Harman Kardon CXO-1 - ELECTRONIC CROSSOVER AND MULTIPLE AMPLIFIERS

Don’t be daunted by all the boxes A,B, and C in the block diagram).
and dotted lines. The signal path is Each of these sections have many
relatively simple. You’re really look- functions in common. These are
ing at three different electronic labeled Parts 1-7.
components: One each for front, rear
and subwoofer speakers (labeled
5 | Filters 6 Level Controls LT Outputs
—_—
a
$F
Front
ti
out
fom
=
@
——
pei
ecssice.
—_—_—_
Ban)
Front
Mid
/Low
Out
-
A
> Fin as | Rear Hi Out
CE
5 <—
——> Esc, <> Bett $$ Rear Mid /Low Out -
B
x
Lud
Li.
©
- Low Pass Filter ©
Subwoofer Out =
Mono Subwoofer Out oa
—_)
Inverting Sp)
Circuit B inverted Mono
Subwoofer Output Subwoofer Out
from other channel C