Volume control settings, Block & level diagram, 0 dbv = 1 v – Toa A-230 CE-GB User Manual
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9. VOLUME CONTROL SETTINGS
Output levels are adjustable with individual volume controls. For music play or announcement, adjust the
corresponding volume control so that the signal output is not distorted.
Note that the sound quality is downgraded when the output is distorted.
10. BLOCK & LEVEL DIAGRAM
Power LED
Signal Level LED
OT
PT
Tone
Bass Treble
Mute Level
0 to –30 dB
MIC2
600 Ω, –60 dBV
Unbalanced
MIC1
600 Ω, –60 dBV
Unbalanced
DC
Fuse
AUX1
10 kΩ, –20 dBV
Unbalanced
AUX2
10 kΩ, –20 dBV
Unbalanced
AC Main
50 Hz
100 V
4 Ω
COM
AC
Fuse
+40
–60
–40
–20
+20
0 dBV
Aux
−20 dBV
Mic
−60 dBV
Mixing
–20 dBV
Pre-Amp
Output
0 dBV
Power Amp
100 V output
+40 dBV
0 dBV = 1 V
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