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8 7 6 5 4 3 2 1




R224 3K3
R223 3K3




R232 470
+TERT




KTA1023
KTA1023
VCC
U31A NJM4560L HPF(40Hz to 4KHz) RH33 33K
SUB SONIC(20Hz 18dB/oct)




4
U32A NJM4560L
F- MU




4




2




Q107 IRF540




Q109 IRF540




R145 10K
F-




2




2
Q204
Q205
C301 R301 22K VH31A




R303 27K
1_IN_A 3 C305 10/50 C307 10/50 RH31 270 50K/4 RU34 18K2F FLAT




VS31A 20K/2
+




C303 56p




3
1 3 3 1 R225 150 C223 222M




R308 10K
+




4
10/50 2 1




Q101 KTC3198



Q102 KTC3198
-




C306 102




Q110 KTC3200
8




1

3




1

3
2 -
U33A R135 10




8
NJM4560M F- U37B HPF 2 SW31A
F+ CH31 104M CH32 104M NJM4560M SK-24D03




RH32 560
F+ 3 +
CU33 334M CU34 334M R137 10




RU33 40K2F
R304 27K R218 3K3




R141 0R1/5W
2 1 5 3 1




R139 0R1/5W
+
R310 15KF 2 7 LPF 4 6 R142 10K




10K
-




R307 910




R222 150
1




8
6 -




R226 150




R231 620




0.1/50
C124
F+




8




3
C302 R302 22K C304 56p 5 BPF
82




R311
1_IN_B R309 C308 150p R230 15K
D OFF ON D

10/50 7 9
R305




3K01F




Q203 KTC3198
VH31C 50K/4 C222 47p
2 1
CL31 124M
RU32 18K2F LPL LEVEL
SW32A




47/25 R229
5




2




4
U34A DS2C2P R221 1K




Q106 IRF540




Q108 IRF540
1K5
F- CONT




4




2




2
NJM4560L
U37A
R306 8K2 RL31 511F RL32 511F NJM4560M F-




CL32 563M
R319 47K
1_OUT_A 6 4 1 3 3 +
CU31 334M CU32 334M




RU31 40K2F




R227 511F
1 3 +




1

3




1

3
LPF(40Hz to 4KHz)
VL31B 50K/4 VL31A 50K/4 2 - 1 L_BASS1 R134 10




8
2 -




8




C221
F+ L_BASS2 R136 10
F+




R140 0R1/5W