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STD Rectevator preamp small PCB

License: GPL 3.0

Mode: Editors' pick

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Update time: 2020-08-05 15:39:08
Creation time: 2019-11-14 06:26:21
Description
This is Alex-Z preamp. PCB was modyfied for 12ax7. Add leds under nix and fix PCB size. Original: https://www.youtube.com/watch?v=M-fVBIID6Aw
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ID Name Designator Footprint Quantity
1 1M R2,R6,R12,R28 AXIAL-0.4 4
2 1k8 R3,R8,R19 AXIAL-0.4 3
3 680k R4 AXIAL-0.4 1
4 39k R13 AXIAL-0.4 1
5 330k R15 AXIAL-0.4 1
6 220k R16 AXIAL-0.4 1
7 100k R20,R30,R31 AXIAL-0.4 3
8 47k R21,R26 AXIAL-0.4 2
9 1k5 R29 AXIAL-0.4 1
10 470k R11,R7 AXIAL-0.4 2
11 HDR-F-2.54_1x2 H1 HDR-F-2.54_1X2 1
12 1u 35v C2,C6,C10 CAP-D3.0XF1.5 3
13 1k R27,R33,R34 R0402 3
14 470nF C14 CAP-TH_L18.0-W8.5-P15.00-D1.2 1
15 100nF C15 CAP-TH_L18.0-W8.5-P15.00-D1.2 1
16 22uF 400v C1,C9,C13 CAP-TH_BD12.5-P5.00-D1.2-FD 3
17 SPDT-Switch On-On U4 ON-ON SWITCH 1
18 LED-TH-3mm_G LED1,LED2,LED3 LED-TH_BD3.0_GREEN 3
19 220k R1,R17 AXIAL-0.8 2
20 100k R10,R14 AXIAL-0.8 2
21 15k R18,R9 AXIAL-0.8 2
22 1M GAIN R32 RES-ADJ-TH_RK1631110U1Q 1
23 A1M BASS R5 RES-ADJ-TH_RK1631110U1Q 1
24 B20k MIDDLE R23 RES-ADJ-TH_RK1631110U1Q 1
25 A250k TREBLE R24 RES-ADJ-TH_RK1631110U1Q 1
26 B20k PRESENCE R22 RES-ADJ-TH_RK1631110U1Q 1
27 A1M LEVEL R25 RES-ADJ-TH_RK1631110U1Q 1
28 2200pF C3,C7 CAP-HV-5.0*3.0 2
29 1000pF C4,C8,C12 CAP-HV-5.0*3.0 3
30 22pF C5 CAP-HV-5.0*3.0 1
31 680pF C11 CAP-HV-5.0*3.0 1
32 HDR-F-2.54_1x3 H2 HDR-F-2.54_1X3 1
33 22nF UC1,UC2,UC3,UC4,UC5 CAP-CBB-10.0*4.5-P7.5 5
34 12AX7 U1,U2,U3 12AX7 SOCKET B9A 3
35 10000uF C19 CAP-TH_BD22.0-P10.00-D1.4-FD 1
36 IRF710 Q1 TO-220(TO-220-3) 1
37 0.1 R35 RES-TH_BD8.0-L24.5-P28.50-D0.8 1
38 BC547BTA Q2 TO-92-3_L4.8-W3.7-P2.54-L 1
39 SF18 D1 DO-41_BD2.4-L4.7-P8.70-D0.9-FD 1
40 1n4944 D2,D3 DO-41_BD2.4-L4.7-P8.70-D0.9-FD 2
41 KBL08 RECTIFIER1 KBL08-PCB 1
42 100uH L1 IND-TH_BD10.0-P5.00-D0.7 1
43 1000uF C18,C17 CAP-TH_BD12.5-P5.00-D1.2-FD 2
44 555 U5 DIP8 1
45 47uF C16 CAP-TH_BD16.0-P7.50-D1.2-FD 1

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