Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:44:07 am | ||
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High plate diss
Started by davidwpack |
13 Replies
3326 Views |
![]() by davidwpack |
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2 Replies
2990 Views |
![]() by PRR |
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5E3 Malfunction: Volume Fluctuation
Started by ululufut |
5 Replies
2674 Views |
![]() by shooter |
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Learning circuits
Started by davidwpack |
4 Replies
2488 Views |
![]() by davidwpack |
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27 Replies
7031 Views |
![]() by leevc5 |
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9 Replies
4408 Views |
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30 Replies
9690 Views |
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Reverb circuit FBJ / FHRD
Started by Apprentice |
4 Replies
2444 Views |
![]() by Apprentice |
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GM 28 blocking distortion
Started by Leevi |
9 Replies
2992 Views |
![]() by Leevi |
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Marshall 20W Phase Inverter
Started by Leevi |
26 Replies
9394 Views |
![]() by Leevi |
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5E3 woes....
Started by tylerrussell |
23 Replies
5588 Views |
![]() by Ed_Chambley |
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Bass Pot Not Functional / 5F6A Bassman
Started by plexi50 |
15 Replies
4379 Views |
![]() by plexi50 |
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Help with amp noise issue please
Started by Shack |
5 Replies
2324 Views |
![]() by Shack |
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Ken Fisher type I/II and LarMar. PPIMV
Started by Willabe |
46 Replies
28392 Views |
![]() by Ed_Chambley |
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Sudden low bias on Deluxe Reverb
Started by Joeriz |
3 Replies
2310 Views |
![]() by Joeriz |
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Major noise issue with AB763 build
Started by Apexelectric « 1 2 » |
59 Replies
10932 Views |
![]() by Apexelectric |
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Joel: re: RCA 6973 datasheet
Started by John |
4 Replies
2740 Views |
![]() by shooter |
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Capacitor Question
Started by JLS |
3 Replies
2052 Views |
![]() by JLS |
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7 Replies
3155 Views |
![]() by jjasilli |
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0 Replies
1705 Views |
![]() by PRR |
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Cascode advice?
Started by murrayatuptown |
8 Replies
5101 Views |
![]() by Tony Bones |
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3 Replies
2525 Views |
![]() by goldstache |
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10 Replies
3690 Views |
![]() by Apprentice |
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4 Replies
2886 Views |
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JMP channel switch
Started by warioblast |
18 Replies
8027 Views |
![]() by warioblast |
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Dialing in a tube amp
Started by Willabe |
19 Replies
4836 Views |
![]() by pompeiisneaks |
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2 Replies
1869 Views |
![]() by pompeiisneaks |
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Lead Dress re wire tips
Started by Pochie45566 |
9 Replies
5276 Views |
![]() by Ed_Chambley |
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Tweed Bassman 6V6s - transformers options?
Started by Arry |
5 Replies
4096 Views |
![]() by drew |
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Shock Hazard?
Started by hesamadman |
7 Replies
2818 Views |
![]() by drgonzonm |
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46 Replies
23853 Views |
![]() by murrayatuptown |
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Reverb problem
Started by Tuckerson |
15 Replies
3830 Views |
![]() by PRR |
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17 Replies
5504 Views |
![]() by pompeiisneaks |
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Ampeg m12 weak tremelo
Started by nateflanigan |
2 Replies
2398 Views |
![]() by nateflanigan |
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Tweed Princeton 5F2A clone
Started by Joel |
9 Replies
4477 Views |
![]() by Joel |
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Throbbing 5F1 any theories?
Started by leevc5 |
11 Replies
3529 Views |
![]() by Joel |
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Shielded?
Started by davidwpack |
9 Replies
3107 Views |
![]() by davidwpack |
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Footswitch anomaly
Started by bnwitt |
4 Replies
2094 Views |
![]() by bnwitt |
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New project
Started by EKDENTON |
23 Replies
6586 Views |
![]() by EKDENTON |
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I think I've figured out what I want
Started by rake |
21 Replies
4638 Views |
![]() by tubenit |
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67 Replies
15221 Views |
![]() by jojokeo |
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6 Replies
3893 Views |
![]() by 2deaf |
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Fixed to cathode bias switch
Started by Apprentice |
9 Replies
5412 Views |
![]() by Apprentice |
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I have the bug again - Time to build
Started by sdp1234 |
1 Replies
1867 Views |
![]() by hesamadman |
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3 Questions: 5F4 Tweed Super
Started by beckspeed |
5 Replies
3245 Views |
![]() by beckspeed |
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2 Replies
2732 Views |
![]() by alange5 |
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23 Replies
9053 Views |
![]() by bnwitt |
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1 Replies
1834 Views |
![]() by SILVERGUN |
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1 Replies
2441 Views |
![]() by jjasilli |
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Mod Suggestions for 75' Plexi clone.
Started by Pochie45566 |
19 Replies
4924 Views |
![]() by DummyLoad |
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