Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 02:46:15 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 02:46:15 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 71 Guests are viewing this board. | ||||
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National Dobro 400
Started by isaac_teller |
4 Replies
2675 Views |
September 19, 2023, 10:47:42 amby isaac_teller |
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Resistor placement
Started by Diverted |
8 Replies
2763 Views |
September 19, 2023, 10:29:58 am by Latole |
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Blues Jr frying preamp tubes
Started by mxrshiver |
5 Replies
2695 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
4075 Views |
September 18, 2023, 10:40:31 pm by Platefire |
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11 Replies
3191 Views |
September 18, 2023, 09:26:51 am by kagliostro |
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Changing value of potentiometer
Started by Mypalmurph |
22 Replies
4823 Views |
September 18, 2023, 02:55:27 am by Colas LeGrippa |
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9 Replies
3443 Views |
September 17, 2023, 09:45:38 pm by HotBluePlates |
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Bassman 5F6-A build
Started by Keyboy |
15 Replies
4444 Views |
September 17, 2023, 09:38:55 pm by PRR |
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Musicman 2100 RD Power Transformer
Started by plexi50 |
3 Replies
2335 Views |
September 17, 2023, 06:42:52 pm by plexi50 |
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6V6 tweed bassman advice
Started by Bieworm |
38 Replies
7367 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
2139 Views |
September 17, 2023, 08:50:15 am by W5FH |
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Revibe Idea, 3ft reverb tank
Started by paulcblais |
2 Replies
2064 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
2426 Views |
September 17, 2023, 05:22:32 am by pdf64 |
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Hoffman_AB763_1 channel Completed
Started by RoadShow |
4 Replies
2787 Views |
September 16, 2023, 04:45:06 pm by mresistor |
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Resistors Making An Amp Quiet...
Started by sbeckett |
4 Replies
2667 Views |
September 16, 2023, 01:46:47 pm by scstill |
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1966 Fender Super Reverb Maintenance
Started by flacman |
9 Replies
3754 Views |
September 16, 2023, 01:24:34 pm by scstill |
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Additional fuses advice
Started by 22uf |
5 Replies
2749 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
2253 Views |
September 15, 2023, 06:52:40 am by kagliostro |
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4 Replies
3011 Views |
September 15, 2023, 06:48:53 am by Carlsoti |
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Dual Lite amp project
Started by sluckey |
43 Replies
12206 Views |
September 14, 2023, 10:32:56 pm by capohk |
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AC15HW1 power issue
Started by Travis8 |
7 Replies
3077 Views |
September 14, 2023, 07:24:30 am by Latole |
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Sluckeys Rockola
Started by isaac_teller |
6 Replies
2766 Views |
September 13, 2023, 12:45:48 pm by bmccowan |
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9 Replies
3231 Views |
September 12, 2023, 04:35:24 pm by kagliostro |
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5 Replies
2891 Views |
September 12, 2023, 03:19:08 pm by Dave |
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yet another N00B biasing question
Started by fossilshark |
3 Replies
2592 Views |
September 12, 2023, 12:45:47 pm by sluckey |
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Questions about Revibe circuit
Started by Keppy |
2 Replies
2222 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
4165 Views |
September 11, 2023, 03:25:41 pm by kagliostro |
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Flip and Reverse visio image
Started by mresistor |
11 Replies
3387 Views |
September 10, 2023, 03:06:08 pm by mresistor |
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11 Replies
3189 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
2822 Views |
September 10, 2023, 12:35:55 pm by bmccowan |
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custom control panels
Started by fossilshark |
13 Replies
4233 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
3801 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
2605 Views |
September 09, 2023, 09:27:00 am by joesatch |
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Eurotubes "double mica": gimmick?
Started by passaloutre |
4 Replies
2824 Views |
September 09, 2023, 02:30:18 am by Jalmeida |
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Blown cathode bypass cap
Started by Diverted |
3 Replies
2448 Views |
September 08, 2023, 12:49:24 pm by Diverted |
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Random snap
Started by Leevi |
18 Replies
4034 Views |
September 08, 2023, 12:29:48 am by kagliostro |
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Cordovox amp
Started by bmccowan |
5 Replies
2881 Views |
September 08, 2023, 12:18:01 am by kagliostro |
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5E3 speaker(s)
Started by frpax |
9 Replies
3860 Views |
September 07, 2023, 10:15:36 pm by PRR |
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Hoffman Plexi 6V6 - New project
Started by JPK |
13 Replies
4379 Views |
September 07, 2023, 08:52:33 pm by labb |
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0 Replies
2074 Views |
September 07, 2023, 01:07:10 pm by plexi50 |
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Univox Model???
Started by plexi50 |
20 Replies
4466 Views |
September 07, 2023, 12:27:26 pm by bmccowan |
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42 Replies
8576 Views |
September 07, 2023, 09:44:01 am by bmccowan |
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31 Replies
6203 Views |
September 06, 2023, 06:28:29 pm by tubeswell |
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terminal strip concerns
Started by joesatch |
16 Replies
5013 Views |
September 06, 2023, 07:22:57 am by Loomer |
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Dual Lite Question
Started by imgumby001 |
7 Replies
3146 Views |
September 05, 2023, 08:37:48 am by sluckey |
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Ampeg BT-15 Replacement Diodes
Started by fenderguy81 |
12 Replies
4239 Views |
September 04, 2023, 11:17:39 am by fenderguy81 |
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30 Replies
6000 Views |
September 03, 2023, 03:41:41 pm by shooter |
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Pignose G60V re-do
Started by Beezerboy |
5 Replies
2940 Views |
September 03, 2023, 06:19:10 am by Latole |
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Clone of Marshall JTM 45 Fails Bulb Test
Started by timmyjoe |
18 Replies
4396 Views |
September 02, 2023, 07:01:20 pm by pdf64 |
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Hot rod deluxe conversion
Started by Bautista392 |
2 Replies
2725 Views |
September 02, 2023, 06:54:21 am by pdf64 |
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