUDIO VIDEO FOTO Bild 11-12|2014
"Seven loudspeakers were in our test. Teufel’s System 4 THX sounded truly heavenly: The set equipped with dipole speakers positioned itself at the top of the sound systems.”

"[W]hoever thinks that 5.1 loudspeakers aren’t for music lovers hasn’t yet heard Teufel’s System 4 – an impressive test winner.“

"A control dial on the back of the subwoofer should be set to 80 Hz for nearly faultless surround sound. At this setting, voices as well as the bass are precisely emitted from the centre position. The dipole surround loudspeakers [...] have a detailed sound in the mid and high range and come across naturally. The System 4 performs equally well with stereo sound – only markedly larger floorstanding loudspeakers play music more homogenously.“

AVF Bild test winner in a comparison test of 7 sound systems

Note: Good 1.95

 
www.computerbild.de/avf/
System 4 THX review of video
System 4 THX review of video System 4 THX review of video
"At the present time, THX doesn’t get any smaller or better.”
video 04|2014
"Teufel was one of the first speaker  companies to receive the exacting THX seal of approval. The Berliners have now even managed to create the smallest THX set in the world [...]”

"[T]hese loudspeakers [...] designed for living room use [should] lead to more acceptance for five speaker systems in living rooms. [The] three identical front speakers in the System 4 set have barely 7.5 liters of volume. [...] THX dipole transducers take care of the sound in the back of the room. [...] A 2-way driver arrangement radiates towards the front, another towards the back. All five speakers have so-called keyhole brackets for wall mounting [...] For power, a narrow, 50 centimeter high subwoofer comes into play. [...] "

Setting the tone for its price class

"In 2.1 mode, the sealed, broadly dispersed playback will win you over: No frequency range pushed its way to the fore. Voices were clearly rendered without overly emphasizing the “S” sounds. The 5.1 mode presents a similarly cohesive picture: Everything comes together. The homogeneity and tonality were first class in the front thanks to three identical speakers, the surround image was inconspicuous and effective thanks to the dipoles. This means: In the back, only the atmosphere for the given scene is produced – this is how it should be.”

Conclusion

"The System 4 plays masterfully for its size. The subwoofer nearly achieves the 30 Hertz mark and effortlessly renders action scenes. In addition, there is a nearly faultless tonality from the three identical front loudspeakers. A loudspeaker set for 1,000 Euros that allows one to enjoy a home cinema feeling in the living room and brings along its own hi-fi credentials. At the present time, THX doesn’t get any smaller or better.”


www.pc-magazin.de/video-magazin/
System 4 THX review of Area DVD
System 4 THX review of Area DVD
"Compact, sleek, with lively playback, level stability, and enormous dimensionality that is even well suited to 2.1 use."
Area DVD 10|2013
TEST: Teufel’s System 4 with THX Compact Speaker System Certification

"THX and Teufel are two names that go together, and for a long time now. [...] The latest incarnation of the System 4 THX [...] is the world’s first loudspeaker system with THX Compact Speaker System certification. Teufel primarily designed [...] the System 4 for use in smaller to mid-size rooms. [...] Tonal balance over the entire transmission range and two dipole speakers typically used by Teufel for surround sound in its home cinema systems are additional features.“

"100 watts continuous power handling capacity and 130 watts of transient maximum power handling capacity for such small loudspeakers speaks for itself. […] The compact THX loudspeakers […] create a maximum sound pressure level of 102dB/1m – pretty impressive.“
 
"The S 4000 SW active subwoofer is equipped with three 130 mm bass drivers made from coated cellulose designed according to the principle of a large combined membrane surface area for an advantage shared by each of the three 130 mm drivers: The small bass chassis are fast and thereby capable of a sound reproduction with a high degree of impulse fidelity with even smaller bass effects. Frequencies from 35 to 200 Hz are reproduced […] To prevent any disturbance from wind noise, the S 4000 SW uses Teufel’s proprietary DPU reflex technology for the cleanest possible bass sound and the effective prevention of wind noise.

Conclusion


"Under new management, Teufel has been returning to its roots and thereby to its old strengths – at least this has been our impression. […] Those newly in charge of Teufel  have brought accolades to themselves with the System 4. It doesn’t matter that the product responsible for this truly great deed isn’t an expensive show model, but rather a loudspeaker constructed with razor sharp precision for the needs of modern home cinema fans: Compact, sleek, with lively playback, level stability, and enormous dimensionality that is even well suited to 2.1 use. [...]“
Lesen Sie den ganzen Test bei areadvd.de
System 4 THX review of audiovision
System 4 THX review of audiovision System 4 THX review of audiovision
"It is seldom the case that a compact 5.1 set is able to imitate the sound of larger loudspeakers as well as Teufel’s new System 4 THX Compact."
audiovision 09|2013
“For many years now, compact sub/sat systems have been all the rage. If they carry the THX logo like the [...] Teufel System 7 THX Select 2 or the System 5 THX Select 2, one can even expect a high level of dynamism and rich bass. The new System 4 THX Compact from the Berlin direct sales company is even smaller. It therefore carries the THX Compact certification, has an attractive look, and still manages to sound incredibly good.“

"The THX Compact Speaker System certification introduced in 2012 sets the bar somewhat lower demanding 105 decibels of sound pressure in small rooms up to  [...] approximately 12 square meters. These guidelines are met by the word’s first THX certified Compact Speaker System from Teufel making it especially suitable for apartments with thinner or walls or less space. The use of three identically constructed front speakers proved its practical value by producing a very homogenous sound. The flat bass/midrange drivers and tweeter form a compact triangle on the S 400 FCR speakers’  22 centimetre wide baffle allowing for a very broad dispersion.”

“With a depth of just 13 centimetres, the front satellites lie flat against the wall for a very inconspicuous look. Teufel freshened up a standard square design with slanted white sides and red decorative trim. [...]  The same design complements the S 400 D dipoles with anti-phase tweeters and the S 4000 SW subwoofer in this 5.1 set. A 200 watt amplifier powers a compact 15 mm high excursion bass driver allowing for an enclosure width of just 24 centimetres.”

"Along with their broad dispersion, the front satellites score points with a very balanced frequency response. In spite of just four litres of enclosure volume, they  [...] only start going flat under 140 Hz. The even more compactly built dipoles don’t offer the same wide dispersion angle and display a certain bathtub characteristic in frequency response, but they still manage to hold their own all the way down to the bass frequencies. [...] Level matching with pink noise underscores the pleasantly rounded-out and warm character of the front satellites that, even when placed in a free-standing arrangement, emit a tone that’s more consistent with a much larger loudspeaker set. The Teufel ensemble delivered an excellent performance of the animated movie ‘Werner – Volles Rooäää’ (German): The dialogue from left to right as well as in every seated listening position was very clear, understandable, and accompanied by a full background sound. The precision and reproduction of moving sounds was surprising as were the steady levels, even at high volumes.  [...] The Dolby HD title ‚’They Can’t Take That Away From Me’ with Jane Monheit revealed other qualities, such as subtle nuances and timbres as well as consistently relaxed and refined listening enjoyment.”

"Musicality and balance are the true strengths of the compact THX set from Teufel. Even long listening sessions don’t reveal any flaws that could disturb the fine impulse fidelity of the soundstage. The combination of subwoofer and mini satellites skilfully masters even the rich sound of Toscho Todorovics ‘Blues Company.’”

Conclusion
"It is seldom the case that a compact 5.1 set is able to imitate the sound of larger loudspeakers as well as Teufel’s new System 4 THX Compact. The fullness of the sound, balanced tone and homogenous surround sound were consistently impressive. In spite of a slightly limited low bass, the set is a real highlight.”

www.audiovision.de
How our customers rated this product:
(5 of 5 from 5 Reviews)
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Rainer D. / 2018-01-08
System 4 THXAs often written, the speakers came within a few days. I quickly unpacked and connected, only to be left amazed, mouth open. The bass is so low and the higher tones are crystal clear. Listening to music and watching...More
Carsten F. / 2017-12-22
System 4 THXI can only say that the speaker set is absolutely amazing! Processing, sound and appearance are unbeatable at this price! The speakers reproduce everything from the finest high-tones to the deepest basses with...More
Bernd O. / 2017-11-24
Send it back? No way, it's great!I was thinking about it for a long time and couldn't decide whether or not to get a floor-standing speaker. I ultimately decided on the THX system because of the small floor space in our living room. After I replaced...More
Gert V. / 2017-11-15
Big sound, small size = perfect!For more than 15 years I owned Teufel's smallest 5.1 set. Now I think we can do better. The boss's "wish" was: nothing bigger than what we already have. The first test run is behind you. The sound is awesome. Now...More
Jens W. / 2017-09-10
Simply fantastic!"I received the System 4 after a super speedy delivery. I am using the system with a Pioneer SC-1224. After successfully setting it up, I tested the System 4 out with different BluRays and audio CDs and I must say...More

    Downloads & support

    Help regarding this product
    Do I also have a 6.1/7.1 playback for a 5.1 recording?
    Usually, all 6.1/7.1 AV Receivers can generate a 6.1/7.1 playback from a 5.1 recording. The procedure is comparable with the Dolby Pro Logic Decoder, which generates a matrix circuit from the stereo signal of a centre channel.

    The AV Receivers thus generate a rear centre channel from the rear R/L channels of a 5.1 recording through the matrix circuit. The stronger the rear R/L effects on the DVD, the stronger the signal from the rear centre.
    Can I connect the LT 4 directly to a DVD player or PC?
    No.

    The LT 4 is a partially active system that requires AV receiver operation. It has a built-in amplifier that only supplies bass tones in the subwoofer housing That is why an "AV Receiver", i.e. a combination of radio receiver and multichannel amplifier, is essential for using the LT 4.

    The subwoofer is connected from the Line In R input to the AV receiver's sub out jack using a mono RCA cable, while the three front satellites are connected to the three speaker outputs of the AV Receiver using the speaker cable and are supplied with power from there.

    Connect signal-emitting source appliances such as DVD player or PC etc. directly to the corresponding input jacks on the AV Receiver.
    When would it be worth upgrading my 5.1 system to 6.1/7.1 sound?
    Naturally 5.1 channel systems that play back all of the sound tracks contained on the DVDs already offer an excellent home cinema experience.

    For the new 6.1 or 7.1 sound formats, a rear centre channel is controlled in addition to these channels. This channel, coded in the stereo effect channels, enables the better positioning of effects and music signals directly behind where you are sitting.

    If using two speakers for the rear centre channel, the optimal seating position is not tailored to an individually specified position, i.e. you don't have to be seated in the exact centre.

    In the following cases we would recommend upgrading to a 6.1 or 7.1 system:

    • Your sitting position is not always dead centre, or you often have several viewers

    • You have had a 5.1 system for a very long time and would like an improvement

    • Your AV amplifier/receiver is designed as a 6.1 or 7.1 receiver and offers the corresponding connection possibilities

    • You can also set up one and/or two rear centres. If you are currently building/renovating your house or flat, we would recommend you lay the cables for the additional rear centre channels in any case.

    • Modern BluRay players usually issue a true 7.1 surround sound signal at all digital outputs and are thus optimally suitable - presuming the relevant AV Receiver - as a signal transmitter for a 7.1 channel home cinema system.
    How do I upgrade my system to a 6.1 or 7.1 sound format?
    The choice of speaker(s) depends on the AV Receiver/amplifier. This has an additional power amplifier for one rear centre (6.1) or its two (7.1). You can easily see this by the wattage (e.g. 6 x 100 watt or 7 x 100 watt). To the existing (side) rear speakers for right/left (5.1 technology), one or two additional rear centres are utilised in addition (6.1 or 7.1 technology).

    • My AV amplifier/receiver has six connections/power amplifiers (6.1):

    In this case we recommend connecting the same centre at the rear that you also used in the front area.

    • My AV amplifier/receiver has 7 connections/power amplifiers (7.1):

    If you already use dipoles or direct emitters for your 5.1 system, then you have a choice of either supplementing two more dipoles or two direct emitters. For wall assembly and a short distance from the seating location to the rear wall (less than 1.00 metres), we would recommend dipoles. As soon as you want to set up the speakers on bases or on a shelf, then direct emitters would be the better choice.

    Information:
    Even if the AV Receiver/amplifier only has the connection and power amplifier performance for one rear centre, it is still possible to connect two instead of just one speaker through series connection.

    Exception:
    • The AV amplifier/receiver has seven connections/power amplifiers, but I can only set up one rear centre. As the 7.1 AV amplifiers/receiver also offer the option of operating just one of the two outputs (usually can be set in the speaker set-up!), you can also only connect just one rear centre.

    Here we recommend connecting the same centre to the rear that you also used in the front area. For short distances to the listening location (less than 1.00 metres), a dipole would be the better choice - especially if you are also using dipoles at the sides.
    Is it a problem if the speakers are at different distances to where you are sitting?
    Since the distance and volume of every individual speaker can be adjusted for the digital home cinema receivers, asymmetrical set-ups can be easily compensated. You will find further information in our online multimedia instructions.
    How do I equalise my home cinema system with the help of a sound level meter?
    Take the level meter with you to the listening position and point the measuring device directly towards the front centre speaker. Now start the sound generator of the receiver (or of the sound card or DVD player) and equalise all speakers in succession to the same level.

    The position and alignment of the measuring device should not be changed during this procedure. For a Teufel sound level meter, proceed as detailed in the following:

    1. Remove the protective tab from the battery.

    2. Set the weighting to "A" - only the "A" position considers the full frequency range during measuring!

    3. Set the response to Slow.

    4. Set the Range to 70.

    5. Start the test noise from your AV device.

    6. Change the volume for every individual channel at the AV device so that the level meter shows 75 dB (meaning between +4 and +6).

    7. Done!
    What is the difference between the 5.1 and 7.1 configuration?
    Compared with the 5.1 set, the 7.1 set has two extra speakers for the back rear centre channel.

    The 5.1 channel set plays back all sound tracks on DVDs/Blu-rays and creates an excellent home cinema experience.

    With the 7.1 sound format, a rear centre channel is also generated in addition to these channels and distributed to two further speakers (the "rear centre"). This channel, which is encoded in the stereo effects channels, allows better location of effects and music signals directly behind the sitting position.

    If you use two speakers for the rear centre channel (i.e. installed 7.1 set), the optimum sitting position is not restricted to one specific place, so you don't have to be sitting exactly in the middle and several listeners can enjoy the best sound.
    Where is the optimal place for the centre of my Lautsprecher Teufel Surround System in a 5.1/6.1/7.1 configuration?
    Because the centre plays back spoken dialogue, this speaker must be positioned as centrally as possible under or over the TV/monitor or the screen.

    If the centre is placed outside the area of 40 centimetres to 1.20 meter height, it should be slightly inclined or angled towards the listener.


    Do I also need a THX DVD player for the THX speakers?
    No.

    The THX requirements mostly play an important role for speakers and AV devices. This necessitates precise requirements for performance, cut-off frequency and co-ordination of the system here.

    Similar standardisations for DVD players are not essential.
    Do I need a THX amplifier for the THX speakers?
    Not necessarily!

    The receiver/amplifier must have bass management where the frequencies are distributed for the THX front/centre speakers and the THX subwoofer (cut-off frequency 80 Hz).

    Also, the amplifier should exhibit a minimum rating of 100 watt per channel and match the speakers for performance (amplifier sine wave output = approx. long-term load of speaker).
    Are THX speakers suitable for listening to music?
    Of course.

    Since THX speakers are optimised to play back multi-channel signals (4 or 5.1 channels), the front speakers permit the precisely staggered and very true to detail spatial playback, while the surround speakers ensure realistic room characteristics.

    Both are also ideal requirements for playing back music.
    Is THX compatible with Dolby Digital and DTS?
    Absolutely!

    The objective of THX home cinema systems is to play back film soundtracks with as much authenticity and quality as the original mix from the sound studio.

    In all studios used for film dubbing, the soundtracks are mixed in a 4-channel version (Dolby Surround) and in a 5.1 channel version. The acoustics, equalizer settings and speaker configurations are absolutely identical.

    THX systems are thus always able to play back soundtracks produced in this way absolutely true to the original. Because of the high technical and tonal requirements, the THX standard can be compared with the TÜV (German Technical Control Board) for cinema sound.

    As opposed to the THX quality standard, DTS and Dolby Digital are procedures for compressing sound data.
    Can I operate the THX speakers without covers?
    In principle yes - but we wouldn't recommend it.

    According to the THX requirement profile, the speakers were designed in such a way that they achieve a linear frequency response and thus their optimal playback quality if they are used WITH covers.

    Playback WITHOUT covers can cause an imbalanced frequency response with amplified high tone playback, which is why we advise against this type of operating mode.
    What is so special about a THX System?
    THX systems are the ultimate home cinema components.

    All THX-licensed devices and speakers must demonstrate certain technical properties so that they can play back movie soundtracks produced for cinemas and correspondingly powerful cinema sound systems absolutely true to the original for home cinemas as well. This is only possible up to a certain point with conventional hi-fi systems.

    The most important requirements for excellent home cinema sound are:

    • That despite the considerable size difference between cinemas and home cinemas, the movie soundtrack can be played back in comparably smaller rooms with the correct tonal balance and three-dimensionality.

    • That all sound channels are played back very precisely despite the complexity of a multi-channel soundtrack to be able to precisely locate and allocate all noises and voices.

    • That the subwoofer is perfectly coupled to the main speakers.

    • That the front speakers are (by sound) identical - indispensable for harmonious sound playback.

    THX systems satisfy these requirements perfectly, as they consider all running processes concerning playback while the movie soundtrack is being mixed.
    Which components belong to a THX system?
    To perfectly play back movie soundtracks in the home cinema, the use of three THX-licensed products is indispensable:

    • THX control unit with the multi-channel decoder and the requisite electronic components for Re-Equalization™, Timbre Matching™ and Decorrelation™ which ensure that the movie sound is optimally played back in the home cinema.

    • THX speakers - three identical front speakers (left, centre, right) provide a clear, clean, comprehensible, perfectly traceable and homogeneous playback of all voices and noises as well as the music.

    The left and right surround speakers guarantee a realistic spatial sound experience, and the subwoofer complements the performance of these five speakers with a dynamic, far-reaching deep down bass.

    • THX amplifiers must comply with specific requirements regarding low distortion, freedom from noise, stability, dynamics and output performance.

    Further THX-licensed products are the THX room equalizer, sound permeable screens, DVD players and connection cables.
    What are my advantages with THX for Dolby Pro Logic and 5.1 soundtracks?
    • Your home cinema system will sound more homogeneous and more natural. If played using a conventional hi-fi system, many films will sound unnaturally harsh and bright.

    • The voices of the actors can always be heard even during louder action scenes. For 5.1 channel mixes, it is possible to hear different signals on up to five main channels including powerful effects. This can overlap some of the more quietly spoken dialogue during loud sound effects.

    With THX systems, however, the voices are always clearly audible even under such difficult conditions.

    • You are wrapped in a tapestry of sound, so to speak. The front and surround sound fields merge and literally transfer you into the film story.

    • Individual tones can be much better located. Noises and voices precisely follow along the story on the screen.

    • You hear the full dynamics and frequency range of the soundtracks without distortions or other disruptions.

    • The home cinema system also plays back both bottom bass octaves very cleanly and precisely.
    How do I upgrade my THX system to a 7.1 sound format?
    For the THX 7.1 amplifiers/receivers it is always possible to connect two rear centres. We would therefore recommend using four rear speakers. Thanks to the sophisticated development of our rear speakers, our models are very flexible for every area of use. The M 500 D, M 550 D, M 620 D and M 700 D have a monopole/dipole switch, and the models M 800 D, M 950 D and M 1000 D have a switch for monopole, dipole and bipole.

    One must differentiate as follows:

    • You have a THX Select/Ultra 2 device and would like to connect two rear centres:

    If you already use dipoles or direct emitters for your 5.1 system, then you have a choice of either supplementing two more dipoles as rear centre, or two direct emitters as rear centre.

    For wall assembly and/or short distance from where you are sitting to the rear wall (less than 1.00 metres), we would recommend dipoles to be operated in dipole mode.

    As soon as you want to set up the speakers on bases or on a shelf, we would recommend direct emitters.

    • You have a THX Select/Ultra 2 device and would like to connect one rear centre:

    If you are already using the M 700 D/M 800 D, M 950 D or M 1000 D for 5.1 playback, you should use another M 700 D, M 800 D, M 950 D or M 1000 D in monopole mode, front side directed in the room, or in dipole mode (radiating towards the left / right).

    As soon as you are using direct emitters for your 5.1 system, we would recommend upgrading with the same type of direct emitters.

    • You have a THX Ultra 2 device and would like to connect two rear centres:

    A switch developed especially for THX Ultra 2 devices lets you use two more direct emitters in addition to the dipoles used as rear effect speakers (M 500 FCR THX Select, M 550 FCR THX Select, M 620 FCR THX Select, M 800 FCR THX Ultra 2, M 950 FCR THX Ultra 2 or M 1000 FCR THX Ultra 2), or two more dipoles (M 550 D, M 620 D, M 700 D, M 800 D, M 950 D or M 1000 D) in monopole mode radiating to the left / right.
    My subwoofer is humming. What can I do?
    This hum can be caused by the connected devices or disruptions in your electricity current. Please do a test to see which it is.

    1. Remove the RCA cable from the input on the subwoofer. If the hum is no longer heard, go to point B. Otherwise, follow point A.

    A. Attach the net cable of the subwoofer to another electricity outlet (i.e. Kitchen/Bathroom/Bedroom). If the subwoofer still hums, get in contact with our Support team.

    Should the hum no longer be there, the disruption was a problem in your power supply, which can, for instance, be caused by dimmers or chargers. To find out where the disruption is, unplug all your devices and work back from there. As soon as the hum is heard, you now know your source of the disruption.

    B. In your case, the "ground hum" is responsible for the disruption. Please proceed as follows to discover your source.

    • Disconnect the cable or satellite port from the TV Receiver and check if the hum disappears or not. If it does, you can use a sheath current filter for the cable outlet to prevent this. For example, the sheath current filter AC 9022 ED. If you have a satellite connection, connect the Satellite Receiver to the optical cable playback source - Teufel Optical Digital Cable

    • If this reason can be excluded, separate all devices from the AV Receiver one at a time until the hum stops. The last connected device is then your hum source and should be separated from the others using a galvanic separation filter (found in a retail shop)

    • If this doesn't work, get in contact with us once again so that we can give an individual, helpful response.
    Will an active subwoofer only run in 5.1 mode or also in stereo mode?
    Thanks to the speaker set-up/bass management integrated in the home cinema receivers/amplifiers, the subwoofer functions in stereo, Dolby Surround and digital mode.

    The corresponding setting in the speaker set-up must be adjusted individually for each source for many receivers, however, e.g. for CD playback only front without woofer, and front speakers plus woofer for Dolby Surround video playback.
    How many watts does an active subwoofer consume?
    That differs greatly from product to product.

    The smaller Teufel subwoofer models consume approx. 7 watt, if only the mains voltage is applied, and approx. 1-2 watt in standby. During operation, the performance depends on the volume and the signal.
    Why doesn't my active subwoofer switch on automatically?
    Some AV Receivers/amplifiers issue the bass signals via the subwoofer pre-amplifier output so quietly that the subwoofer does not start automatically.

    To make sure the subwoofer switches on and off correctly in automatic mode, (to be selected on the corresponding switch of the subwoofer, such as "Auto / On / Off"), we recommend turning the level control on the subwoofer to 1/3 or perhaps to 1/2 and increasing the output level for the sub in the receiver's speaker set-up – sometimes up to the maximum (+10 dB or +12 dB). The subwoofer should then work perfectly.

    The maximum position of the output level in the speaker set-up of the AV Receiver is obligatory for some of our models (e.g. the Concept S subwoofer).
    What are the advantages of an active subwoofer for me?
    1. You take the load off of your amplifier/receiver and thus receive more dynamics.

    2. The active subwoofer makes it possible to set the volume separately from the remaining speakers.

    3. Only an active subwoofer can be connected directly to the subwoofer connection of a home cinema receiver.
    How do I connect my fully active Teufel system to an AV Receiver?
    Although designed to be fully active, the Teufel set is also partially active in conjunction with an AV Receiver.

    You can connect it like a standard speaker system: the five satellites via speaker cable to the corresponding speaker outputs front R/L, rear R/L and centre of the AV Receiver/amplifier and the subwoofer from the front R input via a mono-RCA cable to the Sub Out output on the A/V Receiver/amplifier.

    Please note:
    The auto on/standby switch only responds when the front R input is being used! The subwoofer also receives the full subwoofer signal via this channel.

    If the AV Receiver/amplifier has preamplifier outputs for all channels (front R/L, rear R/L, centre and subwoofer), the Teufel set can also be connected via three RCA cable pairs to the subwoofer and the satellites via speaker cables to the subwoofer. However, we recommend using the first version.
    What is a ground hum?
    The hum (50 Hz) comes from the 220 volt supply network and is caused by current power flows through the protective conductor. These so-called "ground hums" is caused when you connect two devices that are already grounded on the protective conductor (subwoofer) or the antennae cable (AV Receiver) to the subwoofer cable.

    Solution:
    Separate the direct connection by a grounding filter for the antennae cable that is created for it - for instance, the Teufel modell sheath current filter AC 9022 ED. Alternatively, you can use a galvanic separation filter that is looped into the connection between the subwoofer and AV Receiver.

    The hum disappears if the antennae cable is separated from the Receiver/Tuner/TV. First try the grounding filter, otherwise the galvanic separation filter.
    Where is the optimal place for the subwoofer of my Lautsprecher Teufel Surround System in a 5.1/6.1/7.1 configuration?
    The location of a subwoofer with a recommended cut-off frequency of under/equal to 120 Hz can be freely selected and does not affect the other speakers.

    Placement within the straight line between both front satellites is ideal - but not precisely in the corner of the room because certain frequency components could be unpleasantly excessive when played back.
    How do I determine the right phase setting of the subwoofer?
    By setting the phase, you can affect the point at which the membrane of the subwoofer bass speaker moves to the front. This setting makes it possible to optimally adjust the subwoofer to the satellites.

    The membranes of the satellites should move to the front at the same time as the membrane of the subwoofer bass speaker, because all speakers of the system must vibrate in phase for optimal playback. This means that (provided the connection has the correct polarity) all drivers must move in one direction when the three front speakers receive a pulse (towards the outside or towards the inside).

    If the subwoofer is in line with the front speakers, its bass speaker should have the same direction of movement (phase) - the controller on the woofer is set to "0". If the subwoofer is not between the front speakers, but is to the side of or even behind the listening location, its phase length will not match that of the front speakers. That is why the phase of the subwoofer must be changed in such cases.

    So much for the theory. In practice, this means: Listen to a loud piece of music with heavy basses and ask a second person to change the phase during playback. The correct setting of the phase switch depends on where the subwoofer is positioned in the room. The position where the bass playback (above all the upper bass range) sounds the fullest is the correct position. Have fun trying it out!

    Related products

    * Offer valid until 22.08.2018 23:59. The voucher is valid for BAMSTER, BAMSTER PRO, BAMSTER XS, BOOMSTER, CAGE, Cinebar 11, Cinebar 52 THX, Cinebar Duett, Cinebar One, Cinebar Trios, Cinebase, Cinesystem Trios, Columa 300, Concept C, Concept CL 300 PC, Concept E, Consono 25, Consono 35, Cubycon, Definion 3, iTeufel Move, Kombo 22, Kombo 42 BT, Kombo 500, Kombo 62, Kopfhörer Aureol Real Black Edition, LT 4, LT 5 für Dolby Atmos "5.1.4 -Set", MOVE BT, MOVE PRO, MusicStation, Radio 3sixty, Raumfeld Connector, Raumfeld Sounddeck, REAL BLUE, REAL BLUE NC, REAL PURE, System 4 Impaq, System 4 THX, System 6, System 8 THX Ultra 2 "5.1-Set Cinema", Teufel AIRY, Teufel MASSIVE, Teufel Move, Teufel One M, Teufel One S, Teufel Soundbar Streaming, Teufel Sounddeck Streaming, Teufel Stereo, Theater 500, TURN, Ultima 20, Ultima 40, Varion. The voucher is only intended for the use of private customers. The voucher cannot be redeemed for cash, nor can it be used in combination with other vouchers. It cannot be used for orders that have already been placed. The resale of a voucher is prohibited and it will lose its value in the case of being resold. You can learn more about the terms and conditions in the General Business Conditions.
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