Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:46:08 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:46:08 pm | ||
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| 0 Members and 92 Guests are viewing this board. | ||||
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Sluckey bias circuit question.
Started by joesatch |
2 Replies
1849 Views |
November 01, 2021, 08:39:03 amby joesatch |
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2 Replies
2147 Views |
October 31, 2021, 08:27:33 pm by luthierwnc |
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8 Replies
2970 Views |
October 31, 2021, 02:42:28 pm by PRR |
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4 Replies
2600 Views |
October 30, 2021, 09:37:25 pm by HotBluePlates |
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13 Replies
3667 Views |
October 30, 2021, 08:39:13 am by HotBluePlates |
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Need advice on HV tap blowing fuses
Started by luthierwnc |
16 Replies
3474 Views |
October 29, 2021, 02:45:58 pm by luthierwnc |
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Killed my Princeton treble
Started by MacGwyn |
43 Replies
10594 Views |
October 29, 2021, 02:35:44 pm by Indyryder02 |
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5E3 REVERB EXULED
Started by TIMBO |
20 Replies
5516 Views |
October 29, 2021, 02:21:39 pm by TIMBO |
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OT wiring explanation
Started by joesatch |
2 Replies
1813 Views |
October 29, 2021, 01:59:52 pm by sluckey |
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19 Replies
6595 Views |
October 29, 2021, 10:45:03 am by ac427v |
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AB763 Reverb Transformer Placement
Started by joesatch |
2 Replies
2039 Views |
October 29, 2021, 08:01:52 am by joesatch |
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Sovtek Mig-60 weird biasing resistors
Started by Diverted |
2 Replies
2183 Views |
October 28, 2021, 02:12:01 pm by sluckey |
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Bias Failsafe AB763
Started by joesatch |
19 Replies
4895 Views |
October 28, 2021, 12:55:15 pm by shooter |
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Presence control on 5F1
Started by Stuff4bikes |
1 Replies
1968 Views |
October 28, 2021, 07:27:32 am by Latole |
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5e3 head layout
Started by timmyjoe |
4 Replies
2971 Views |
October 28, 2021, 06:45:34 am by Latole |
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'66 AB763 Super Reverb question
Started by Esquirefreak |
11 Replies
3010 Views |
October 28, 2021, 04:21:12 am by Leevi |
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Ground resistor
Started by Leevi |
11 Replies
3188 Views |
October 27, 2021, 11:18:39 am by Leevi |
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51 Replies
9899 Views |
October 26, 2021, 12:59:28 am by dram56 |
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5 Replies
2428 Views |
October 26, 2021, 12:46:16 am by PRR |
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Beefed up Princeton AA964
Started by acheld |
35 Replies
7205 Views |
October 25, 2021, 01:22:35 pm by ac427v |
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Cold clipper causing unstability
Started by Colas LeGrippa |
5 Replies
2963 Views |
October 24, 2021, 07:56:11 pm by Colas LeGrippa |
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Princeton Reverb hum problem
Started by texwest |
12 Replies
3139 Views |
October 24, 2021, 05:52:33 pm by texwest |
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Will this work to reduce screen voltage?
Started by brewdude |
29 Replies
5743 Views |
October 24, 2021, 12:28:13 pm by mresistor |
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Finding a short
Started by dragonworks |
45 Replies
7968 Views |
October 23, 2021, 02:52:21 am by dragonworks |
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Am done with PEC for good.
Started by Champ_49 |
21 Replies
9069 Views |
October 22, 2021, 02:55:07 pm by joesatch |
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Single ended amp microphonic problem.
Started by Tapsnap |
6 Replies
2440 Views |
October 22, 2021, 03:35:15 am by shooter |
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Transfo line out
Started by Colas LeGrippa |
1 Replies
1803 Views |
October 21, 2021, 09:22:52 pm by Colas LeGrippa |
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Help finding bias pot
Started by dude |
11 Replies
3300 Views |
October 20, 2021, 10:43:41 pm by Blooze |
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MusicMan 2475-130 design error?
Started by vintasonic |
1 Replies
2172 Views |
October 20, 2021, 03:21:03 pm by sluckey |
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tweed od lite
Started by BrainDeadAmps |
9 Replies
3555 Views |
October 19, 2021, 08:00:44 pm by PRR |
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Carolina Songbird + build started
Started by BetterOffShred |
2 Replies
2521 Views |
October 18, 2021, 04:33:51 pm by BetterOffShred |
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75 Replies
23136 Views |
October 18, 2021, 03:24:52 pm by Bieworm |
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1 Replies
1889 Views |
October 18, 2021, 02:33:59 pm by PRR |
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37 Replies
7301 Views |
October 17, 2021, 03:12:45 pm by Diverted |
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3 Replies
2048 Views |
October 17, 2021, 01:21:52 pm by sluckey |
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Marshall VS100 Power Transformer Repurpose
Started by TIMBO |
3 Replies
2024 Views |
October 17, 2021, 12:04:03 pm by PRR |
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Carmen Ghia clone value questions
Started by creekrat |
21 Replies
10392 Views |
October 16, 2021, 09:31:27 pm by porkzo |
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16 Replies
3494 Views |
October 16, 2021, 05:13:55 pm by sluckey |
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Orange AD15 Style Amp
Started by frankenxtein |
11 Replies
4197 Views |
October 16, 2021, 12:09:54 pm by frankenxtein |
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presence control not working
Started by punkykatt |
7 Replies
2461 Views |
October 16, 2021, 10:00:02 am by punkykatt |
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Blank JTM 45 Chassis source?
Started by dragonbat13 |
12 Replies
3366 Views |
October 16, 2021, 12:26:51 am by Tone Junkie |
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6420 tone control buzzy?
Started by ampnewbie |
2 Replies
1706 Views |
October 15, 2021, 10:12:26 pm by ampnewbie |
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Fender Blues Jr Build - Amp Noise
Started by Tbone55 |
14 Replies
3995 Views |
October 15, 2021, 07:29:47 pm by Tbone55 |
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120Hz hum starts when amp warms up?
Started by premiumplus |
16 Replies
3910 Views |
October 15, 2021, 07:29:13 pm by premiumplus |
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5e3 power tube grid stoppers
Started by John Clifford |
2 Replies
2524 Views |
October 15, 2021, 02:20:00 pm by John Clifford |
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6 Replies
3015 Views |
October 15, 2021, 02:04:45 pm by Sesh |
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0 Replies
1765 Views |
October 15, 2021, 09:51:52 am by EL34 |
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ac in proximity to octal power tube
Started by joesatch |
1 Replies
1770 Views |
October 13, 2021, 07:38:11 pm by glass54 |
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Savage Rohr 15 class A?
Started by John Clifford |
23 Replies
5389 Views |
October 13, 2021, 04:40:28 pm by pdf64 |
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Cathode bias R
Started by dude |
19 Replies
4814 Views |
October 13, 2021, 10:59:03 am by Willabe |
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