3. Two subwoofers or stereo speakers brid-
ged to S4.
Filter settings front channels CH 1 / 2
S4 speaker wiring
Filter settings rear channels CH 3 / 4
For power wiring, see page 3-4
For high or low level input wiring, see page 4
One 4 ohm subwoofer or speaker connected
to channels 1 / 2 and one 4 ohm subwoofer or
speaker connected to channels 3 / 4.
The low pass filter is
mostly used for sub-
woofers. It will allow low
frequencies only and
blocks higher frequen-
cies. A typical setting is
60 – 70 Hz.
Set the push button to
ON
and the
HPF / LPF
button to
LPF (button IN)
to activate the filter.
When the S4 is used for bridging a stereo speaker
pair set use only the
HPF
filter. Set the push button
to
ON
and the
HPF / LPF
button to
HPF (button
OUT)
to activate the filter, or
OFF
if you want to
run the amplifier in full range mode without limiting
the frequency range.
Adjust with the
HPF control
after your own taste,
a normal setting is 50-70 Hz.
S4
4 ohm
+ -
4 ohm
+ -
9
Summary of Contents for Signature S1
Page 1: ...USER MANUAL ...
Page 16: ......
