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Guitar Input Jack
Guitar Volume Control
EQ Switch
Bass Control
Treble Control
Volume Control
- /
Line In Aux Audio Input
EQ Control
Mode Control
Next Control
USB/SD Jack
Play /Pause Control
17
18
19
20
21
23
Speaker Board Schematic
1
GUITAR.IN
GUITAR.VOL
Min
22
MIC.1
16
17
18
19
20
21
22
23
2
4
5
3
VOLUME
BASS
TREBLE
EQ
Max
0
10
0
10
ON
OFF
Min
M.VOL
M.ECHO
8 8 8 8
0
10
0
10
CH-
SCAN
MIC.2
USB
15
13
11
14
12
Prev Control
Echo Control
Mic Volume Control
Mic Input Jack
Metal corner
Tweeters
Woofer Speaker
Vent Hole
Woofer confinement
Speaker handle
Speaker machine feet
6
7
LEVEL
dB -15 -10 -7
METER
Max
MASTER EQUALIZATION
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
CH+
-10
63
160 400
1K
SD/MMC
10
9
-4
-2
0
+1 +2
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
3K
8K 16KHz
8
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