8
7. REMOTE VOLUME CONTROL CONNECTION
The external volume control can remotely adjust the signal
level at post-master volume control. When performing the
remote volume control, adjust the master volume control in
advance noting that its setting limits the maximum signal level
adjustable with the volume control. Be sure to avoid turning
fully down the master volume control.
Notes
• Negative terminal should not be grounded. Never connect it
to the unit’s chassis nor other circuit ground.
• Only a volume control can be connected to these terminals.
Volume control
10 kΩ (linear-taper)
REMOTE
VOLUME
+-
6.3.2. Bridge output connection
BRIDGE OUT
10kΩ
HE
E
H
Other power amplifier’s Line input
6.3. Output Connections
6.3.1. Speaker connections
Each amplifier has 3 speaker outputs: 4 Ω, 25 V, and 70 V. Use only one of these outputs for connection.
Class 2 wiring may be used.
Note: Impedances in the figures below represent total speaker load impedance.
70 V LINE
Total impedance
140 Ω (BA-235)
83 Ω (BA-260)
25 V LINE
Total impedance
18 Ω (BA-235)
10 Ω (BA-260)
Speaker output terminal
COM 4 Ω
Speaker output terminal
COM 25 V
Speaker output terminal
COM 70 V
4 – 16 Ω 70 V Line25 V Line
The terminals marked with the symbol are hazardous live.
The external wiring to these terminals requires installation by an
instructed person.
WARNING
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