Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 04:02:27 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 04:02:27 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 59 Guests are viewing this board. | ||||
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Washers for Carling on/off switches
Started by dude |
8 Replies
5105 Views |
February 27, 2020, 06:19:11 pmby dude |
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4 Replies
4538 Views |
February 27, 2020, 12:17:57 pm by shooter |
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plexi 50 modification question.
Started by Curranm |
5 Replies
4389 Views |
February 27, 2020, 10:03:25 am by sluckey |
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2 Replies
4255 Views |
February 27, 2020, 10:00:31 am by pi-amp |
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Belarus 57
Started by puudub |
11 Replies
6284 Views |
February 27, 2020, 06:47:33 am by puudub |
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Hoffman Revibe build
Started by Diverted |
8 Replies
5198 Views |
February 26, 2020, 04:35:47 pm by Diverted |
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Bias based on valve or amp power?
Started by leroy |
7 Replies
4588 Views |
February 26, 2020, 04:26:34 pm by shooter |
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5 Replies
5420 Views |
February 26, 2020, 03:32:53 pm by Colas LeGrippa |
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1940 national field coil ?
Started by fred |
14 Replies
7547 Views |
February 25, 2020, 09:51:20 pm by fred |
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64 Replies
32804 Views |
February 25, 2020, 03:58:41 pm by Ed_Chambley |
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22 Replies
10441 Views |
February 25, 2020, 09:53:43 am by Ed_Chambley |
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20 WATT NEW BUILD ,ANY SUGGESTIONS?
Started by mikhett |
5 Replies
4547 Views |
February 24, 2020, 08:47:49 pm by fossilshark |
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Voltage from AO-43 PT high?
Started by dude |
5 Replies
4923 Views |
February 24, 2020, 06:30:59 pm by dude |
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Power supply / Grid crackling
Started by plexi50 |
8 Replies
5544 Views |
February 24, 2020, 04:13:27 pm by mwelch55 |
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Solow Watt 12a_7 power supply question
Started by pullshocks |
5 Replies
4989 Views |
February 24, 2020, 02:15:03 pm by pullshocks |
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Modern Multi-Watt Amps
Started by jlapalme |
17 Replies
8807 Views |
February 24, 2020, 11:06:01 am by pdf64 |
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Secret sauce of the Mesa Dual Recto
Started by jlapalme |
0 Replies
3856 Views |
February 23, 2020, 11:49:32 pm by jlapalme |
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2204 using Hammond 290GX PT
Started by Mehfuzhoss |
5 Replies
4769 Views |
February 23, 2020, 08:43:30 pm by Mehfuzhoss |
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Separate clean channel for JCM800-20W
Started by adamG |
21 Replies
8698 Views |
February 23, 2020, 04:00:37 pm by adamG |
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probably short PT
Started by Dimitree |
6 Replies
4766 Views |
February 22, 2020, 04:29:20 pm by sluckey |
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D-763 RV schematic help please
Started by tubenit |
6 Replies
4255 Views |
February 22, 2020, 01:59:26 pm by tubenit |
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Control grid wiring
Started by dude |
6 Replies
4622 Views |
February 22, 2020, 11:26:11 am by dude |
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Semi-Hoffman 2203 Build Hum
Started by 3rdof3 |
14 Replies
7282 Views |
February 22, 2020, 09:05:30 am by 3rdof3 |
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Tweed Deluxe volume drop problem
Started by macula56 |
16 Replies
7845 Views |
February 22, 2020, 08:12:00 am by tweedpro |
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Tubes gone bad
Started by pbman1953 |
6 Replies
4559 Views |
February 21, 2020, 06:42:23 pm by shooter |
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52 Replies
31021 Views |
February 21, 2020, 05:17:38 pm by nandrewjackson |
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PT thermal breaker
Started by Leevi |
11 Replies
6731 Views |
February 21, 2020, 04:39:52 pm by PRR |
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Herzog line out WTF ?
Started by Colas LeGrippa |
3 Replies
4832 Views |
February 21, 2020, 02:19:22 pm by SILVERGUN |
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Matchless Lightning Transformers
Started by aabbs20 |
4 Replies
5449 Views |
February 21, 2020, 11:20:56 am by turtle441 |
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Conn RI 266 amp ?
Started by kc3lmv |
4 Replies
4697 Views |
February 19, 2020, 10:39:29 pm by SoundmasterG |
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Low E string harsh
Started by Colas LeGrippa |
7 Replies
4844 Views |
February 19, 2020, 07:41:55 pm by Colas LeGrippa |
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Pro Junior Mods Continued
Started by ListerHayes |
5 Replies
5008 Views |
February 19, 2020, 05:36:07 pm by 2deaf |
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HiFi output tranny with screen windings
Started by shaun |
3 Replies
4139 Views |
February 19, 2020, 03:43:36 pm by jjasilli |
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Amps with 3+ Preamp Gain Stages
Started by cusebassman |
4 Replies
5564 Views |
February 19, 2020, 01:05:18 pm by cusebassman |
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Bassman AA864 Build Problem (no sound at all)
Started by Jima321 |
11 Replies
6300 Views |
February 19, 2020, 09:13:22 am by shooter |
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3 Replies
4071 Views |
February 19, 2020, 06:33:16 am by kagliostro |
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10 Replies
8254 Views |
February 18, 2020, 09:54:20 pm by PRR |
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Switch questions....
Started by 1blueheron |
6 Replies
5549 Views |
February 18, 2020, 08:39:45 am by 1blueheron |
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Plexi 50 Shielded Cable
Started by bruce_w |
5 Replies
4694 Views |
February 18, 2020, 08:03:58 am by bruce_w |
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AB 763-2 Ground for Speaker Jacks
Started by StevenPituch |
3 Replies
4564 Views |
February 16, 2020, 10:06:17 pm by sluckey |
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2 Replies
4182 Views |
February 16, 2020, 03:43:48 pm by StevenPituch |
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43 Replies
15494 Views |
February 16, 2020, 12:30:06 pm by Captain chunkulus |
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6 Replies
4810 Views |
February 16, 2020, 10:56:14 am by dinkyguitar |
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21 Replies
26696 Views |
February 16, 2020, 08:16:52 am by SnickSound |
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53 Replies
28501 Views |
February 15, 2020, 07:29:31 pm by Diverted |
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What to build ?
Started by Colas LeGrippa |
17 Replies
9035 Views |
February 15, 2020, 03:10:04 pm by shooter |
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81 Replies
70068 Views |
February 14, 2020, 09:53:13 pm by HotBluePlates |
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Weird volume loss
Started by On The Rocks |
6 Replies
5118 Views |
February 14, 2020, 04:15:21 pm by sluckey |
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13 Replies
7319 Views |
February 14, 2020, 09:42:21 am by Gibsonchild |
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Hoffman Princeton Reverb Fuse Sizing
Started by purpletele |
28 Replies
12166 Views |
February 13, 2020, 10:56:21 pm by DummyLoad |
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Misc. Hardware |
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Board Building Parts |
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Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
| Resistors |
Fender Eyelet Boards |
Screws/Nuts Washers |
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Jacks/Plugs Connectors |
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Custom Boards |
Tubes Valves |
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Pots Knobs |
Fuses/Cords |
Chassis |
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Tube Sockets |
Switches |
Wire Cable |