Bedienungsanleitung Teufel Motiv 5 (Seite 19 von 24) (Englisch)

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Teufel · Motiv 5

“The subwoofer is buzzing”

The Motiv 5 has a powerful transformer and a

generously proportioned power pack that deliv-

ers high-output performance. These components

can create a very quiet, unobtrusive buzzing

sound that can be heard a short distance from

the back of the subwoofer in quiet rooms if there

is no signal present. During operation this mini-

mal buzzing will disappear as it is masked by the

sound output.

On the other hand, if the buzzing can clearly be

heard from a distance of more than a metre and/

or can also be heard from the satellites, there is

possibly a defect, – assuming the subwoofer is

not touching other appliances. In some cases, it

could come from connection to other appliances,

through equalizing currents that are caused by

different casing potentials or similar. Please read

the following instructions for a solution to the

latter case:

1. The subwoofer is connected to a different

power circuit from the rest of the equipment.

Ensure that all linked appliances (including

the PC if connected) are connected to a sin-

gle power circuit or plug.

2. The aerial connected to the equipment or TV

has a different ground potential to the socket.

To test this, simply remove all aerial cables

from the wall socket. If the interference stops,

you need a sheath current filter (available from

electronics retailers). It is inserted between the

aerial socket and the TV or receiver.

A separately purchased mains filter, to which all

appliances must be connected, may be useful in

eliminating the interference. Please negotiate a

right to return for the filter, in case it does not

lead to positive results.

4. Occasionally, a multiple plug strip proves to

be responsible for creating buzzing noises.

To test this, disconnect the plug strip and

plug the subwoofer’s mains plug directly into

a wall socket.

5. You can also try turning the mains plug

around and inserting it into the socket the

other way up, inasmuch as your mains plug/

socket allows this.

6. In order to better localise the cause of the

buzzing, check whether the subwoofer oper-

ates without buzzing on a power circuit in

another room (e.g. using an extension lead).

You should also try disconnecting the cinch

connection between the subwoofer and the

PC/DVD player/receiver in order to exclude

the influence of connected components.

7. It can be useful to create an additional earth

by fixing a cable (e.g. speaker cable) to the

metal screw of the power amplifier and fixing

the other cable end e.g. to the heating pipe or

PC casing.

“There is no sound – neither from the

satellites nor from the subwoofer”

Please check to see if the LEDs on the front of

the subwoofer display

are illuminated; if not,

change the fuse, as it is

possible that the fuse in

the subwoofer has burnt

out – possibly as a result

of a power surge. The Mo-

tiv 5’s fuse compartment

is located underneath the

IEC power connector (see illustration of page 17,

item ). Use a small screwdriver to lever this out,

exchange both of the fuses and then return the

fuse switch to the fuse compartment. The sub-

woofer should now work - if it does not contact

other devices.

“The subwoofer doesn’t start in auto-standby

mode – or goes into standby too quickly”

Please check whether the level set in the speaker/

bass management for the feed device (DVD player,

sound card, receiver) is at a high value of around

+4 dB to maximum. The higher this value, the

earlier the subwoofer will start. Is the switch on

the back of the subwoofer in the middle setting

“auto”? During receiver operation: Is the sub-

woofer out-cinch cable from the receiver con-

nected to the front in R on the subwoofer?

Frequently asked questions

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