Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 12:39:52 pm | ||
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Output transformer values
Started by Skip Hagey |
2 Replies
2231 Views |
![]() by PRR |
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4 Replies
3389 Views |
![]() by vibrolax |
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5e3 build. No voltage pins 4
Started by MF76 |
34 Replies
8215 Views |
![]() by Ed_Chambley |
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87 Replies
18692 Views |
![]() by pbman1953 |
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14 Replies
3983 Views |
![]() by phsyconoodler |
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6G12-A "frying" sound
Started by Mars-Hall |
11 Replies
3733 Views |
![]() by jojokeo |
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Artificial center tap for heaters.
Started by pinkphiloyd |
17 Replies
9196 Views |
![]() by pinkphiloyd |
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21 Replies
8551 Views |
![]() by kagliostro |
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Tremolo cap question
Started by BobRuth |
3 Replies
2805 Views |
![]() by BobRuth |
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What the heck did I do?
Started by hesamadman |
0 Replies
1906 Views |
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Hoffman 1 Channel Deluxe Reverb
Started by dunner84 |
10 Replies
5555 Views |
![]() by JGk |
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6G6 Power Tubes, no bias current
Started by RAJPE |
11 Replies
6647 Views |
![]() by sluckey |
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Anyone built a Single Ended EL34 Hot Cat?
Started by Shawnee |
15 Replies
4805 Views |
![]() by John |
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5E3 with different PI
Started by Leevi |
6 Replies
4828 Views |
![]() by PRR |
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Transformation
Started by Toxophilite |
2 Replies
2073 Views |
![]() by PRR |
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3-2x12 wiring help
Started by goldstache |
5 Replies
2606 Views |
![]() by goldstache |
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vibrolux issues
Started by Bugman3183 |
43 Replies
8630 Views |
![]() by Bugman3183 |
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Need help identify Twin
Started by crashtm1 |
9 Replies
2712 Views |
![]() by DummyLoad |
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31 Replies
6735 Views |
![]() by sluckey |
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Revibe issue?
Started by lego4040 |
12 Replies
3378 Views |
![]() by lego4040 |
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Bogen MX-60 Vintage P.A. Amp
Started by Guitarzan |
16 Replies
5937 Views |
![]() by Willabe |
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6v6 Plexi Build Problem
Started by GS1100 |
1 Replies
1925 Views |
![]() by shooter |
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Deluxe 6G3 Voltages a bit low.
Started by BruceJ |
10 Replies
4302 Views |
![]() by BruceJ |
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65 Replies
17636 Views |
![]() by DummyLoad |
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20 Replies
6557 Views |
![]() by Ritchie200 |
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using 6l6 in a 5E3 build
Started by Shack |
15 Replies
7007 Views |
![]() by robrob |
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AC30 master volume addition - thoughts?
Started by markmalin |
2 Replies
2533 Views |
![]() by markmalin |
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73 Replies
21612 Views |
![]() by adamG |
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Gibson Ga-9
Started by Shack |
2 Replies
2184 Views |
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Hoffman 5f2a w/ 6L6GC biasing update
Started by Crispy |
3 Replies
2466 Views |
![]() by Crispy |
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AC30 build help - a few questions
Started by markmalin |
2 Replies
2244 Views |
![]() by markmalin |
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Carvin Belair Repair/Tweak
Started by AZJimC |
7 Replies
4340 Views |
![]() by Willabe |
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You guys want a parts discount?
Started by EL34 |
2 Replies
2214 Views |
![]() by John |
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34 Replies
8733 Views |
![]() by ThomasE |
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replace amp input jack with switch
Started by waldner |
7 Replies
2804 Views |
![]() by sluckey |
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2-channels "Renegate"
Started by adamG |
0 Replies
1848 Views |
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Clean to FX to OD pedal to OD
Started by tubenit |
1 Replies
1897 Views |
![]() by tubeswell |
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Hoffman 5F2A chassis for 2 Stroke Combo??
Started by NotSure |
2 Replies
2026 Views |
![]() by lego4040 |
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14 Replies
4406 Views |
![]() by SILVERGUN |
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Problem with a rectifier tube I think!
Started by coreysan |
7 Replies
3090 Views |
![]() by eleventeen |
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34 Replies
8092 Views |
![]() by robrob |
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Volume pot - dead spot - weird
Started by Watto |
3 Replies
2361 Views |
![]() by Willabe |
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branchement pt Blues junior
Started by philippe78 |
10 Replies
3449 Views |
![]() by 2deaf |
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30 watt from scratch (guidance please)
Started by hesamadman |
33 Replies
7639 Views |
![]() by DummyLoad |
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How Tube Amps Work Webpage
Started by robrob |
4 Replies
2805 Views |
![]() by Fresh_Start |
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Presence control not working
Started by dude |
12 Replies
8081 Views |
![]() by dude |
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6 Replies
2713 Views |
![]() by PRR |
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OT secondary question
Started by dude |
3 Replies
2051 Views |
![]() by dude |
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Grounding Scheme Questions
Started by Willabe |
17 Replies
7141 Views |
![]() by Willabe |
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17 Replies
4924 Views |
![]() by shooter |
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