la 4440 killer amplifier, transistor amplifier
components list
Item Quantity Reference Part
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1 2 C1,C11 2200U
2 2 C2,C10 47u
3 3 C3,C5,C7 1u
4 1 C4 100p
5 1 C6 5n
6 2 C8,C12 15n
7 1 C9 100n
8 2 D1,D6 1N965A
9 4 D2,D3,D7,D8 d
10 2 D4,D5 D1N4148
11 1 J1 CON5
12 1 J2 CON3
13 1 J3 CON2
14 1 J4 CON6
15 1 Q1 2sa1941/1943 (100w/150w)
16 1 Q2 BD139
17 1 Q3 BD140
18 1 Q4 2sc5198/5200 (100w/150w)
19 2 R1,R25 2.2k
20 2 R2,R22 56k
21 4 R3,R8,R14,R24 420
22 2 R4,R23 47
23 2 R5,R21 1k
24 2 R6,R19 470
25 2 R7,R15 0.5
26 2 R9,R10 10k
27 1 R11 1.2k
28 1 R12 200
29 3 R13,R16,R20 100k
30 1 R17 1000k
31 1 R18 1.5k
32 1 U1 4558d
solder mask
https://drive.google.com/file/d/1_sm2asUqnYgDBsN646HnVf2Vf9B89Z29/view?usp=drivesdk
Copper top
https://drive.google.com/file/d/1pdTqvEuG6gghkukmw3OiSeXgBwJ6FFlp/view?usp=drivesdk
Assembly top
https://drive.google.com/file/d/1KGhs_Ivuycak3DOZHQBd8bjr6X3QRfKn/view?usp=drivesdk