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Columa 300 Mk2 Set S

Top of the class
5.1 home cinema set with 4 short aluminium columns
(2)
€ 599.99
incl. VAT
Color: black
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Highlights

Why we love this product
The Columa 300 in the Set-S configuration is a full-fledged surround system with slender aluminium columns for wall, stand or shelf installation.
Key advantages at a glance
  • 5.1 home cinema set with 4 short aluminium columns
  • Perfect for film, music and gaming
  • Set S: 4 short columns, 1 centre speaker, 1 active subwoofer
  • 2-way system with two mid-range drivers
  • Powerful subwoofer that can be used front- or down-firing and can be operated wirelessly
  • Compatible with all home cinema AV receivers
What others are saying about us
(5 of 5 from 2 Reviews)
All ratings
Features

Overview of our technologies

Downfire
New speakers, now even better

From an acoustic perspective, Mk2 systems deliver the best quality Teufel audio thanks to newly developed speakers components, which have been optimised with a Klippel measurement system and aluminium casing. The speakers have been enhanced with revised crossovers, each of which take both the type of installation and the wall proximity of individual components into account. Visually, the speakers are now even slimmer and the sound has an enhanced clarity thanks to their streamlined structure.

Sleek and powerful aluminium column speakers

Das Columa gibt es in verschiedenen Konfigurationen mit kurzen oder langen Säulen. Die kurzen Säulen und der Center besitzen eine integrierte Wandhalterung. Der Center kann zudem per mitgelieferter Halteschale auf einem Lowboard positioniert werden. Durch die geringe Tiefe von nur 12,6 cm passen die Speaker perfekt zu Flat-Screens. Da die Columa-Speaker über eine sehr breite Schallabstrahlung verfügen, hörst du auf jeder Sitzposition nahezu optimal. Ein Anwinkeln mit einem zusätzlichen Wandhalter ist also nicht erforderlich.

Set S

The set consists of 4 short columns, making it perfect for easy and space-saving wall mounting. Sound-wise, there is no difference between the sets with four tall columns (Set L) or 2 short and 2 tall columns (Set M).

  • Teufel Heimkino Columa 300 FR Lautsprecher Frontansicht
    Slim and compact with steel speaker grille and aluminium housing
  • Teufel Heimkino Columa 300 C Center-Lautsprecher
    Integrated support for the centre speaker
  • Teufel Heimkino Columa 300 C Center-Lautsprecher Seitenansicht
    Optimum emission angle
  • Teufel Heimkino Columa 300 FR Lautsprecher
    Integrated wall bracket with solid screw terminals for vertical and horizontal mounting
Tried and tested by over 70,000 customers

The combination of slim aluminium speakers brings you a special home entertainment sound experience in an elegant, flexible and affordable way. This is why our Columa 300 Mk2, together with its predecessors (Columa 300 and Concept S), has been so popular for many years. After all, it has been welcomed into well over 70,000 German living rooms (as of January 2013), and there are more and more of them every day. Try it for yourself - the proof is in the sound!

Teufel Heimkino null Columa 300 Mk2 C Center-Lautsprecher Frontansicht
T 8 Subwoofer

For the first time Teufel offers a subwoofer that can be used either front- or down-firing. Don't let the 100-Watt power output fool you. The new Class-D amplifier works efficiently and is extremely low-noise. It easily matches up to classic amplifiers that require 250-Watts.

  • High-end active subwoofer, can be used either front- or down-firing
  • 200 mm diameter bass driver
  • Power: 100-Watt, Class-D power amplifier with high efficiency and low consumption
  • Automatic on / off
  • Extensive setting options and protective circuitry
  • Can be tilted forwards or backwards, feet are interchangeable
  • Integrated wireless module - works with Teufel Soundbar Streaming, Trios, Duett, One, Cinebar Pro, CoreStation and Impaq.

Included components

  • Center Speaker CL 302 C
  • Satellite Speaker CL 302 FCR (pc.)
  • T 8 Subwoofer

Technical Data

Centre Speaker CL 302 C
Centre Speaker CL 302 C
A long and slender loudspeaker designed to be placed directly under the viewing screen. This is the perfect place for the LC 302, which can reproduce clear and precise speech from movies and television. Simply place it on the included stand or fix it to the wall with a handy bracket on the back.

A modified crossover allows the CL 302 C to achieve precise tuning based on its position on either a stand or wall. Otherwise, the centre is equipped with the same two midrange drivers and tweeter calotte as the column speakers and so contributes to the set’s especially harmonious sound. The speaker’s especially slender enclosure is made from solid aluminium. Robust terminals ensure secure connections for cables up to 4 mm² and nearly lossless transmission.

Centre Speaker CL 302 C
Speaker
Säule Yes
Continuous power handling (IEC - Long Term) 80 Watt
Peak power capacity (IEC - Short Term) 100 Watt
Sensitivity (2.83 V / 1 m) 84 dB
Minimum amplifier output power recommended 20 Watt
Maximum sound pressure level 96 dB/1m
Impedance 4 - 8 Ohm
Frequency range from/to 120 - 20000 Hz
Crossover frequency to Woofer (recommended) 150 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 19.00 mm
Tweeter (material) Fabric
Bass/Midrange driver (number per enclosure) 2
Bass/Midrange driver (diameter) 70.00 mm
Bass/Midrange driver (material) Cellulose, coated
Acoustic principle 2-way
Enclosure type Closed
Enclosure material Aluminium
Enclosure surface Matte, metallic lacquer
Net internal volume 2.90 Litres
Wall mounting brackets Yes
Keyhole plate mounted Yes
Magnetic shielding Yes
Terminal clamps Screw terminals, gold plated
Maximum cable diameter 2.50 mm
Suitable for AV receiver Yes
Dimensions
Depth 12.60 cm
Width 39.20 cm
Height 8.50 cm
Weight 1.40 kg
Satellite Speaker CL 302 FCR (pc.)
Satellite Speaker CL 302 FCR (pc.)
This short column speaker can be used as a front, rear or rear centre speaker. It can be fixed directly to the wall by the rear mounting bracket. The Teufel wall holder AC 5500 SM is required for a movable position.

The components of a CL 302 FCR mirror those of the centre as well as the long column speakers. The volume and materials used are identical: two 70-mm diameter Klippel-optimized cellulose-midrange and a 19-mm dome tweeter in compact and sturdy housing.

Cables up to to 4 sq. mm thick can be used due to the strong connection to the AV receiver.
Satellite Speaker CL 302 FCR (pc.)
Speaker
Säule Yes
Continuous power handling (IEC - Long Term) 80 Watt
Peak power capacity (IEC - Short Term) 100 Watt
Sensitivity (2.83 V / 1 m) 84 dB
Minimum amplifier output power recommended 20 Watt
Maximum sound pressure level 96 dB/1m
Impedance 4 - 8 Ohm
Frequency range from/to 120 - 20000 Hz Hz
Crossover frequency to Woofer (recommended) 150 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 19.00 mm
Tweeter (material) Fabric
Midrange driver (number per enclosure) 2
Midrange driver (diameter) 70.00 mm
Midrange driver (material) Zellulose, beschichtet
Bass/Midrange driver (material) Cellulose, coated
Acoustic principle 2-way
Enclosure type Closed
Enclosure material Aluminium
Enclosure surface Matte, metallic lacquer
Net internal volume 2.90 Litres
Wall mounting brackets Yes
Keyhole plate mounted Yes
Magnetic shielding Yes
Terminal clamps Screw terminals, gold plated
Maximum cable diameter 2.50 mm
Suitable for AV receiver Yes
Dimensions
Depth 12.60 cm
Width 8.50 cm
Height 39.20 cm
Weight 1.40 kg
T 8 Subwoofer
T 8 Subwoofer
 High-end active subwoofer, can be used either front- or down-firing
T 8 Subwoofer
Speaker
Maximum sound pressure level [dB/1m] 111
Frequency range from/to [Hz] 33-200 Hz
Woofer (number per enclosure) 1
Woofer (diameter) [mm] 200
Woofer (material) Aluminium
Acoustic principle 1-way system
Enclosure type Bass reflex, DPU
Enclosure material MDF
Enclosure surface Matte coated
Equalisation openings 1
Integrated stand Yes
Miscellaneous Reflection channel in DPU technology avoids flow noises, stable MDF housing structure with internal bracing
Suitable for AV receiver Yes
Connections
Cinch input 1
Miscellaneous Suitable for installation directly on the wall
Electronics
Miscellaneous Can be wirelessly controlled
Lowest frequency (-3 dB) [Hz] 37
Bass boost/EQ Yes
Input gain adjustment Yes
Frequency regulator (range) [Hz] 37 - 200 Hz
Level control Yes
Phase control Yes
Miscellaneous Can be used either front- or down-firing
Amplifier technology Class-D
Amplifier configuration 1.0
Amplifier channels 1
Power output capacity impulse (peak) Bass [W] 100
Power supply voltage [volts] 230 Volt
Standby-Function Yes
Standby-Power consumption [watt] 1
Maximum power consumption [watt] 100
Mains lead fixed Yes
Safety class 2
Fuse Yes
Storage for settings when disconnected Yes
Automatic on/off Yes
Dimensions
Depth [cm] 38
Width [cm] 31.1
Height [cm] 42.3
Weight [kg] 11

Accessories

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

Expert reviews

Columa 300 Mk2 Set S review of Area DVD
Columa 300 Mk2 Set S review of Area DVD
"For just 700 euro one gets an impressive value with faultless, high-quality materials.”
Area DVD 03/2014
"Chic, slender, powerful and – to top it all off – a price breaker: If Teufel’s Columa 5.1 ‘Set L’ achieves these demands, it has a promising career in front of it. The set presents itself as completely remodeled as its predecessor’s already high-performance technology has been reworked and optimized. The generous use of an expensive and elegant material like aluminum that adorns all four columns and the center is sensational for this price class.”

"The integrated class D digital amplifier [in the subwoofer] can reach 180 watts which should be perfectly sufficient for medium to large listening rooms. [...] The subwoofer is made from truly thick MDF and makes a good impression on the inside as well with an incredibly clean finish.“

"The package also includes four slim aluminum CL 302 FR standing columns with massive metal feet. These ensure a consistently secure positioning [...] A  non-removable and precisely placed metal grille sits in front of the drivers. [...] We also approved of the loudspeaker’s cable screw terminals. Two 70 mm cellulose midrange drivers are built into the system along with a 19 mm dome tweeter. The columns were optimized for an even sound dispersion which is not so easily realized with such small loudspeakers.”

"For just 700 euro one gets an impressive value with faultless, high-quality materials.”

"With the 007 film ‚Quantum of Solace‘ in DTS-HD Master Audio, the Columa 300 Mk2 proves itself capable [...] of coming up with a truly discernible quality. The active subwoofer goes about its work resolutely and evinces no faults at high levels. [...] The four aluminum columns sound clear and surprisingly much less aggressive in the upper range than we’d feared.“

"The balance in the frontal sound image is very good. It pays off here that the front and back use exactly the same loudspeakers. The set feels good in listening rooms between 12 and 25 square meters and is definitely capable of realizing the immense dynamics contained in the soundtracks of modern action movies. And yet the result doesn’t seem superficial or flat, but rather multifaceted and well executed. The individual elements, that is to say the voices, effects, and musical score, can be well differentiated from one another up to levels well above normal listening volumes.”

"With musical material, there is equally little to find fault with in the Columna 300. We started off with A-Ha’s final concert which we had in DTS-HD Master Audio. [...] The heavy audience applause came across with good spaciality. The singer’s voice was flawlessly reproduced, the separation of vocal elements from the loudspeakers, especially in a larger listening room, is as distinct as with some stately floor-standing loudspeakers. With ‘The Sun Always Shines on TV,’ the Columna 300 impressed us with a solid dimensionality, authoritatively carried by the powerful efforts of the subwoofer.”

Conclusion
"This is the ‚essence of Teufel:‘ great sound, chic, timeless design and lively sound that gains additional contours from the excellent newly developed subwoofer. Compared to its predecessor, but also compared to the competition, the newly developed subwoofer won us over with a powerful performance as well as excellent depths and exceptional precision. The entire set is superbly put together and the quality of the materials - thanks to the generous use of real aluminum - is well above that which one can otherwise expect in this price class.”

Read the full test review (in German) here:
Columa 300 Mk2 Set S review of Video Home Vision
Columa 300 Mk2 Set S review of Video Home Vision
"Elegant appearance and great sound leave nothing to be desired."
Video Home Vision 03/2011
"The design of the Columa set alone should get great acclaim: the elegant appearance of the four slender columns and ornate center leave nothing to be desired. Although, the big subwoofer set dominates, thanks to its small size it can be placed almost anywhere. The pure-tuned speaker team reproduces convincing and powerful sound."

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.


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.
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.
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).
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!
What is the use of the on/off automatic switch ("Auto On/Off") of the active subwoofer?
The On/Off switch is a power-saving standby switch. The switch must be set to "On" or "1" to activate the standby. The subwoofer is activated as soon as it receives a strong bass signal. After approx. ten to twenty minutes of no signal, or only after receiving a very weak signal, it automatically switches to the standby function.

Even though the LED is still illuminated, the subwoofer is in standby mode. This function can be easily checked by slowly increasing the volume at the receiver/amplifier. You will hear a quiet popping noise when the subwoofer activates itself as of a certain level.
What happens to the power amplifiers of the subwoofer if I don't connect the satellites?
As soon as the satellites are connected to the subwoofer and not to the AV Receiver/amplifier, the performance of the 6 or 8-channel power amplifier is distributed to the subwoofer and to the satellites.

If the satellites are not connected directly to the subwoofer but to the AV Receiver/amplifier via speaker cable instead, the subwoofer performance will increase somewhat; the power amplifiers for the satellites have no function. This enables the subwoofer and satellites to play even more dynamically than if the subwoofer still had to provide the satellites with performance.

The technical background: The subwoofer has a large transformer with a specific wattage. This performance is either distributed to the five satellites and the subwoofer, or you receive a higher performance only for the subwoofer.
How can I connect an additional active subwoofer?
If your receiver has only one subwoofer output ("Sub Out"), you only need a monocinch cable, which is then connected from the receiver to the "Sub In" of the subwoofer. With two subwoofer outputs, you can order a so-called Y-adapter from the Teufel accessories page, which has a cinch plug on one side and two cinch (RCA) sockets on the other. Connect the plug to the subwoofer "Pre Out" on the AV receiver/amplifier and connect the mono cinch cable to the two subwoofers.

If the cabling method is easier for you, then you can alternatively connect one subwoofer to the other. You will need two mono cinch cables - one to connect the subwoofer "Pre Out" on the AV receiver/amplifier to the left line-in input of the first subwoofer, and the other to connect the left line-out output of the first subwoofer to the left line-in input of the second subwoofer.
How is the wattage of a subwoofer with respect to the sine wave and pulse/music performance?
Mono subwoofer:

The wattage (e.g. "360 W") printed on the rear of the subwoofer near the mains plug designates the ability of the power amplifier "to pull" a maximum power rating in the specified range at the moment of switching on (those 360 watt stated as an example).

Consequently, the wattage must correspond to at least the sine wave output of the amplifier, as this sine wave output must be permanently available which the power pack must provide as well.

The pulse/music performance of the amplifier, on the other hand, can exceed the wattage, because the short pulses are buffered additionally by the capacitors in the power pack and are not achieved solely through the performance of the power pack.

Multi-channel subwoofer:

The wattage for a multi-channel subwoofer can also be below the sine wave output, as the specified sine wave output is not requested from every channel at the same time.

For a 5 x 100 watt sinus power amplifier, for example, each of the five channels is able to implement 100 watt sine. However, not all five channels at the same time! This is also unnecessary, as the same signal is never transmitted across all five channels at the same time, thus requesting the same high sine wave output per channel.

That is why the wattage may be, e.g. 300 watt, even if the sine wave output exhibits 5 x 100 watt (= 500 watt).
What are the volume switches for?
The sound of the speaker always depends on the room where it is located.

The volume of the active subwoofer can be controlled so that you can adapt the relationship between the active bass and treble / mid tones to suit the room.

Use your own senses to judge which settings sound best in your room. This switch is especially useful in stereo mode. On the other hand, multichannel amplifiers often have technologies that adjust the subwoofer volume - so when using a multichannel amplifier the controller should first be set at 0dB.
What is room resonance frequency?
Room resonance frequency (other terms: room modes, standing waves, resonance frequency) is the frequency at which the vibrations of a voice, a musical instrument or a signal played back over the hi-fi/home cinema system is amplified unnaturally, because the vibrations build up between the walls as well as the floor and ceiling.

It is calculated of the sound velocity divided by 2 and divided by the room length [ 340 m/s: 2 : 6 m = 28.3 Hz (=1/s) ] or, more simply: 170 divided by the room dimension (length, width or height). The greatest distance between two parallel walls is taken as first standard value. For a room of 4 x 6 metres, this would be 6 metres. Strictly speaking, you would have to calculate the room resonance frequency for further parallel walls (for the 4 metres and for the ceiling height).

Overlaying resonances are also possible if the room dimensions are very close to each other. (2.8 metres high, 3 metres wide and 5.6 metres long). The resonance at 2.8 metres is repeated as multiple (times 2) at 5.6 metres length, the resonance of the 3 metres width is close to the resonance of 2.8 metres. It would resonate strongly here at 30 Hz, 56 Hz, 60 Hz and 120/112 Hz.

Phenomena of resonance frequencies:

• For example, a man with a deep voice speaks in a very small room (2 by 2 metres, 85 Hz). The voice appears to have more emphasis than in another room or out of doors. As soon as a woman speaks, the voice will sound just the same as in another room.

• The voice of a woman or that of a small child will cause glass to shatter. The voice strikes exactly the tone that corresponds to the resonant frequency of the glass. The glass resonates so strongly that it shatters (refer to the movie "The Tin Drum").

• A group of soldiers march across a bridge in cadence. The equal movement causes the bridge to vibrate so much that it collapses. That is why no one marches across bridges in cadence.
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