Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:28:43 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:28:43 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| nicosasi and 18 Guests are viewing this board. | ||||
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ReVibe Grounding Scheme
Started by alathIN |
9 Replies
2769 Views |
February 27, 2020, 10:16:38 pmby alathIN |
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Washers for Carling on/off switches
Started by dude |
8 Replies
2330 Views |
February 27, 2020, 06:19:11 pm by dude |
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4 Replies
2061 Views |
February 27, 2020, 12:17:57 pm by shooter |
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plexi 50 modification question.
Started by Curranm |
5 Replies
1954 Views |
February 27, 2020, 10:03:25 am by sluckey |
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2 Replies
1649 Views |
February 27, 2020, 10:00:31 am by pi-amp |
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Belarus 57
Started by puudub |
11 Replies
3340 Views |
February 27, 2020, 06:47:33 am by puudub |
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Hoffman Revibe build
Started by Diverted |
8 Replies
2475 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
1930 Views |
February 26, 2020, 04:26:34 pm by shooter |
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5 Replies
2359 Views |
February 26, 2020, 03:32:53 pm by Colas LeGrippa |
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1940 national field coil ?
Started by fred |
14 Replies
4139 Views |
February 25, 2020, 09:51:20 pm by fred |
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64 Replies
20407 Views |
February 25, 2020, 03:58:41 pm by Ed_Chambley |
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22 Replies
5865 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
2027 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
1956 Views |
February 24, 2020, 06:30:59 pm by dude |
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Power supply / Grid crackling
Started by plexi50 |
8 Replies
2729 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
1969 Views |
February 24, 2020, 02:15:03 pm by pullshocks |
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Modern Multi-Watt Amps
Started by jlapalme |
17 Replies
4440 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
1217 Views |
February 23, 2020, 11:49:32 pm by jlapalme |
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2204 using Hammond 290GX PT
Started by Mehfuzhoss |
5 Replies
1880 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
4350 Views |
February 23, 2020, 04:00:37 pm by adamG |
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probably short PT
Started by Dimitree |
6 Replies
1826 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
1635 Views |
February 22, 2020, 01:59:26 pm by tubenit |
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Control grid wiring
Started by dude |
6 Replies
1970 Views |
February 22, 2020, 11:26:11 am by dude |
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Semi-Hoffman 2203 Build Hum
Started by 3rdof3 |
14 Replies
3876 Views |
February 22, 2020, 09:05:30 am by 3rdof3 |
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Tweed Deluxe volume drop problem
Started by macula56 |
16 Replies
5069 Views |
February 22, 2020, 08:12:00 am by tweedpro |
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Tubes gone bad
Started by pbman1953 |
6 Replies
1750 Views |
February 21, 2020, 06:42:23 pm by shooter |
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52 Replies
20413 Views |
February 21, 2020, 05:17:38 pm by nandrewjackson |
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PT thermal breaker
Started by Leevi |
11 Replies
3130 Views |
February 21, 2020, 04:39:52 pm by PRR |
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Herzog line out WTF ?
Started by Colas LeGrippa |
3 Replies
2134 Views |
February 21, 2020, 02:19:22 pm by SILVERGUN |
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Matchless Lightning Transformers
Started by aabbs20 |
4 Replies
2791 Views |
February 21, 2020, 11:20:56 am by turtle441 |
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Conn RI 266 amp ?
Started by kc3lmv |
4 Replies
1953 Views |
February 19, 2020, 10:39:29 pm by SoundmasterG |
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Low E string harsh
Started by Colas LeGrippa |
7 Replies
2170 Views |
February 19, 2020, 07:41:55 pm by Colas LeGrippa |
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Pro Junior Mods Continued
Started by ListerHayes |
5 Replies
2147 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
1662 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
2691 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
2946 Views |
February 19, 2020, 09:13:22 am by shooter |
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3 Replies
1670 Views |
February 19, 2020, 06:33:16 am by kagliostro |
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10 Replies
4492 Views |
February 18, 2020, 09:54:20 pm by PRR |
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Switch questions....
Started by 1blueheron |
6 Replies
2741 Views |
February 18, 2020, 08:39:45 am by 1blueheron |
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Plexi 50 Shielded Cable
Started by bruce_w |
5 Replies
1970 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
1652 Views |
February 16, 2020, 10:06:17 pm by sluckey |
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2 Replies
1517 Views |
February 16, 2020, 03:43:48 pm by StevenPituch |
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43 Replies
8372 Views |
February 16, 2020, 12:30:06 pm by Captain chunkulus |
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6 Replies
2103 Views |
February 16, 2020, 10:56:14 am by dinkyguitar |
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21 Replies
21123 Views |
February 16, 2020, 08:16:52 am by SnickSound |
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53 Replies
16706 Views |
February 15, 2020, 07:29:31 pm by Diverted |
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What to build ?
Started by Colas LeGrippa |
17 Replies
4643 Views |
February 15, 2020, 03:10:04 pm by shooter |
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81 Replies
52008 Views |
February 14, 2020, 09:53:13 pm by HotBluePlates |
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Weird volume loss
Started by On The Rocks |
6 Replies
2346 Views |
February 14, 2020, 04:15:21 pm by sluckey |
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13 Replies
3658 Views |
February 14, 2020, 09:42:21 am by Gibsonchild |
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Misc. Hardware |
| What's New |
Board Building Parts |
Amp trim Handles |
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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 |
Misc Eyelet Boards |
Tools |
| Capacitors |
Custom Boards |
Tubes Valves |
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Pots Knobs |
Fuses/Cords |
Chassis |
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Tube Sockets |
Switches |
Wire Cable |