Teufel LT 3 Power Edition Technical Specifications And Operating Manual

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Page 1

Technical Specifications and Operating Manual

5.1-Home Theatre Column Speaker System with Active Subwoofer

LT 3 Power Edition

Page 2

· LT 3 PE

General note: Make sure to read this operating manual care-

fully and in its entirety. Before plugging in the units for the rst

time, make sure you have complied with all relevant safety and operating instructions. Keep this operating manual in a safe place so you can refer to it at a later date if necessary.

Always: If in doubt, consult the operating manual. Make sure to comply with all instructions regarding the units' setup and ongoing operation.

Cleaning: Only use dry or moist cloths to clean your speaker cabinets Never use abrasive or alcohol-based cleaning products. If you need to clean a speaker membrane, do so very carefully using a dry cloth. Before cleaning a unit, always unplug the power cable.

Humidity and sunlight: Never operate the unit in humid or wet spaces, e.g., near a bath tub, shower, wash basin, drain, in a damp basement, or near a swimming pool. Never expose the loudspeakers to excessive humidity. Also avoid exposing them to direct sunlight. Do not expose device to dripping or splashing

water. Do not place objects lled with liquids, such as vases on

the device.

Placement: Never mount the units loosely in a vehicle, on an unstable surface, on a loose stand, on unsuitable furniture, or with

insufcient bracing. The loudspeakers could topple and cause

personal injuries, which you will be liable for. Especially when speaker cabinets are mounted on stands or placed on top of TV sets/monitors, they may topple due to external stress (cable being pulled, tr ipping over cable, accidental physical contact)

– even if they seem to be mounted quite securely. As a result

of their weight , toppling speaker cabinets can cause considerable damage, as well as becoming b adly damaged themselves. The same applies to undersized or unprofessionally installed wall-mounting brackets, particularly on light walls. Always use

adequately sized wall brackets for mounting loudspeakers, and

ensure that the wall can withstand the stress. Never mount the units near a heat source. This could be a heater or oven, but also any other electrical device that heats up during operation

(e.g., amplier). Similarly, never place a heat source on top of the

loudspeakers, such as a fan heater or candles.

Ventilation: There are several ventilation slits and openings in the unit's housing. These are designed to ensure reliable operation and stop the unit from overheating. Never block or cover the ventilation slits; do not place the unit on a soft surface such as a bed, couch, carpet, etc., as this blocks the ventilation slits in the bottom of the housing. Do not put any newspapers, tablecloths, etc., on top of the unit. Most import antly, do not

cover up the heat sink of the amplier section or expose it to

direct sunlight. Conversely, you should generally not attempt to provide additional cooling to the unit yourself. This is not necessary.

Power source: Make sure to connect the subwoofer to a power source that provides the correct voltage, i.e., the voltage indicated on the type plate. If you are unsure about the voltage provided by your domestic power connection, please contact us or your local electricity provider for advice. The unit does not

require earthing. When connecting to the mains power socket,

always use the supplied two-pole power cable. Under no circumstances should you modify the power cable, as it must comply

with the ofcial polarity and earthing regulations. Make sure to

plug the power cable only into a double-pole socket.

Make sure the power switch is in the “off” position before connecting or disconnecting the device.

Cables: Lay all the cables ush with the oor and walls. Avoid

any loops in your cables that could cause people to tr ip up. Cable loops can also cause electrical interference and degrade

the sound quality. Make sure to lay your power cables out of reach so that they are not stood on or squashed by heavy

objects. If you notice any cable damage, replace the cable. Pay special attention to all plug connectors, the mains socket and the subwoofer's connector panel. Regularly check all powered cables to and from the loudspeakers for insulation issues and breakage. If you detect a fault, immediately power down all connected units, unplug the cables and replace the defective cable.

Disuse: During prolonged periods of disuse (holidays, etc.), always unplug the subwoofer from the mains socket.

Thunderstorms: In the event of a thunderstorm, switch off and unplug the unit as soon as you can in order to avoid damage from lightning strikes.

Overloading: Never overload your wall sockets, extension cables and multiboxes, or the integrated power sockets on your electrical devices. Power overloads can cause short cir-

cuits and res. Also avoid turning up the volume control excessively on your amplier, particularly if you are also boosting the bass frequencies (bass control, loudness button, bass boost

button, etc.).

Liquid and foreign substances: Liquids or other foreign sub- stances should never get inside the unit, as they may interfere

with exposed live parts and cause short circuits or res. Absolutely avoid spilling any type of liquid onto the unit. In case of a

fault: Never attempt to repair the unit yourself. Always contact our suppor t team rst and discuss the fault with them. If appropriate, they may give you instructions on how to clear the fault. If this is not possible, send the unit directly to our service address.

Transport: Take utmost care when transporting the unit , and use a sack barrow if possible. Be aware that both the sack barrow and the unit can easily fall over as a result of sudden stopping or jolting (uneven ground, lurching movements, etc.).

Unusual noises: If any unusual noises occur during operation, or if the sound gets distorted, immediately turn down the am-

plier volume to a level where the sound returns to normal.

Replacing the fuse:

Unplug the power cable before replacing the fuse. Make sure that the replacement fuse has the same rating as the defective fuse.

Speaker volume: Excessive loudspeaker volume can cause irreversible hearing loss. The subwoofer may emit high sound pressure levels very unexpectedly when it is suddenly triggered into activity by a bass impulse (“Standby/Auto On” mode) – particularly if the unit is on full volume. As well as physical hearing loss, also watch out for psychological stress caused by excessive volume. Children and pets are particularly sensitive to noise. Always set the volume control of your audio system to a level that

is appropriate to the surroundings. When the system is playing

at high volume, do not stand too closely to the subwoofer and never put your ears directly up to any of the loudspeakers.

Please read the following

safety guidelines

very carefully.

Packaging materials,

particularly plastic bags and

foils, should be kept out of

children's reach, as they can be

dangerous (e.g., risk

of suffocation)

Never leave your children

alone with electrical devices, as

there is always a risk of

electrical shock.

In case of an emergency:

Immediately disconnect the unit's power plug from the mains socket. In the following cases, please contact one of our service technicians:

4 Power plug or cable is damaged 4 Liquid or other foreign substances have got inside the device 4 The unit has been directly exposed to rain or another

type of liquid

4 The unit is inoperative even though you have followed all the operating instructions

The unit has been dropped

or otherwise damaged

We are not liable for any incidents resulting from disregard of the safety guidelines.

Safety guidelines

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· LT 3 PE

Contents

Safety guidelines

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 2

Table of contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 4

Unpacking · Included components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5

Accessories · Upgrading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 6

5.1 speaker placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7

Connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 9

Settings · Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10

Subwoofer controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 11

Problems and solutions · Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 12

Manual version 1.1

About this document

The information in this document is subject to change without warning. Lautsprecher Teufel GmbH is in no way bound by the information provided herein. Lautsprecher Teufel GmbH assumes no liability for errors contained in this manual. No section of this document may be reproduced or copied by any electronic or mechanical means, including photocopying and recording, without prior written consent from Lautsprecher Teufel GmbH.

cisms, please contact our support team:

Lautsprecher Teufel GmbH Gewerbehof Bülowbogen – Aufgang D1 Bülowstr. 66 D-10783 Berlin (Germany) Ph.: 00800 200 300 40 Fax:+49(30) - 300 930 930 www.teufelaudio.com

Technical specifications

The various technical specications are given on

our website at www.teufelaudio.com

Customer complaints

If you have a complaint, we will require the following information:

1. Invoice number As shown on your physical invoice (shipped with

the product) or on your order conrmation (PDF

format), e.g. 4322543

2. Serial number, As shown on the rear of the unit, e.g., Serial No.: LT 04007480121A

Thank you for your assistance.

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Technical Specifications and Operating Manual

· LT 3 PE

Introducing the LT 3 PE system

Dear Lautsprecher Teufel customer,

Thank you for purchasing speakers from Lautsprecher Teufel.

You are now the owner of a powerful and sophisticated speaker system. All Teufel products are

meticulously manufactured and tted only with top-quality components. Our LT 3 PE system is

designed for audio playback in room sizes of up to 50 m2. Here, the room size only applies to the part of the room being used for listening purposes. Adjacent parts of the room – such as a dining niche – need not be factored into the room size. If the room is higher than 3.5 m, multiply the room size by 1.5.

Before using the speaker system for the rst

time, carefully read this operating manual. Keep the manual in a safe place for later reference. If

you have any questions, feel free to contact our

technicians at 00800 200 300 40, or write us an e-mail using the form provided on our website (www.teufelaudio.com). Please provide your invoice number so that we can identify your purchase and provide the best possible support.

BEFORE you contact us with any questions, make sure to read the “Problems and solutions” section on page 12 of this operating manual. Further answers are provided on the “FAQ/ Support” pages of our website: www.teufelaudio. com.

Please read the safety instructions before using the speaker system (supplementary document).

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Technical Specifications and Operating Manual

· LT 3 PE

Unpacking · Included components

Please check rst that the

system is complete.

Remember

Hold on to the cardboard boxes for at least eight weeks (duration of the right-of-return period). Lautsprecher Teufel will ONLY refund the full purchase price if the speakers are shipped back in their

ORIGINAL PACKAGING

Note:

The four passive column speakers

of the system are tted with

identical drivers with the same technical data. Hence, these column speakers can be used as front or rear speakers.

Subwoofer L 4200 SW

Unpacking

Open the top aps of the cardboard box, remove

the packaging foam and carefully lift the speaker out of the box.

We recommend that you keep the original packaging should you ever have to send the speakers back to us for servicing.

The LT 3 PE speaker system is shipped as a com-

plete system in two conguration.

L 330 C Centre Channel Speaker

Column Speaker L 330

FR including stand

Included components

LT 3 Power Edition Set 1

4 1 x L 4200 SW subwoofer 4 1 x L 330 C centre speaker 4 1 x stand for L 330 C 4 4 x spikes, hard 4 4 x spikes, soft 4 4 x L 330 FR column speakers 4 4 x stands for L 330 FR 4 1 x mains cable

LT 3 Power Edition Set 3

4 1 x L 4200 SW subwoofer 4 1 x L 330 C centre speaker 4 1 x stand for L 330 C 4 4 x spikes, hard 4 4 x spikes, soft 4 2 x L 330 FR column speakers 4 2 x stands for L 330 FR 4 2 x L 330 FCR satellite speakers 4 1 x mains cable

Table stand for L 330 C

Spikes, hard

Mains cable

L 330 FCR Satellite Speaker

Spikes, soft

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Technical Specifications and Operating Manual

· LT 3 PE

Accessories · Upgrading

If you require any optional

accessories, you can easily

order these directly from the

Accessories section of

our online store:

www.teufelaudio.com

Teufel 2 x 2.5 mm2 speaker cable

The highly exible, unilaterally marked OFC cable

has sufcient diameter to

ensure unhindered bridg-

ing up to 15 meters. The white casing is inconspicuous, and is offered as a cable roll in two lengths: 15 or 30 meters.

Teufel Subwoofer Cable

Special RCA cable - devel-

oped for use with the sub-

woofer. The best connection

between an active sub-

woofer and an AV Receiver. Protected via high-quality shielding against interference from other sources, with stable gold-plated connectors to provide secure contact . The cable is available in three different lengths, so your subwoofer can truly stand whereever you’d like it.

Y adapter

1 x socket to 2 x connector.

A Y adapter lets you feed

a mono sub signal to both

of the subwoofer’s stereo

inputs; this increases the

subwoofer’s overall volume.

Accessories

As different customers have different cable re-

quirements, our systems do not ship with any

standard speaker cables. However, you can order suitable speaker cables, subwoofer cables, adapters and connectors from the Accessories section of our website at:

www.teufelaudio.com

Accessories for the LT3 Power Edition

The following accessories are available for the LT3 Power Edition:

Teufel banana plugs

These high-quality Teufel

all-round plugs enable you to connect your cables to your speakers in a cost-

efcient and reliable manner. The stable screw grip rmly

holds all cables with a diameter up to 4 mm. Permanently elastic spring contacts and genuine gold-plating guarantee connections with very low resistance.

Teufel Wall Mount Bracket AC 8500 SM

This all-purpose wall mount is perfect for mounting short column speakers. Many of Teufel‘s centre and FCR speakers can wall-mounted using this robust cast-iron wall bracket. In addition to vertical

installation, the AC 8500 SM also allows you to

mount a centre speaker horizontally. What‘s more,

you can then aim the speakers at the listening position, since the wall mount offers three different angle positions.

Teufel Stand AC 5001 SP

AC 5001 SP is the universal speaker stand for »short« columns or centre speakers you cannot place on a shelf or hang against the wall. Its lofty height of 1085 mm automatically provides for acoustically feasible

positioning of the speaker. A metal base plate with a diameter of 245 mm gives sturdy support to the 5 kg stand.

Available in black or silver.

Teufel 2 x 4 mm2 speaker cable

The OFC copper cable with 2 x 4 cross sections gives an extremely stable connection and is, at the same time, practically created. Inconspicuous colours

(white casing) and high exibility through individual 0.08 qmm single wires guarantee an un-

complicated installation. This cable is offered as a roll in two lengths: 15 or 30 meters.

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Technical Specifications and Operating Manual

· LT 3 PE

General notes on speaker placement

Thanks to its unobtrusive aesthetics and sleek design, the Teufel LT 3 PE speaker system will easily blend into your living room. In order to achieve

the best possible audio quality from your Teufel

system, however, there are a few speaker placement rules to consider. These apply particularly to home theatre applications.

As a general guideline, any home theatre system should be concentrated around the viewing area, i.e., that part of the room that contains the TV/ screen and the main seating areas. If at all possible, the TV/screen should be placed centrally in relation to the viewing/listening spots.

Our speaker placement suggestions, shown over the next pages, are designed for the best possible multi-channel sound reproduction in your home. In the reality of your living room, of course, there may be other factors working against the suggested placements. While our recommendations represent the audiophile's optimum layout, minor variations in placement will generally not

signicantly affect the sound imaging. Modern

AV receivers also offer many options to electronically compensate for compromises in speaker placement. Always remember: Our recommendations are only to be considered a starting point. Ultimately, you will know best what works in your room, both visually and sonically. Trust your eyes – and your ears!

5.1 speaker placement

Centre

Since the centre speaker is responsible for all

spoken sound including lm dialogue, place the

centre speaker at a central location relative to the main listening area to unite sound and image. A good location is often directly above or below your TV or screen. You can also fasten the speaker directly to the wall using the mounting brackets on the rear (make sure to use suitable screws/wall plugs).

Front

The front speakers should be positioned similarly to conventional stereo speakers where they

form an equilateral triangle relative to the main

listening position. In a home theatre setup, the TV/screen should be positioned in the centre between the left and right front speakers (tower speakers L 330 FR). If you need to position the column speakers further away, make sure to orient them towards the main listening spot. Since they are magnetically shielded, you can even place the two front speakers in close proximity to a conventional CRT TV. Make sure that the centre speaker and the two front speakers are positioned in a straight line, or on a slight arc with the TV/screen. If the distance between the listening position and the speakers varies signicantly, the spatial imaging will suffer. Make sure to align your speakers properly to exploit their full potential.

Hint: The column speakers sound best when they are positioned close to a wall.

SW Centre FrontFront

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Technical Specifications and Operating Manual

· LT 3 PE

5.1 speaker placement

We recommend placing the subwoofer in the grey front area.

The best default positions are

indicated by “A” and “B”.

We recommend

placing the rear speakers

somewhere in the

rear grey area.

Subwoofer

At the recommended crossover frequency of 100

or 120 Hz, the subwoofer can be positioned in the

room very exibly without affecting the output

from the other loudspeakers. The ideal position is somewhere along the axis between the two front speakers, but you should feel free to experiment with placing it anywhere you like. Since the subwoofer is magnetically shielded, you can even place it near a CRT TV. However, you should never use it as a “TV table” since the bass vibrations may gradually move the TV until it slips off, which could severely damage both units and possibly cause injury.

Rear

Position the left and right rear speakers either to the side of or behind the main listening spot.

The rear speakers should always be at least 1 m away from the listener. If they are any closer to the listening spot, make sure that the front of the speakers is not directly pointed at the listener but towards the centre of the room.

RearRear

A A

B B

RearRear

SW Centre FrontFront

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Technical Specifications and Operating Manual

· LT 3 PE

Connecting

You can connect the LT 3 PE system to any modern Dolby Digital/DTS 5.1/6.1/7.1 AV receiver. If you own a 7.1 AV receiver, simply ignore the Rear Centre Out(s).

If your receiver is 5.1, connect the front, centre and rear speakers as shown in Fig. 1.

Connect the subwoofer output (Sub Out) of your Dolby Digital/DTS AV receiver to the right Line Input of the subwoofer using a mono RCA cable as shown in Fig. 2. In this setup, the left input (Line Input L) is not connected. If you want to feed the Sub Out signal to both of the subwoofer's inputs for an additional bass boost, use a Y adapter (see Accessories, p. 6).

Connecting the loudspeakers to an AV surround receiver.

Note:

The four passive column speakers

of the system are tted with

identical drivers with the same technical data. Hence, these column speakers can be used as front or rear speakers.

Front, centre and rear speakers

Fig. 1

Subwoofer

Fig. 2

RCA line output

AV receiver

Sub Out

RCA line input

Input R

Subwoofer

AV receiver Speaker output

Teufel

connection panel

L 330 FR Front loudspeaker left

L 330 FR

Front loudspeaker

right

L 330 FCR

Centre speaker

L 330 FR Rear speaker left

L 330 FR

Rear speaker

right

Subwoofer RCA line input

L 4200 SW

Active Subwoofer

Page 10

Technical Specifications and Operating Manual

· LT 3 PE

Settings · Controls

Setting up the AV receiver

To take full advantage of your LT 3 PE Home Theatre System with Active Subwoofer, set the “Speaker Setup” section (Bass Management/Speaker Management) of your AV receiver to “small” or “normal” (not “large”) for the ve satellite speakers. This ensures that each speaker receives the right amount of signal, and that the subwoofer and front speakers have matching volumes. Also in the receiver's “Speaker Setup” section (Bass Management and/or Speaker Management), make sure the subwoofer is set to “On”. Set the crosso-

ver frequency for the Columa 900 system to 100

Hz (or 120 Hz.)*

Setting up the subwoofer

If your system is based around an AV receiver, set the subwoofer's Low Pass/Full Range switch to “Full Range”; the AV receiver automatically determines the crossover frequency. Modern AV receivers determine the subwoofer's phase automatically. This happens within the receiver's “Speaker Setup” utility, which analyses the distance between the different speakers and the listening spot. For this to work correctly, the subwoofer's own phase switch needs to be on “0°”.

If your system uses an older-model AV receiver

or another type of amplier without a setting for

the subwoofer distance: The “Phase” control lets you adjust the subwoofer to the satellite speaker so that the membranes of all the speakers vibrate in the same direction (“phase”) when reproducing signals around the crossover frequency. If the phase is set incorrectly, this may cause a reduced bass response or even bass cancellations.

If the subwoofer is positioned between the front speakers, we recommend a phase setting of “0°” (grey area in the diagram on page 8); if the subwoofer is positioned closer to the listening spot, a phase of “180°” may be more appropriate. Similarly, the “180°” setting may help to eliminate bass cancellations if you position the subwoofer in other areas of the room. Always set the phase control to the position where the bass response is best. In order for the subwoofer's phase switch to be active, the Low Pass/Full Range switch needs to be set to “Low Pass”.

The subwoofer's output setting may vary slightly depending on usage, e.g., home theatre sound

system or music playback. Whereas an actionpacked DVD typically contains very dened sub

bass signals, many music-only sources do not . This is especially noticeable if your system is cali-

brated for optimum DVD playback. To nd the best

compromise between differing sound sources, use your own subjective judgement.

Our recommendation is to determine the best subwoofer volume gradually over time. Avoid conguring the subwoofer volume automatically via your AV receiver's integrated room analysis computer (advanced receivers only). Instead, set the subwoofer level provided in the Bass Management/Speaker Management section (“Speaker Setup”) to a high value, such as +8 to +12 dB; this will guarantee that the subwoofer activates itself at the right times when in “Auto On/ Standby” mode. You can then use the subwoofer's own level control to experiment with different bass levels that are suited to your various listening scenarios

* Either of the

specied crossover

frequencies can be used.

Try both to nd out which

sounds best to you.

Page 11

Technical Specifications and Operating Manual

· LT 3 PE

Subwoofer controls

Low Pass – Full Range

With the switch on “LOW PASS”, the built-in controls

for “Phase” and “Frequency” are

activated.

With the switch on “FULL RANGE” (recommended

setting), these parameters are controlled by the AV receiver.

Level

Use the “LEVEL” control to adjust the subwoofer's volume. In the receiver's bass management section, set the bass level to a high value, i.e., between 8 and 12 dB. Next, set the subwoofer's level control to 10

o'clock. While the AV receiver is outputting its white

noise setup signal, slowly turn up the subwoofer level to the desired volume.

Phase

This switch determines the phase relationship between the subwoofer and the front/centre speakers. If the subwoofer is positioned in the speaker setup as indicated on p. 8 (grey area of drawing), set the

phase to 0°. With other setups, the 180° setting may

produce better results.

Frequency

Use this control to set the crossover frequency between the subwoofer's bass signal and the bass fre-

quencies of the other speakers. If you are using an AV receiver, set the receiver's crossover frequency

to 100 Hz or 120 Hz, and turn the subwoofer's fre-

quency control to maximum (hard right).

High Level In/Out

Use these speaker sockets to connect the subwoofer to a conventional stereo amplier without a dedicated subwoofer output. Do not connect anything here if you are using a multi-channel AV receiver with a Sub Out.

Power

“OFF” means that the subwoofer is switched off (LED

does not light up). “ON” means that the L 4200 SW

is operational (LED colour is red or green, depending on R)

{

Mains power socket

Plug in the power cable here.

}

Fuse

This is where the mains power fuse is located.

Power LED

The power LED on the cabinet's front panel indicates the subwoofer's operating mode. Also see R.

Line Input

Connect the AV receiver's “Sub Out” to the subwoofer's “Line Input” using a mono RCA cable (optionally with an additional Y adapter).

Line Output

Here, you can connect a second subwoofer for added

bass or to compensate for resonant frequencies in

the room.

Auto

The subwoofer provides two operating modes. With the switch set to “ON”, the subwoofer is permanently on and playing back the audio signals from its line input (LED is green).

With the switch set to “AUTO”, the subwoofer is in

automatic triggering mode. This means that the subwoofer only activates once it detects a signal at its line input (LED is green). After 20 minutes of inactivity, the subwoofer automatically switches itself off again (LED is red).

What the icons mean

The lightning/arrow symbol inside an equilateral triangle informs the user about the possibility of a dangerous, non-isolated electrical current inside the device housing, indicating the risk of electrical shock.

The exclamation mark within the equilateral triangle, which can be seen on the back of the unit, indicates that there is important operating and service information for the user to read.

This product complies with the following European Union guidelines: 2004/108/EC and 2006/95/EC.

The “wastebin” symbol printed

on the type plates and amplier labels of our products signies

that Lautsprecher Teufel ensures the proper disposal of its sold loudspeakers and subwoofers according to Germany's Electrical and Electronic Equipment Act.

All metal parts which could cause a voltage error during operation or maintenance must be connected to a ground line. Additionally, protection class I devices must be connected to a protective conductor.

Attention:

The separating equipment of this equipment is the mains plug, this separating equipment must be usable without

difculties.

}

{

Page 12

Technical Specifications and Operating Manual

· LT 3 PE

Problems and solutions · Cleaning

If you have any questions, suggestions or criticisms, please contact our support team:

No responsibility can be accepted for the correctness of this information. Subject to technical changes. Errors and omissions excepted.

Lautsprecher Teufel GmbH Gewerbehof Bülowbogen · Bülowstrasse 66 10783 Berlin · Germany

Ph.: 00800 200 300 40 Fax: +49(30) 300 930 930 www.teufelaudio.com

If neither of the operating modes is available, (LED

is off) after you have switched on the

power switch please replace the fuse

}

. Make sure that the replacement fuse has the same rating as defective fuse.

If the LED on the front panel lights up after you switch on the

power switch, proceed as follows: Set the switch R to “On”, turn the subwoofer volume level all the way down,

unplug the sub-

woofer's RCA cable from the amplier,

turn up

the volume slightly and touch the tip of the RCA

connector with your nger. If this produces a hum or crackle, the fault is with the amplier or the amplier

settings. If the subwoofer remains com-

pletely silent, please contact our support team.

The subwoofer is making a humming noise

Hum may be caused by any connected audio device as well as by problems with the mains power. In most cases, excessive hum is caused by one of the following:

The subwoofer is connected to a different

electrical circuit

than the other components. Make sure that all the connected devices are powered from the same electrical circuit, i.e., the same mains socket.

2. The antenna connected to the audio sys-

tem or TV

has a different ground potential than the antenna socket. To test this, simply disconnect all the antenna cables from the wall socket. If this makes the hum disappear, you will

need a ground breaker, which is available from most electronics stores for 5 to 10 euros. Simply insert the ground breaker between the antenna socket and the TV/receiver.

3. A line lter (to be purchased separately)

can

also be useful for hum removal. Note that

you will need to connect all your electrical de-

vices to the line lter.

4. Some types of power multiboxes are also

known to produce hum. Try eliminating your multibox and plug the subwoofer's power cable directly into the mains socket.

5. Unplug the mains cable, rotate the connec-

tor plug by 180°,

and plug it back into the

mains socket.

6. If you have trouble locating the source of

the hum,

check whether the subwoofer is less noisy when you plug it into the mains connection in another room. Also, try disconnecting the subwoofer's RCA cable from the receiver to see whether the hum is caused by one of the other connected devices.

The subwoofer is not activating automatically when in “Auto ON” mode

Some AV receivers default to a very quiet bass output on the Pre Out/Sub Out. As a result, the subwoofer fails to activate, as the weak signal does not cross its signal detection threshold. In order for the subwoofer to correctly activate/deactivate when in “Auto ON” mode, set

the subwoofer's own level control quite low (e.g.,

10 o'clock position) and increase the receiver's subwoofer output level in the “Speaker Setup” section – set it to the maximum value (+10 dB or +12 dB), if necessary. This should resolve any issues with the automatic signal detection. If it does not, you can always run the subwoofer in the regular “ON” mode, where it is permanently on.

The subwoofer is not working

Auto·On

220–240 V, Fuse T3.15AL/250V

220–240V~50 Hz 360 watts

Off

Power

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