Operation Manual

Example 4.
A 3-way component set.
The midbass connected to CH 1-2 with active
crossover.
The midrange and tweeters connected to
CH3-4 with passive crossover.
One subwoofer to CH5
NOTE!
The subwoofer output is 2 ohm stable. Two 4 ohm
subwoofers can be connected in parallel.
12
Speaker wiring RA50
RA50
HP-filter: in OUT position the amplifier allows the
speakers to play fullrange. If you for some reason
want to limit the low bass reproduction switch IN
the HP-filter. The typical setting is then around 60 –
80 Hz.
LP-filter = IN, setting 400 Hz, or use your own
setting.
Bottom plate LP-filter switch: position x1
Filter settings CH1 - CH2
Mid bass
Midrange
Filter settings CH5
-
+
+
+
-
-
+
+
-
-
Filter settings CH3 - CH4
LP-filter: 60-80 Hz
Subsonic filter: position IN
For GRAND BASS and PHASE settings,
see page 8.
Filter
box
Filter
box
+
+
-
-
Tweeter
HP-filter: in IN position, setting 80 Hz ( x5 = 400
Hz), or use your own setting.
Bottom plate HP-filter switch: position x 5
This setting gives a high pass crossover point at
400 Hz, or use your own setting.
+ - + -