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TOA a-503a Supplementary Manual

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TOA Electronics 
Amplifier Guide
4õ
  8
  8õ
VOL
VOL
REMT
REMT
OUT
OUT
IN/
IN/
BRG
BRG
OUT
OUT
AMP
AMP
PRE
PRE
IN
IN
AMP
AMP
PWR
PWR
OUT
OUT
AUX
AUX
MUTE
MUTE
1
MUTE
MUTE
2
GND
GND
60W
60W
60Hz
60Hz
120V
120V
COM
COM
DIRECT
DIRECT
25V
25V
70V
70V
UNSWITCHED AC 120V 60Hz
UNSWITCHED AC 120V 60Hz
MAX 500W 4A
MAX 500W 4A
AC
AC
PROTECT
PROTECT
POWER
POWER
PEAK
PEAK
NORMAL
NORMAL
SIGNAL
SIGNAL
MASTER
MASTER
ON
ON
OFF
OFF
TONE DEFEAT
TONE DEFEAT
TREBLE
TREBLE
BASS
BASS
INPUT 8
INPUT 8
INPUT 7
INPUT 7
INPUT 6
INPUT 6
INPUT 5
INPUT 5
INPUT 4
INPUT 4
INPUT 3
INPUT 3
INPUT 2
INPUT 2
INPUT 1
INPUT 1
ON
ON
OFF
OFF
LOW CUT
LOW CUT
OFF
OFF
ON
ON
PROGRAM
PROGRAM
10
0
MIC
MIC
0
TEL
TEL
10
0
10
10
10
10
0
AUX
AUX
0
10
10
MODULE
MODULE
SIGNAL
SIGNAL
POWER
POWER
ON
ON
OFF
OFF
PEAK
PEAK
HOT
HOT
COM
COM
120V     60Hz
120V     60Hz
120V     50Hz
120V     50Hz
UNSWITCHED
UNSWITCHED
150W
150W
MAX 500W
MAX 500W
CLASS 2 WIRING
CLASS 2 WIRING
PROGRAM
PROGRAM
OUTPUT 120W
OUTPUT 120W
COM
COM
4õ
OUTLET
OUTLET
4A
4A
BREAKER
BREAKER
G
COM
COM
70V
70V
25V
25V
8õ
OUTPUT 1W
OUTPUT 1W
RESET
RESET
PUSH
PUSH
HOT
HOT
G
TEL
TEL
COM
COM
10
10
NC
NC
RESET
RESET
MUTE
MUTE
COM
COM
MOH
MOH
600
600õ
G
MIC
MIC
COM
COM
UNIT
UNIT
G
4A
4A
BREAKER
BREAKER
HOT
HOT
PUSH
PUSH
OUTPUT 1W
OUTPUT 1W
0
-
+
0
SENSE
SENSE
BASS
BASS
0
10
10
AUX
AUX
PREAMP
PREAMP
10
10
MOH
MOH
0
-
+
OUT
OUT
MUTE
MUTE
TREBLE
TREBLE
A
0
B
POWER
POWER
IN
IN
MODULE
MODULE
PAGE
PAGE
BGM
BGM
COM
COM
HOT
HOT
INPUT LEVEL
INPUT LEVEL
LOW CUT
LOW CUT
-20dBV
-20dBV
OFF
OFF
ON
ON
INPUT
INPUT
DC FUSE
DC FUSE
DC FUSE
DC FUSE
250V 8A
250V 8A
250V 8A
250V 8A
250V 7A
250V 7A
AC FUSE
AC FUSE
S.
R
LISTED
LISTED
COMMERCIAL
COMMERCIAL
AUDIO EQUIP.
AUDIO EQUIP.
111J
111J
OU
0dBV
0dBV
NOR
PO
OFF
ON
OUT
OUT
IN/
IN/
BRG
BRG
OUT
OUT
AMP
AMP
PRE
PRE
IN
IN
AMP
AMP
PWR
PWR
OUTPUT 1W
OUTPUT 1W
-
+
0
BASS
BASS
0
10
10
AUX
AUX
PREAMP
PREAMP
MOH
MOH
-
+
OUT
OUT
MUTE
MUTE
TREBLE
TREBLE
A
0
B
POWER
POWER
IN
IN
MODULE
MODULE
PAGE
PAGE
BGM
BGM
4õ
  8
  8õ
VOL
VOL
REMT
REMT
MUTE
MUTE
1
MUTE
MUTE
2
GND
GND
60W
60W
60Hz
60Hz
120V
120V
COM
COM
DIRECT
DIRECT
25V
25V
70V
70V
UNSWITCHED AC 120V 60Hz
UNSWITCHED AC 120V 60Hz
MAX 500W 4A
MAX 500W 4A
AC
AC
        
Guide