PHONO/LINE
BASS
TREBLE
CH4
CH3
CH2
10
0
10
0
10
0
10
0
10
0
10
0
10
0
10
0
CH1
MASTER
POWER
OFF
ON
-7
-5
-2
0
+2
-10
-13
-16
-21
ON
SP2
SP1
SP3 ALL
SPEAKER SELECTOR
SIREN
CHIME
PUBLIC ADDRESS AMPLIFIER
JPA-1120
LEVEL METER
1
12
11
10
9
2
3
4
13
8
7
6
5
F
RONT PANEL CONTROLS
1. POWER SWITCH
2. MASTER VOLUME
3. TREBLE
4. BASS
5. PHONO/LINE VOLUME
6. CH2~4 VOLUME
7. CH1 VOLUME
8. CH1 INPUT JACK
9. CHIME SWITCH
10. SIREN SWITCH
11. SPEAKER SELECTOR
12. OUTPUT LEVEL DISPLAY
13. BLANK PANEL
Pressing this switch to ON will make the power indication LED ON and supply the power th this unit.
This control is used ofr adjusting the volume of fianlly mixed sound.
This control is used ofr adjusting the high frequency sound.
This control is used for adjusting the low frequency sound.
You can adjust the input of phono of line which is selected by the rear panel switch.
You can adjust input of MIC or line whichis selected by the rear panel switch of CH2~CH4.
You can adjust the volume level of MIC1.
This jack to insert MIC plug in case of employing MIC 1. The signal supplied to the mic is controlled by the volume of MIC1.
Pressing this switch. It will activate 4 tone chime circuitry.
Pressing these switches. It will activate constant or wavy siren circuitry.
These switches are used for connecting the output of amplifier to the speaker individually of totally.
These displays indicate the output level.
You can use this table type amplifier with digital tuner or cassette deck as a module type.
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