Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 01:01:19 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 01:01:19 pm | ||
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Stromberg Carlson Tone Stack Mod?
Started by jonathan_kea |
7 Replies
4632 Views |
January 01, 2021, 03:22:14 pmby jonathan_kea |
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12AX7 as a reverb driver
Started by Patrik |
41 Replies
15051 Views |
January 01, 2021, 11:48:20 am by sluckey |
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Tore Vibe 5H15T Tremolo Circuit
Started by TurboGuitarMelton |
2 Replies
3595 Views |
January 01, 2021, 01:15:57 am by PRR |
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3 Replies
3388 Views |
December 31, 2020, 05:14:19 pm by centervolume |
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Supro 6497 Circuit/Schematic
Started by scstill |
2 Replies
3657 Views |
December 31, 2020, 04:29:40 pm by scstill |
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5 Replies
4300 Views |
December 31, 2020, 01:25:55 pm by PRR |
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Tapping a filter cap creates crackle
Started by pbman1953 |
33 Replies
10042 Views |
December 31, 2020, 07:35:42 am by pbman1953 |
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22 Replies
9196 Views |
December 30, 2020, 03:58:45 pm by Mike_J |
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8 Replies
4186 Views |
December 30, 2020, 01:45:44 pm by coreythompsonhm |
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5 Replies
4273 Views |
December 30, 2020, 11:07:26 am by vampwizzard |
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6 Replies
4843 Views |
December 29, 2020, 03:30:54 am by Latole |
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2 Replies
3131 Views |
December 28, 2020, 04:34:23 pm by PRR |
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7 Replies
5356 Views |
December 28, 2020, 12:32:26 pm by sluckey |
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Dual 50 Question
Started by Big_Mike |
3 Replies
3243 Views |
December 27, 2020, 07:52:56 pm by shooter |
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Marshall SV20VH
Started by dude |
12 Replies
6721 Views |
December 27, 2020, 03:51:59 pm by dude |
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Crate V50 help
Started by Cramer1 |
23 Replies
9922 Views |
December 27, 2020, 02:19:24 pm by Cramer1 |
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Three Prong Yet Again
Started by cincyjack |
1 Replies
2946 Views |
December 26, 2020, 02:31:27 pm by vampwizzard |
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Considering building this, maybe UL
Started by Joe6v6 |
21 Replies
7528 Views |
December 26, 2020, 01:11:48 pm by Bieworm |
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5 Replies
3558 Views |
December 26, 2020, 12:36:04 am by DummyLoad |
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help me understand this Dukane PA
Started by alange5 |
39 Replies
17968 Views |
December 25, 2020, 04:28:57 pm by angelodp |
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27 Replies
14819 Views |
December 25, 2020, 03:38:18 pm by sluckey |
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17 Replies
7372 Views |
December 24, 2020, 05:17:43 pm by Jatchley |
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Elevated vs cathode elevated: results
Started by ampnewbie |
13 Replies
7453 Views |
December 24, 2020, 01:19:15 am by Soulfetish |
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13 Replies
5644 Views |
December 23, 2020, 10:00:21 pm by Leevi |
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20 Replies
7570 Views |
December 23, 2020, 09:15:50 pm by Glenn |
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11 Replies
5440 Views |
December 23, 2020, 05:15:31 am by ed22 |
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what do you do with your dead reverb tanks
Started by BrianS |
5 Replies
3617 Views |
December 22, 2020, 04:03:51 pm by kagliostro |
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10 Replies
4525 Views |
December 21, 2020, 01:31:14 pm by BrianS |
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post phase inverter master volume
Started by isaac_teller |
2 Replies
3272 Views |
December 21, 2020, 12:13:19 pm by d95err |
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Building a tube guitar amp step by step
Started by DaveMojo |
11 Replies
7566 Views |
December 21, 2020, 09:42:20 am by kagliostro |
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AC4tv Turret Board
Started by dpm309 |
4 Replies
13873 Views |
December 21, 2020, 08:10:22 am by kagliostro |
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Question about Rectifiers
Started by dunner84 |
21 Replies
7442 Views |
December 21, 2020, 04:06:31 am by Bieworm |
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Plexi 6v6 "Bias Range"?
Started by mcamelo |
4 Replies
4096 Views |
December 20, 2020, 04:03:40 pm by tubeswell |
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Imperial PI operation
Started by Bieworm |
44 Replies
13483 Views |
December 20, 2020, 03:13:03 am by Bieworm |
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I Think I’ve Made A Grave Error
Started by imgumby001 |
3 Replies
3181 Views |
December 19, 2020, 02:02:56 pm by imgumby001 |
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princeton reverb grounding Hoffman layout
Started by wetdog |
22 Replies
12600 Views |
December 19, 2020, 01:55:50 pm by bnwitt |
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Rescue project: 1972 Twin Reverb silverface
Started by jeff_free69 « 1 2 3 » |
130 Replies
62027 Views |
December 19, 2020, 11:36:49 am by jeff_free69 |
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7 Replies
4586 Views |
December 18, 2020, 12:41:44 pm by Mike_J |
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31 Replies
11157 Views |
December 18, 2020, 11:25:54 am by NeilLivs |
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Have AB Carbon Comps and Metal Films
Started by Mike_J |
9 Replies
5091 Views |
December 18, 2020, 07:35:40 am by vampwizzard |
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209 Replies
67127 Views |
December 17, 2020, 12:53:56 pm by sluckey |
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5e3 build voltages
Started by GreaseBall |
7 Replies
5266 Views |
December 17, 2020, 10:13:56 am by JB |
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Tweed Overdrive Special tweaks
Started by daveyajd |
7 Replies
4712 Views |
December 17, 2020, 06:00:35 am by tubenit |
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11 Replies
4808 Views |
December 16, 2020, 07:35:04 pm by shooter |
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Tube Amp for Theremin, anyone?
Started by Pegamin |
3 Replies
3962 Views |
December 16, 2020, 02:26:53 pm by kagliostro |
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8 Replies
5195 Views |
December 16, 2020, 02:21:31 pm by sluckey |
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Diodes in output section . . . ?
Started by acheld |
6 Replies
4310 Views |
December 16, 2020, 10:52:58 am by pdf64 |
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Midget mono amp for.my tv
Started by Colas LeGrippa |
11 Replies
5200 Views |
December 16, 2020, 12:16:06 am by blackcorvo |
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Sano 50WR tremalo
Started by jamesedmunda |
0 Replies
3113 Views |
December 15, 2020, 04:54:18 pm by jamesedmunda |
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2 Replies
3323 Views |
December 15, 2020, 03:15:41 pm by Latole |
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