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Toa BA-235 User Manual

Toa BA-235
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11
Volume control knob
YA-920 Volume control cover (accessory)
1
2
3
12. VOLUME SETTING
Output levels are adjustable with the Master volume control. For music play or announcement, adjust the
volume control so that the signal indicator lights intermittently. Note that the sound quality is downgraded
when the peak indicator remains lit.
13. VOLUME CONTROL COVER
To prevent the accidental change of the Master volume
control setting on the front panel, it is recommended to
replace its control knob with the supplied YA-920 Volume
Control Cover. Follow the procedure below for its
replacement.
Step 1. Remove the control knob.
Step 2. Adjust the Master volume control (without knob)
to an appropriate level.
Step 3. Attach the YA-920 onto the control.
14. BLOCK DIAGRAM
POWER AMP
SPEAKER OUT
AC120 V 60 Hz
POWER
SUPPLY
FOR
POWER AMP
70 V LINE
LINE IN
10 kΩ
H
E
MASTER
25 V LINE
4 Ω
COM
OT
TONE CONTROL
BASS TREBLE
PT
POWER
SUPPLY
FOR
PRE AMP
RELAY
BREAKER
SIGNAL
PEAK
POWER
BRIDGE OUT
10 kΩ
H
E
POWER
SWITCH
FUSE
VCA
REMOTE
VOLUME
+
INPUT
LEVEL
+4 dB
0 dB
THERMOSTAT
(ON HEATSINK)
MUTE
CONTROL

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Toa BA-235 Specifications

General IconGeneral
BrandToa
ModelBA-235
CategoryAmplifier
LanguageEnglish

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