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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, indicate that
there is important operating
and service information
for the user to read.
This product complies with the
following European Union
guidelines:
89/336E WG and 73/23 EWG.
The "wastebin" symbol printed
on the type plates and amplifier
labels of our products signifies
that Lautsprecher Teufel
ensures the proper disposal of its
sold loudspeakers and
subwoofers according to
Germany's Electrical and
Electronic Equipment Act.
Teufel·Theater 3 Hybrid
14
M 320 F Controls
M 320 F rear panel
Q
W
R
T
Q Auto – On
With this switch, you can select whether the sub-
woofer is on permanently ("On") or only when a
signal is detected ("Auto"). In "Auto" mode, the
LED (4) is initially on green, and the subwoofer
is running. After a period of inactivity for 10–15
minutes, the subwoofer reverts to standby mode,
and the LED is red. As soon as the subwoofer de-
E
tects a signal from the amplifier/receiver, it re-
sumes operation, and the LED is green again.
W Stereo Amp – AV Receiver
With this switch, you can configure the loud-
Y
speaker's internal circuits according to input
source – "Stereo Amp" for a conventional stereo
signal, or "AV Receiver" for a multi-channel sur-
round signal with filtering and polarity predeter-
mined by the receiver.
U
E Bass Level -3dB/0 dB/+3 dB
This switch controls the balance between the
active bass signal and the passive midrange/
tweeter signal. The bass level can be increased
by +3 dB or reduced by -3 dB. If you do not want
to change the balance, leave the switch at "0 dB" .
I
This switch is useful to adapt the speaker's fre-
quency balance if you are feeding it a conven-
tional stereo signal. Multi-channel amplifiers
usually have their own controls for adapting the
subwoofer level, so in this case you should be able
to leave the switch at "0 dB" .
R Power
This LED indicates the operational status:
LED on = unit on. LED off = unit off.
T Line In
Connect the AV receiver's "Sub Out" to the sub-
woofer's "Line input" using a Y adapter and a
mono RCA cable.
Y High Level In
These inputs are connected to the M 320 F's pas-
sive midrange/tweeter unit. Plug in the speaker
cables coming from the AV receiver's Front
Speaker outputs(L/R) here.
U Power
Switch to "On" to power up the subwoofer; switch
to "Off " to power it down.
I Fuse
This is where the mains power fuse is located.
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