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  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"
  • Concept LT 400 PC Power Edition "5.1-Set"

Concept LT 400 PC Power Edition "5.1-Set"

5.1-Komplettanlage der Spitzenklasse für PC und Media-PC mit analogem 5.1-Ausgang
  • 8 week trial
  • Up to 12 year guarantee
  • Free & easy returns

Highlights

Why we love this product
Dieses 5.1-Set als Sonderedition ist nur für kurze Zeit verfügbar. Es besteht aus 5 Satelliten-Lautsprecher und einem Subwoofer mit integriertem Verstärker, über welche die Satelliten-Lautsprecher direkt angeschlossen werden. Für den Anschluss der Tonquelle (in diesem Fall also deine Soundkarte oder Media-PC) befindet sich am Subwoofer-Gehäuse ein analoger Mehrkanaleingang mit einer Cinchbuchse für jeden Kanal.
Key advantages at a glance
  • 5.1-Komplettanlage der Spitzenklasse für PC und Media-PC mit analogem 5.1-Ausgang
  • Verstärker im Subwoofer integriert – es werden keine weiteren Geräte mehr benötigt
  • Starker, feinauflösender Klang für Filmton, Musik und Games
  • Fünf 3-Wege-Lautsprecher für sehr realistischen, präzisen Raumklang
  • Center-Lautsprecher mit zusätzlichem Mitteltöner für hervorragende Stimmwiedergabe
  • Bassreflex-Subwoofer für tiefen, präzisen Bass
  • Front-Regler am Subwoofer für direkte Kontrolle, automatische Ein- und Ausschaltung
  • Weiteres Zubehör wie Standfüße und Wandhalter (nicht für Säulen) erhältlich
Features

Overview of our technologies

Google
plug & play
PC Gaming
PC/Multimedia
Downfire
Sound with perfect power and grace

The LT 4 takes movie soundtracks, music, and games and transforms them into sonic events you can feel. The following acoustic features make this experience possible:

  • A 3-way system distributes the incoming audio signal from the A/V receiver to five different drivers that are optimized to play back their dedicated frequency ranges. This results in a better sound than that produced by a 2-way or broadband system.
  • A total of four larger 75 mm midrange drivers ensure full, deep playback. The only thing thin about this system is its columns. .
  • Long-throw drivers produce high, precise and distortion-free levels
  • A large 20 mm tweeter endows voices and effects with a silky, highly detailed tone without sounding shrill or aggressive
  • In spite of the slender columns, the crossover frequency to the subwoofer was set at 120 Hz. This makes it difficult to localize the bass which means more flexibility when positioning this speaker in the room.
  • The lightly slanted corners on the columns and satellites produce a large, horizontal dispersion angle so that an extraordinary sound can be enjoyed in every listening position.
Heimkino LT 4 Mk2 Teufel
Easy setup and installation

The slender standing columns are securely positioned on a massive aluminium base. The centre and the shorter columns have integrated wall mounts. It is also possible to place the centre on an included plate. Each loudspeaker is equipped with sturdy, gold-plated screw terminals. These can be used with cables with diameters up to 2.5 mm² .

Heimkino null LT 4 Mk2 L FR Lautsprecher Schwarz Frontansicht
Discover spatial sound

All speakers have the same acoustic equipment, which therefore produces the same sound quality and always guarantees an immersive surround sound experience. Even the central speaker has the same drivers. Only Teufel takes care of such details.

Heimkino Säulenlautsprecher LT 4 Teufel Center-Lautsprecher
Easy integration

Each sleek column only takes up the equivalent of an A5 sheet of paper in terms of floor space, which makes the system easy to position, even in smaller rooms. The elegant aluminium exterior looks good in any setting.

Heimkino null LT 4 Mk2 L FR Lautsprecher Schwarz
Quality you can see as well as hear

The LT 4 loudspeakers are made entirely from brushed aluminium – a very expensive but stable material that is perfect for loudspeaker construction thanks to its noise-reducing qualities. Aluminium has the added advantage of giving the loudspeakers a subtle elegance that fits into any living room.

 
 
Subwoofer US 2112/8 SW

The XXL subwoofer with 700 watts of maximum power and integrated 7.1 amplifier features 3 front controls, auto power off, DPU bass reflex technology for eliminating wind noise, and a Klippel optimized 300 mm bass driver

Wie eine Soundkarte den Computer-Klang beeinflusst

Der Subwoofer wird mit drei Klinke-Cinch-Kabeln mit der 5.1-Soundkarte oder dem Media-PC verbunden. Wenn nur die beiden Frontkanäle verbunden sind, wird die integrierte Schaltung des Teufel-Systems aktiv, die den Ton über alle Satelliten und den Subwoofer ausgibt.

Die genaue Belegung der Ausgänge deiner Soundkarte kannst du aus dem Handbuch entnehmen. Das Set ist bis auf die Verbindungs- und Lautsprecherkabel sofort spielbereit. Sollte deine Soundkarte nur über digitale Ausgänge verfügen, benötigst du zusätzlich eine DecoderStation.

More fun with Amazon Alexa

Teufel Streaming systems and speaker with bluetooth can be optionally expanded with a device from the Amazon Echo series to allow you to select and enjoy music even more conveniently via Alexa voice control. You can find out more about how this extension works and what you can do with it on the Teufel blog.

Learn more
OK Google, play my Flow

Lost your remote control somewhere in the sofa again? No worries! Control your sound system with voice commands when you connect a Google Home device via Bluetooth.

Google Home Mini

Included components

  • Pair Column Speaker L 430 FR (pcs.)
  • Satellite Speaker L 430 FCR (pcs.)
  • Centre Speaker L 430 C
  • Active-Subwoofer US 2112/8 SW

Specifications

Centre Speaker L 430 C
Centre Speaker L 430 C
The L 430 C is a high-performance hi-fi centre speaker made from aluminium that comes with a holder. Its sound is identical to that produced by the L 430 FR and the L 430 FCR.
Centre Speaker L 430 C
Speaker
Acoustic principle 3-Way-System
Enclosure type Closed
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 101 dB/1m
Impedance 4-8 Ohm
Frequency range from/to 135/20000 Hz
Crossover frequency internal switch 450/2800 Hz
Crossover frequency to Woofer (recommended) 120 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 19,00 mm
Tweeter (material) Fabric
Midrange driver (number per enclosure) 2
Midrange driver (diameter) 80,00 mm
Midrange driver (material) Paper, coated
Woofer (number per enclosure) 2
Woofer (diameter) 80,00 mm
Woofer (material) Paper, coated
Enclosure material Aluminium
Enclosure surface Brushed
Net internal volume 3,80 Litres
Wall mounting brackets Yes
Keyhole plate mounted Yes
Terminal clamps Pole terminals, gold-plated
Suitable for banana plug Yes
Maximum cable diameter 2,50 mm
Suitable for AV receiver Yes
Dimensions
Depth 9,60 cm
Width 46,50 cm
Height 9,10 cm
Weight 2,50 kg
Miscellaneous Information regarding depth including integrated wall mount
Satellite Speaker L 430 FCR (pcs.)
Satellite Speaker L 430 FCR (pcs.)
The L 430 FCR are high-performance hi-fi short column speakers made from aluminium. Their sound is identical to that produced by the L 430 C and L 430 FR.
Satellite Speaker L 430 FCR (pcs.)
Speaker
Acoustic principle 3-Way-System
Enclosure type Closed
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 101 dB/1m
Impedance 4-8 Ohm
Frequency range from/to 135-20000 Hz
Crossover frequency internal switch 450/2800 Hz
Crossover frequency to Woofer (recommended) 120 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 19,00 mm
Tweeter (material) Fabric
Midrange driver (number per enclosure) 2
Midrange driver (diameter) 80,00 mm
Midrange driver (material) Paper, coated
Woofer (number per enclosure) 2
Woofer (diameter) 80,00 mm
Woofer (material) Paper, coated
Enclosure material Aluminium
Enclosure surface Brushed
Wall mounting brackets Yes
Keyhole plate mounted Yes
Terminal clamps Pole terminals, gold-plated
Suitable for banana plug Yes
Maximum cable diameter 2,50 mm
Suitable for AV receiver Yes
Dimensions
Depth 9,60 cm
Width 9,10 cm
Height 46,50 cm
Weight 2,50 kg
Pair column speaker L 430 FR (pcs.)
Pair column speaker L 430 FR (pcs.)
The L 430 FR are high-performance hi-fi column speakers made from aluminium. Their sound is identical to that produced by the L 430 C, L 430 FCR and Trios.
Pair column speaker L 430 FR (pcs.)
Speaker
Acoustic principle 3-Way-System
Enclosure type Closed
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 101 dB/1m
Impedance 4-8 Ohm
Frequency range from/to 135-20000 Hz
Crossover frequency internal switch 450/2800 Hz
Crossover frequency to Woofer (recommended) 120 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 19,00 mm
Tweeter (material) Fabric
Midrange driver (number per enclosure) 2
Midrange driver (diameter) 80,00 mm
Midrange driver (material) Paper, coated
Woofer (number per enclosure) 2
Woofer (diameter) 80,00 mm
Woofer (material) Paper, coated
Enclosure material Aluminium
Enclosure surface Brushed
Net internal volume 3,80 Litres
Terminal clamps Pole terminals, gold-plated
Suitable for banana plug Yes
Maximum cable diameter 2,50 mm
Suitable for AV receiver Yes
Dimensions
Depth 9,10 cm
Width 9,10 cm
Height 114,30 cm
Weight 5,80 kg
Miscellaneous Height measurements include base plate
Active-Subwoofer US 2112/8 SW
Active-Subwoofer US 2112/8 SW
The XXL subwoofer with 700 watts of maximum power and integrated 7.1 amplifier features 3 front controls,  auto power off,  DPU bass reflex technology for eliminating wind noise, and a Klippel optimized 300 mm bass driver
Active-Subwoofer US 2112/8 SW
Speaker
Acoustic principle 1-Way-System
Enclosure type Bass reflex
Maximum sound pressure level 103 dB/1m
Woofer (number per enclosure) 1
Woofer (diameter) 300,00 mm
Woofer (material) Zellulose, beschichtet
Miscellaneous Per Klippel®-Messverfahren optimierte Tieftöner mit langem Hub
Enclosure material MDF
Enclosure surface Folie + Hochglanzlack
Equalisation openings 1
Equalisation openings (pos.) Unten
Net internal volume 65 Litres
Integrated stand Yes
Terminal clamps Federklemmen
Maximum cable diameter 2,50 mm
Connections
Cinch input 7.1 1
Electronics
Lowest frequency (-3 dB) 32 Hz
Input gain adjustment 1
Amplifier technology Class D + Class AB
Amplifier technology Class D + Class AB
Amplifier configuration 7.1
Amplifier channels 8
Power output capacity impulse (peak) Satellite 50 W
Power output capacity impulse (peak) Bass 320 W
Power output capacity sinus (RMS) Satellite 25 W
Power output capacity sinus (RMS) Satellite 25 W
Power output capacity sinus (RMS) Bass 150 W
Power output capacity sinus (RMS) Bass 150 W
Power supply voltage 230 volts
Standby-Function Yes
Standby-Power consumption 0,40 watt
Maximum power consumption 700 watt
Mains cable - IEC connector (non-heating device) Yes
Safety class 2
Fuse Ja
Storage for settings when disconnected Yes
Automatic on/off Yes
Dimensions
Depth 40,00 cm
Width 40,00 cm
Height 62,50 cm
Weight 27 kg

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.
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!
Do I need the same cable length for all speakers?
In our experience, there is no acoustical difference for different cable lengths for lengths up to 15 metres.
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.
Der Subwoofer spielt nicht – was kann ich tun?
1. Falls die Power-Diode nicht leuchtet:
Tauschen Sie die neben dem Netzschalter befindliche Sicherung aus. Falls die Power-Diode danach nicht leuchtet, wenden Sie sich bitte an unseren Service. Falls die Power-Diode danach leuchtet, aber kein Ton zu vernehmen ist, verfahren Sie bitte wie unter Punkt 2. beschrieben.

2. Falls die Power-Diode leuchtet:
Drehen Sie den Pegelregler Level am Subwoofer auf »Minimum«, ziehen das Subwoofer-Cinchkabel am Verstärker ab, drehen Level vorsichtig hoch und berühren den Cinch-Heißleiter des Cinch-Kabels (innen) mit dem Finger. Ist nun ein Brummen oder Knacken zu hören, liegt der Fehler beim Receiver oder seinen Einstellungen. Bleibt der Subwoofer stumm, wenden Sie sich bitte an unseren Service.
There is no sound coming from either the speakers or the subwoofer
Please check that the operating lights of your Teufel device are on. If not, please change the fuse: it could be that the mains fuse on the subwoofer may have blown due to overvoltage in the mains. The fuse box is located underneath the plug. Use a small screwdriver to lever it out, replace the two jammed fuses and insert the fuse holder back into the fuse box. Now the subwoofer should be ready for use again.
Basic function test.
You can check the function of the subwoofer and the satellites by only connecting the (stereo) signal from an external source that is guaranteed to be good quality, such as a music CD played on a (portable) CD player, using a RCA cable (and possibly a Y adapter) with the front input L/R on the subwoofer.

The other four inputs on the subwoofer do not need to be occupied (= RCA cable disconnected). With this connection plug arrangement of front In L/R, the Concept E Magnum Power Edition amplifier activates all satellites and the subwoofer through internal distribution. If the subwoofer and all five satellites now play correctly via a directly connected CD player, the Concept E Magnum Power Edition was not receiving the correct signal before. Either the cinch cable is defective (try exchanging it) or the output of your source appliance is not producing the correct signal.

If you continue to experience unwanted noise/individual malfunctions, there is possibly a defect in the Teufel system.
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