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PB-4120
System setup
The following is a typical constant voltage system setup for a small restaurant using the Jam industry Preamplifier
power amplifier along with an S zone feeding several audio zones with paging and music. The first two channels
are connected to four wall-mounted speakers in each of the Dining Rooms with their transformers set to a 25 watt
tap. The third channel powers two speakers in the outside Bar area with their transformers set to 50 watt. The fourth
channel powers small speakers in the lobby with a 12 watt tap.
~ AC INPUT
100~240V 50/60Hz, 118W
SPEAKER OUTPUT
WARNING
CAUTION
DO NOT EXPOSE
FOR CONTINUED
CH 2
CH 1
THIS EQUIPMENT
PROTECTION AGAINST
TO RAIN OR
RISK OF FIRE, REPLACE
MOISTURE
ONLY SAME TYPE FUSE
AVIS
ATTENTION
RISQUE DE CHOC
UTILISER UN FUSIBLE
ELECTRONIQUE NE
DE RECHANGE MEME
PAS OUVRIR
TYPE
100 V
70 V
22 V
100 V
70 V
22 V
(83 )
(41 )
(4
)
(83
)
(41
)
(4
)
CH 4
CH 3
PB-4120
PUBLIC ADDRESS POWER AMPLIFIER
100 V
70 V
22 V
100 V
70 V
22 V
(83
)
(41 )
(4
)
(83
)
(41 )
(4
)
DESIGNED AND ENGINEERED IN KOREA
PM-10/2
HPF
ADJUST
HPF
ADJUST
HPF
ADJUST
400Hz
400Hz
400Hz
OFF
ON
OFF
ON
OFF
ON
-12
dB
0
-12
dB
0
-12
dB
0
LINK
LINK
LINK
CH 4
4
CH 3
3
CH 2
2
INPUT
INPUT
INPUT
HPF
ADJUST
400Hz
OFF
ON
-12
dB
0
LINK
CH 1
1
INPUT
System setup
7
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