RM20
Speaker connections to RM20
Two full-range
speakers, coaxial
or component,
connected to left
& right channel.
One 4 ohm
subwoofer
connected in
bridge mode
to the outer
connections of
the speaker
terminal.
10
For power wiring, see page 4
For high or low level input wiring, see page 5
NOTE!
Minimum amplifier load in stereo is 2 ohm, lower
impedances may damage the amplifier.
NOTE!
Minimum amplifier load in bridge mode is 4 ohm.
This connection gives a 2 ohm load with a 4 ohm
subwoofer (the load is halved when connected in
bridge mode).
The low pass filter is
mostly used for
subwoofers. It will allow
low frequencies only and
blocks higher frequencies.
A typical setting is 50 –
70 Hz.
The Subsonic filter
blocks the very deepest
frequencies from reaching
the subwoofers. It can be
set from 15 to 150 Hz and
can be switched on / off.
A typical setting for
subwoofer use is 25-30
Hz
The high pass filter can also be used to block very
low frequencies from reaching the speakers. It is
mostly used at say 60 Hz to protect small speakers
( like 6 inch and smaller ) from deep bass.
LPF
OFF ON
80
500
200
50
Hz
Filter setting LPF low pass filter
HPF
Off On
50 Hz
500 Hz
220 Hz
15 Hz
4 ohm
BASS EQ
0
+6
dB
BASS EQ is used to increase the bass
volume at a low frequency.You can
select the amplification between 0 dB (
no amplification ) and +6 dB ( full
amplification ) at 80 Hz center frequency.
This function is used to compensate for
the bass function on your front system
and adjust for your own taste of bass.
Set level control at 0 dB if you want it to
be inoperative.
BASS EQ
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