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ENGLISH
Complete Bi-Amp Connection
Enhance the connection 2, by having one more control Amp.
SC-7S1, this is a wiring <Complete Bi-Amp connection> which
separates Mid / High (MF/HF) signal and Low (LF) signal from
Pre-Amp section.
In this event, SC-7S1 is used as Monaural Amps. And sepa-
rate Left/Right channels from output terminal of CD players.
As a result, influences between L channel and R channel Mid
/ High signal and Low signal will be eliminated.
By connection with remote cabel, maiximamly 6 pcs can be
interlock operated.
Caution
In the event of setting mode switch as <Bi-Amp>, B chan-
nel input terminals cant be used.
Balanced terminal
q The balanced output connector uses a XLR connector.
w The XLR connector for professional use is internally
wired in either of the following two systems.
1. USA system (Pin 2 = COLD, Pin 3 = HOT)
2. European system (Pin 2 = HOT, Pin 3 = COLD)
e The MA-9S1 uses the USA system of 1.
When a preamp or main amplifier adopting the European
system is connected using a cable with XLR balanced
connectors, the reproduced signal may be inverted of
phase.
In this case, correct the wiring of the one of the XLR con-
nectors on the extremities of the cable to the USA system
by exchanging the connections of pins 2 and 3. This will
make it possible to play the signal with the correct phase.
CD Player
Pre-Amp
Speaker system
Pre-Amp
Mid / High
speaker unit
Low speaker
unit
Power-Amp
Power-Amp
Complete Bi-Amp connection
21
3
HOT
GND
COLD
21
3
GND
COLD
HOT
This connection can have options i,e, In-between 2 Un-balanced terminals or balanced terminals are
possible to wire SC-7S1 with MA-9S1.
4. Connections
13


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