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  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"
  • Theater 500 "5.1-Set Cinema"

Theater 500 "5.1-Set Cinema"

No compromises: Music and home cinema with the best possible sound.
Home cinema speaker set with HiFi stand speakers for your music
(18)
Theater 500 Surround "5.1-Set"
Order the new generation now.
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  • Up to 12 year guarantee
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Highlights

Home Cinema Theater 500 "5.1-Set Cinema"
Only limited amounts available!
Key advantages at a glance
  • Home cinema speaker set with HiFi stand speakers for your music
  • 1 center with rear setback tweeter for optimised runtime
  • 2 directional dipoles for the rear area
  • 250 watt subwoofer with a 300 mm woofer
  • Works with every AV receiver
  • Recommended for rooms up to 50 sqm
What others are saying about us
(4.89 of 5 from 18 Reviews)
All ratings

For music lovers who adore cinema
And for film fans who also happen to be audiophiles, the Theater 500 is the ideal sound system. In its new and improved form with an optimized centre and better alignment between the individual compenents, the Theater 500 is truly the master of both domains. The exciting sound from this surround set delivers pure enthusiasm from every source.

The missing link between home cinema and stereo
The latest incarnation of the Theater 500 was improved over its already amazing predecessor: vented tweeters, a broader dispersion, optimized waveguides, and improved group delay correction – all newly packaged in an attractive design with a matte black baffle, gunmetal lacquer, individual driver covers, and black sapelli enclosure.

Award-winning tower speakers
The cornerstone of the set is the T 500 Mk2, Teufel's high-end floor standing stereo speakers. Many sophisticated new technologies contribute to the Theater 500 Mk2’s incredible sonic abilities: tweeters that are recessed according to Teufel’s adjusted group delay technology, specially constructed  enclosure curvatures for an even dispersion, Klippel optimized drivers and a meticulously fine-tuned bass reflex enclosure. All of this technology works towards the same goal: an even better, more transparent sound.  

The new centre
The new and improved Theater 500 employs a completely redesigned centre speaker.

The new centre at a glance:

• Two midrange drivers (the previous centre had one) for enhaned bass performance
• New extreme long-throw drivers for reduced distortion and higher levels
• New recessed tweeter placed between the midrange drivers reduces group delay for a more coherent sound image

The dipoles
In addition, the acoustic qualities of the dipole loudspeakers T 130 D were better aligned with the new centre for a highly realistic surround soundstage.

Each T 130 D really represents two loudspeakers in one. Each side of the T 130 D has a phase-shifted tweeter and a midbass driver. This dipole design creates a diffuse and broad surround sound and is the decisive factor behind any thrilling and emotionally engaging home cinema atmosphere. Only Teufel offers this sophisticated and extremely effective technology in this price class.

The subwoofer
The great depths reached by the subwoofer are well defined and precise – a special characteristic of the T 2300. The large membrane surface area (33 mm!) together with the tuned reflex enclosure and neodymium magnets drive performance down to an amazing 28 Hz. Maximum levels of 107 dB in rooms up to 50 m² with a punchy and extremely dynamic bass is not a problem for this subwoofer.

The Theater 500 can meet any acoustic challenge you throw at it. Whether you want to play piano sonatas, jazz, electronic music, or rock, everything will sound like it was meant to be played on this system.

Included components

  • Centre Speaker T 210 C
  • Subwoofer T 2000 SW
  • Floor Speaker T 500
  • Dipole Speaker T 110 D
  • Dipole Speaker T 110 D

Specifications

Subwoofer T 2000 SW
Subwoofer T 2000 SW
With it’s Klippel-optimised 330 mm woofer, a weight of 25 kilos, a 65 liter volume and a 250 watt amplifier with Class D technology, the T 2000 SW amazes with enormous power, pressure and deeply rich bass playbackt o 28 Hz. This Teufel subwoofer can fully satisfy rooms up to 50 – without any distortion, even at high volumes. It even reaches a maximum sound pressure of 107 dB!

And just because you might not want this baby to sit in the corner, the woofer is magnetically shielded, which enables it a comfy spot by the TV.
Subwoofer T 2000 SW
Speaker
Maximum sound pressure level 107 dB/1m
Woofer (number per enclosure) 1
Woofer (diameter) 330.00 mm
Woofer (material) Cellulose, coated
Miscellaneous Klippel-optimized woofers
Enclosure type Bass reflex
Enclosure material MDF 21mm
Enclosure surface High gloss (front), foil (corpus)
Equalisation openings 2
Equalisation openings (pos.) Bottom
Removable front cover Yes
Net internal volume 68 Litres
Magnetic shielding Yes
Electronics
Lowest frequency (-3 dB) 28 Hz
Frequency regulator (range) 40 - 240 Hz
Full Range/Low Pass switch Yes
Level control Yes
Phase control Adjustable
Amplifier technology Digital
Amplifier channels 1
Power output capacity impulse (peak) Bass 260 W
Power output capacity sinus (RMS) Bass 250 W
Standby-Function Yes
Dimensions
Depth 48.50 cm
Width 38.00 cm
Height 60.00 cm
Weight 24.30 kg
Dipole Speaker T 110 D
Dipole Speaker T 110 D
The T 110 D is a double speaker, in a way. Two tweeters and two mid- low range drivers are in the two Dipole speakers for the two back channels.

For extra sound effects and to be as realistic as possible these surround speakers create the perfect room atmosphere, not just blasting one way but from both the front and back. This sound picture is diffuse and no exact location can be located thanks to the additional reflections from the walls and ceiling. This is how you achieve an exremely atmospheric sound.

The back of the radiant two-way speaker can be switched off, and then you have two extra front T 110 F speakers. This setting is avisible if the rear speakers are not going to be placed exactly on the wall but will be in the room itself and/or on a stand. This is how the T 110 D is flexible for every sitting room situation.
Dipole Speaker T 110 D
Speaker
Continuous power handling (IEC - Long Term) 90 Watt
Peak power capacity (IEC - Short Term) 140 Watt
Sensitivity (2.83 V / 1 m) 90 dB
Minimum amplifier output power recommended 100 Watt
Impedance 4 Ohm
Frequency range from/to 100 - 20000 Hz
Phase switch Dipole/Monopole Yes
Tweeter (number per enclosure) 2
Tweeter (diameter) 25.00 mm
Tweeter (material) Fabric
Woofer (number per enclosure) 2
Woofer (diameter) 130.00 mm
Woofer (material) Cellulose, coated
Acoustic principle 2-way
Enclosure type Closed
Enclosure material MDF 15mm
Enclosure surface High gloss (front & back), foil (corpus)
Removable front cover Yes
Net internal volume 6 Litres
Wall mounting brackets Yes
Magnetic shielding Yes
Terminal clamps Screw terminals
Suitable for banana plug Yes
Maximum cable diameter 4.00 mm
Dimensions
Depth 21.40 cm
Width 16.30 cm
Height 26.00 cm
Weight 5.10 kg
Dipole Speaker T 110 D
Dipole Speaker T 110 D
The T 110 D is a double speaker, in a way. Two tweeters and two mid- low range drivers are in the two Dipole speakers for the two back channels.

For extra sound effects and to be as realistic as possible these surround speakers create the perfect room atmosphere, not just blasting one way but from both the front and back. This sound picture is diffuse and no exact location can be located thanks to the additional reflections from the walls and ceiling. This is how you achieve an exremely atmospheric sound.

The back of the radiant two-way speaker can be switched off, and then you have two extra front T 110 F speakers. This setting is avisible if the rear speakers are not going to be placed exactly on the wall but will be in the room itself and/or on a stand. This is how the T 110 D is flexible for every sitting room situation.
Dipole Speaker T 110 D
Speaker
Continuous power handling (IEC - Long Term) 90 Watt
Peak power capacity (IEC - Short Term) 140 Watt
Sensitivity (2.83 V / 1 m) 90 dB
Minimum amplifier output power recommended 100 Watt
Impedance 4 Ohm
Frequency range from/to 100 - 20000 Hz
Phase switch Dipole/Monopole Yes
Tweeter (number per enclosure) 2
Tweeter (diameter) 25.00 mm
Tweeter (material) Fabric
Woofer (number per enclosure) 2
Woofer (diameter) 130.00 mm
Woofer (material) Cellulose, coated
Acoustic principle 2-way
Enclosure type Closed
Enclosure material MDF 15mm
Enclosure surface High gloss (front & back), foil (corpus)
Removable front cover Yes
Net internal volume 6 Litres
Wall mounting brackets Yes
Magnetic shielding Yes
Terminal clamps Screw terminals
Suitable for banana plug Yes
Maximum cable diameter 10.00 mm
Dimensions
Depth 21.40 cm
Width 16.30 cm
Height 26.00 cm
Weight 5.10 kg
Floor Speaker T 500
Floor Speaker T 500
Hi-fi floor-standing speakers with truly transparent playback and sensational bass. A 3-way construction with 2 x 170 mm woofers and a 170 mm midrange driver ensures a balanced sound across the entire frequency range. Includes a 220 watt power capacity and optimized tweeter with waveguide.
Floor Speaker T 500
Speaker
Acoustic principle 3-Way-System
Enclosure type Bass reflex
Continuous power handling (IEC - Long Term) 170 Watt
Peak power capacity (IEC - Short Term) 220 Watt
Sensitivity (2.83 V / 1 m) 87 dB
Minimum amplifier output power recommended 50 Watt
Impedance 4 - 8 Ohm
Frequency range from/to 44 - 20000 Hz
Crossover frequency internal switch 300 / 2500 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 28.00 mm
Tweeter (material) Fabric
Midrange driver (number per enclosure) 1
Midrange driver (diameter) 170.00 mm
Midrange driver (material) Cellulose-sandwich cone
Woofer (number per enclosure) 2
Woofer (diameter) 170.00 mm
Woofer (material) Kevlar coated
Miscellaneous Waveguide tweeter, Long throw bass driver, phase shift compensation
Enclosure material MDF 18 mm
Enclosure surface Foil
Equalisation openings 1
Equalisation openings (pos.) Bottom
Removable front cover Yes
Net internal volume 37 Litres
Integrated stand Yes
Magnetic shielding Yes
Miscellaneous Stand: fixed,
Front cover material: MDF frame + fabric
Terminal clamps Screw terminals
Suitable for banana plug Yes
Bi-Amping/Bi-Wiring Yes
Maximum cable diameter 6.00 mm
Dimensions
Depth 32.50 cm
Width 19.50 cm
Height 105.00 cm
Weight 26 kg
Centre Speaker T 210 C
Centre Speaker T 210 C
Immediately striking: the T 210 C centre delivered tweeters. Through this construction of above everything else, a practical landscape speaker – gives a fabulous design hat-trick for the two front speakers. These identical drivers‘ assembly and positioning on the T 210 F front speakers and the T 210 C centre guarantee an absolutely homogenous interplay.

The free-standing and absolutely uninterrupted tweeter provides excellent spatiality and language comprehension. The T 210 C therefore sounds extremely good.
Centre Speaker T 210 C
Speaker
Continuous power handling (IEC - Long Term) 80 Watt
Peak power capacity (IEC - Short Term) 140 Watt
Sensitivity (2.83 V / 1 m) 88 dB
Minimum amplifier output power recommended 50 Watt
Impedance 4 Ohm
Frequency range from/to 65 - 20000 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 25.00 mm
Tweeter (material) Fabric
Woofer (number per enclosure) 1
Woofer (diameter) 170.00 mm
Woofer (material) Cellulose, coated
Miscellaneous Freistehender Hochtöner
Acoustic principle 2-way
Enclosure type Closed
Enclosure material MDF 15mm
Enclosure surface High gloss (front), foil (corpus)
Removable front cover Yes
Net internal volume 15 Litres
Magnetic shielding Yes
Terminal clamps Screw Terminals
Suitable for banana plug Yes
Maximum cable diameter 10.00 mm
Dimensions
Depth 26.50 cm
Width 44.00 cm
Height 25.00 cm
Weight 6.80 kg

Expert reviews

Theater 500 "5.1-Set Cinema" review of hifitest.de
Theater 500 "5.1-Set Cinema" review of hifitest.de
"Enormous Sound fun!"
hifitest.de 12/2011
Teufel's Theater 500 surprises in its multichannel play - as well as in the stereo area. Its strengths lie in the enormous fun you'll have listening to the deep bass rounding out the mid and high range dynamics. If you're searching for a properly potent home cinema system with excellent stereo dynamics, this extremely price-conscious system is your new best friend.

Result: 1.0 (Excellent)
Theater 500 "5.1-Set Cinema" review of AV-Magazin
Theater 500 "5.1-Set Cinema" review of AV-Magazin
"The Theater 500 again proves that the Berlin audio specialists at Teufel understand their craft when it comes to home cinema loudspeakers."
AV-Magazin 02/2012
"After painstakingly setting up and fastidiously arranging the loudspeakers, we played the action-packed fantasy adventure “Kind Kong.” A Blu-ray version of this successful film from the cult director Peter Jackson spun in the drive of the source device.

The Teufel Theater 500 mastered  the listening session within the first few minutes. The subwoofer pushed one pressure wave after another into the test room with energetic determination . The 33 mm woofer’s huge level reserves seem to know no limits. The Teufel subwoofer even sounds controlled and precise at high volumes. During the battle between the dinosaur with the giant ape, the walls of our listening room vibrated which was a truly goose bump-inducing experience. The temperamental and agile character perfectly harmonizes with the voluminous deep bass playback. In this way, we experienced the extended battle scenes as though we were directly involved in the action.

The interaction of the surround loudspeakers is also very good. A uniform driver construction in the three front speakers in the mid and upper range creates a homogeneous and layered stereo image in front of us. The centre speaker T 200 C delivers impeccable speech intelligibility. Thanks to the vertically arranged drivers with a top-mounted tweeter, speech and music sounds crystal clear and tonally neutral, even from non-centered listening positions. 

In the rear, dipole-effect loudspeakers inspire with a wonderfully diffuse dispersion. In this way, we literally felt how the fear-inducing giant insect swarmed about us in the swamp scenes. The dimensional sound reproduction of the mysterious jungle atmosphere sounded unbelievably realistic with the Theater 500, a fact that markedly enhanced our film viewing experience.

In conclusion, we are able to say that the new Teufel set again met our high expectations in regards to home cinema sound.

Conclusion

"The Theater 500 again proves that the Berlin audio specialists at Teufel understand their craft when it comes to home cinema loudspeakers. The 5.1 set won us over with a first class surround sound and deep bass with strong levels that can really stir the blood of those sitting in the living room. This is the way home cinema is meant to be: rousing, authentic, and strong.  We are able to award the Theater 500 the coveted Highlight insignia in good conscience."
    
Read the full test review here!
Theater 500 "5.1-Set Cinema" review of Area DVD
Theater 500 "5.1-Set Cinema" review of Area DVD
"A universal talent for music and film"
Area DVD 09/2011
+ Neutral tone
+ Enormous dynamics
+ Both large-and small dynamics exceed similarly-priced systems
+ Fantastic spatiality
+ The subwoofer has amazing depths!
+ Great looking
+ Low price

"The Theater 500 wins thanks to its enormous clarity, dynamics, performance and spatiality and is equally as good for music or film."

Read the entire test here (German)
How our customers rated this product:

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. 
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.


Which speaker cables does Teufel recommend?
For smaller sets up to Theater 1, we recommend using the 2.5 mm² Teufel speaker cable for optimal sound quality if the required length does not exceed 15 metres.

For Theater 2 and larger systems, we recommend the Teufel cable with 4 mm² cross-section for the front/centre speakers, and the 2.5 mm² cable up to a length of 15 metres for the effect speakers.

Choose a higher cross-section for even greater lengths.
Can I order the Teufel speakers in different colours than those offered?
To realise the very reasonable sales prices usual for Teufel, it is not possible to offer the speakers in a multitude of housing designs.

This circumstance would drive up the production and storage costs, which would result in a significantly more expensive sales price.

A paint shop in your vicinity will surely be able to repaint the speaker housing to your preferred colour without loss of warranty - after expiry of the eight-week right of return.
Which cables do I need to connect a Teufel speaker set to the AV Receiver?
A home cinema system needs speaker cables to connect the satellite speakers to the receivers, and an NF mono RCA cable to connect the active subwoofer to the sub out socket of the AV Receiver.
Is it possible to combine speaker cables with different cross-sections?
To supplement missing cable lengths you can use speaker cables of differing thicknesses without acoustical differences - provided there are no extreme differences in the cross-sections.
Should I rather choose a fully active or a partially active speaker set?
It is compulsory to connect partially active systems to an AV Receiver. This supplies the five to seven satellite speakers with the necessary power. Only the subwoofer works additionally with its own amplifier. The investment in a new system is higher because of the AV Receiver, but the solution is also much more flexible. After all, you can connect several signal sources, such as a TV, satellite receiver, PC, game console and MP3 player to an AV Receiver at the same time.

Fully active set do not necessarily need an AV Receiver. The five to seven satellite speakers here are supplied with power by the amplifiers which are installed in the subwoofer in addition to the subwoofer power amplifier. This saves you the costs of a receiver, but it is usually only possible to connect one source to our fully active subwoofer.

Exceptions here are the Concept E2, the Concept E Magnum Digital, the Motiv 5 Digital, the Concept F, the LT2+R and the Concept S+R.

Naturally you can also equip the fully active systems with an AV Receiver at a later point. The connection is then equal to the partially active sets.
When can I use the rear speakers as direct speakers?
If you aren't able to position the speakers close to the wall as described above, you should use the them as direct speakers. For this purpose the rear switch should be tipped outwards. For use as direct speakers, the rear boxes should be set up to the left and right of the listening position - ideally at the same height, e.g. on a shelf or preferably on a base. If the speakers have to be set up so that they are much higher or lower, it may be advisable to align them to the listening point. For wall mounting it is best to use wall brackets that allow for vertical movement. When using the speakers in direct speaker mode, we recommend that the distance between the two rear speakers exceeds the listening position by 1m. But if you (have to) sit closer, please make sure that the front of the speaker is not pointing directly at you; instead, angle the speakers more into the room.
Can I set up the set in a different way to that described?
The recommended set-up information below represents the best possible arrangement for perfect multichannel playback in your home. Your available space, your partner or your furniture may not always allow you to arrange the speakers in the ideal manner. Try to meet as many of the requirements as possible.

Modern AV Receivers offer numerous options for compensating electronically for any compromises in the set up. Generally speaking, the following rule always applies: you can always use our recommendations as a basis for experimenting with what works best for you, acoustically and optically. Let your ears (and eyes) decide!
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.
What is the advantage of bi-amping/bi-wiring?
Bi-amping means that the speaker can be operated by two amplifiers at the same time, or by a bi-amping-capable AV receiver. This enables the different chassis (for the treble mid-tone and bass range) to be individually supplied with one signal. Among other things, this could increase the sound performance of a speaker.

Bi-wiring states that the corresponding speaker can be controlled at the same time with two different speaker cables, meaning via separated input sockets for the treble and mid-tone range on one hand, and for the bass range of the frequency switch on the other. This could improve the sound even more. Bi-wiring is the prerequisite for bi-amping.
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