Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:36:18 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:36:18 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| RoadShow and 84 Guests are viewing this board. | ||||
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Speaker jack speaker loads
Started by Jalmeida |
2 Replies
4130 Views |
September 20, 2023, 12:33:56 pmby PRR |
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Variac use in new build startup
Started by dude |
3 Replies
4931 Views |
September 19, 2023, 09:24:32 pm by bmccowan |
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National Dobro 400
Started by isaac_teller |
4 Replies
4764 Views |
September 19, 2023, 10:47:42 am by isaac_teller |
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Resistor placement
Started by Diverted |
8 Replies
4926 Views |
September 19, 2023, 10:29:58 am by Latole |
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Blues Jr frying preamp tubes
Started by mxrshiver |
5 Replies
5105 Views |
September 19, 2023, 06:09:10 am by pdf64 |
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Gibson GA-30 need help picking capacitors
Started by delray |
11 Replies
7609 Views |
September 18, 2023, 10:40:31 pm by Platefire |
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11 Replies
6357 Views |
September 18, 2023, 09:26:51 am by kagliostro |
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Changing value of potentiometer
Started by Mypalmurph |
22 Replies
9080 Views |
September 18, 2023, 02:55:27 am by Colas LeGrippa |
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9 Replies
6317 Views |
September 17, 2023, 09:45:38 pm by HotBluePlates |
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Bassman 5F6-A build
Started by Keyboy |
15 Replies
7654 Views |
September 17, 2023, 09:38:55 pm by PRR |
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Musicman 2100 RD Power Transformer
Started by plexi50 |
3 Replies
4392 Views |
September 17, 2023, 06:42:52 pm by plexi50 |
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6V6 tweed bassman advice
Started by Bieworm |
38 Replies
13356 Views |
September 17, 2023, 01:20:45 pm by Bieworm |
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New Build with KT-88's
Started by W5FH |
1 Replies
4061 Views |
September 17, 2023, 08:50:15 am by W5FH |
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Revibe Idea, 3ft reverb tank
Started by paulcblais |
2 Replies
4035 Views |
September 17, 2023, 06:17:21 am by Williamblake |
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Ohms mismatch or swap output trans
Started by Mypalmurph |
4 Replies
4780 Views |
September 17, 2023, 05:22:32 am by pdf64 |
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Hoffman_AB763_1 channel Completed
Started by RoadShow |
4 Replies
5131 Views |
September 16, 2023, 04:45:06 pm by mresistor |
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Resistors Making An Amp Quiet...
Started by sbeckett |
4 Replies
4873 Views |
September 16, 2023, 01:46:47 pm by scstill |
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1966 Fender Super Reverb Maintenance
Started by flacman |
9 Replies
6427 Views |
September 16, 2023, 01:24:34 pm by scstill |
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Additional fuses advice
Started by 22uf |
5 Replies
5503 Views |
September 16, 2023, 08:35:35 am by HotBluePlates |
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crate 3112 convert to tube rectifier
Started by toposeven |
2 Replies
4226 Views |
September 15, 2023, 06:52:40 am by kagliostro |
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4 Replies
5687 Views |
September 15, 2023, 06:48:53 am by Carlsoti |
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Dual Lite amp project
Started by sluckey |
43 Replies
19146 Views |
September 14, 2023, 10:32:56 pm by capohk |
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AC15HW1 power issue
Started by Travis8 |
7 Replies
5991 Views |
September 14, 2023, 07:24:30 am by Latole |
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Sluckeys Rockola
Started by isaac_teller |
6 Replies
5049 Views |
September 13, 2023, 12:45:48 pm by bmccowan |
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9 Replies
5854 Views |
September 12, 2023, 04:35:24 pm by kagliostro |
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5 Replies
5270 Views |
September 12, 2023, 03:19:08 pm by Dave |
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yet another N00B biasing question
Started by fossilshark |
3 Replies
4899 Views |
September 12, 2023, 12:45:47 pm by sluckey |
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Questions about Revibe circuit
Started by Keppy |
2 Replies
4248 Views |
September 11, 2023, 05:51:53 pm by Keppy |
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Failsafe for bias trim pot on Ampeg B25
Started by fazeka |
14 Replies
7801 Views |
September 11, 2023, 03:25:41 pm by kagliostro |
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Flip and Reverse visio image
Started by mresistor |
11 Replies
6148 Views |
September 10, 2023, 03:06:08 pm by mresistor |
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11 Replies
5956 Views |
September 10, 2023, 02:07:39 pm by theRagman |
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Heater Elevation in Fixed-Bias Amps
Started by dwinstonwood |
6 Replies
4955 Views |
September 10, 2023, 12:35:55 pm by bmccowan |
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custom control panels
Started by fossilshark |
13 Replies
7237 Views |
September 10, 2023, 04:12:29 am by zircontweezer |
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Ultra Linear OT in a guitar amp?
Started by Loomer |
10 Replies
6900 Views |
September 09, 2023, 02:18:19 pm by PRR |
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Replicate tube stage with LND150's
Started by joesatch |
3 Replies
4851 Views |
September 09, 2023, 09:27:00 am by joesatch |
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Eurotubes "double mica": gimmick?
Started by passaloutre |
4 Replies
5290 Views |
September 09, 2023, 02:30:18 am by Jalmeida |
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Blown cathode bypass cap
Started by Diverted |
3 Replies
4835 Views |
September 08, 2023, 12:49:24 pm by Diverted |
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Random snap
Started by Leevi |
18 Replies
6865 Views |
September 08, 2023, 12:29:48 am by kagliostro |
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Cordovox amp
Started by bmccowan |
5 Replies
5132 Views |
September 08, 2023, 12:18:01 am by kagliostro |
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5E3 speaker(s)
Started by frpax |
9 Replies
7003 Views |
September 07, 2023, 10:15:36 pm by PRR |
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Hoffman Plexi 6V6 - New project
Started by JPK |
13 Replies
7374 Views |
September 07, 2023, 08:52:33 pm by labb |
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0 Replies
4146 Views |
September 07, 2023, 01:07:10 pm by plexi50 |
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Univox Model???
Started by plexi50 |
20 Replies
8386 Views |
September 07, 2023, 12:27:26 pm by bmccowan |
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42 Replies
17068 Views |
September 07, 2023, 09:44:01 am by bmccowan |
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31 Replies
10440 Views |
September 06, 2023, 06:28:29 pm by tubeswell |
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terminal strip concerns
Started by joesatch |
16 Replies
8166 Views |
September 06, 2023, 07:22:57 am by Loomer |
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Dual Lite Question
Started by imgumby001 |
7 Replies
5625 Views |
September 05, 2023, 08:37:48 am by sluckey |
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Ampeg BT-15 Replacement Diodes
Started by fenderguy81 |
12 Replies
7354 Views |
September 04, 2023, 11:17:39 am by fenderguy81 |
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30 Replies
10258 Views |
September 03, 2023, 03:41:41 pm by shooter |
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Pignose G60V re-do
Started by Beezerboy |
5 Replies
5167 Views |
September 03, 2023, 06:19:10 am by Latole |
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Pots Knobs |
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