RM30
For power wiring, see page 4
For high or low level input wiring, see page 5
11
The high pass filter blocks
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.
Set the switch to position
ON to connect the filter, or
in postition OFF if you
don’t want to limit the
frequency range.
Filter settings sub mono channel, CH3 + CH4
Speaker connections to RM30
Two full-range speakers to front channels CH1, CH2
Filter settings front channels, CH1 + CH2
One or two subwoofers to the sub mono channel
(CH3 + CH4).
Each speaker min 4 ohm impedance
4 ohm
sub
4 ohm
sub
NOTE!
Minimum amplifier load is two (2)
ohm. You can connect two 4 ohm
subwoofers or a single 2 ohm
subwoofer to the amplifier.
NOTE!
The speaker terminal has dual
+ and - for easier connection
if you have more than one
subwoofer. They are internally
connected in parallel and can
not be bridged.
Two full-range
speakers, coaxial or
component,
connected to left &
right channel.
NOTE!
Minimum amplifier
load is 2 ohm, lower
impedances may
damage the amplifier.
PHASE switch:
The phase can be adjusted in either
0 or 180 degrees. This is used to get
the best possible ”front stage” from
the subwoofer.
PHASE
0
180
o
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.
70
120
90
50
Hz
LPF
HPF
Off On
90 Hz
150 Hz
120 Hz
50 Hz
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