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CD-328
CD Changer Control
+
R
+
321QE/481QE
Coustic
Coaxial
Coustic
Coaxial
+
R
(crossover set to OFF position)
Front
Rear
CD-328
CD Changer Control
+
R
321QE/481QE
+
Coustic
Coaxial
Coustic
Subwoofer
+
R
(crossover: front set @ 100Hz Hi-Pass, rear set @ 100Hz Lo-Pass)
Front
Rear
Figure 7. Typical High/Low Pass System with one amplifier
CD-328
+
R
+
321QE/481QE
Coustic
Coaxial
Coustic
Coaxial
Coustic
Subwoofers
+
R
+
R
401SE
(crossover: front set to 100Hz Hi-Pass
rear set to 100Hz Hi-Pass)
Front
Rear
(crossover set to 100Hz Lo-Pass
Figure 8. Typical High/Low Pass System with two (2) amplifiers
Figure 6. Typical Full Range System
BI-AMPLIFICATION
A bi-amplified system normally consists of an active crossover and two amplifiers. The active
crossover divides the audio frequency spectrum into two ranges: frequencies below the crossover
point are directed to the amplifier driving the subwoofer(s), while all frequencies above the
crossover point are directed to the amplifier driving the mid-range/tweeters.