Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:14 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:14 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 37 Guests are viewing this board. | ||||
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5 Replies
3498 Views |
October 10, 2019, 02:03:40 pmby Pietro |
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Layout question
Started by Diverted |
7 Replies
3593 Views |
October 10, 2019, 01:29:54 pm by pdf64 |
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New bias board
Started by Swampertech |
6 Replies
3162 Views |
October 10, 2019, 12:59:09 pm by Swampertech |
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Badcat classic cat redplating
Started by phsyconoodler |
20 Replies
5979 Views |
October 09, 2019, 06:44:05 pm by phsyconoodler |
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dwell/reverb pots- linear or audio
Started by texwest |
9 Replies
4944 Views |
October 09, 2019, 03:15:10 pm by texwest |
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4 Replies
3375 Views |
October 09, 2019, 01:17:58 pm by ALBATROS1234 |
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Transformer change
Started by Oddvar |
10 Replies
4041 Views |
October 08, 2019, 04:49:08 pm by 2deaf |
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My first DIYLC board
Started by gooch |
5 Replies
3560 Views |
October 08, 2019, 04:47:42 am by EL34 |
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HoSo 56 With EL84 Schematic?
Started by purpletele |
9 Replies
4389 Views |
October 07, 2019, 07:11:23 pm by purpletele |
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21 Replies
6901 Views |
October 06, 2019, 06:58:13 pm by sluckey |
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Output Impedance question
Started by Jonas |
3 Replies
2421 Views |
October 05, 2019, 05:14:06 pm by PRR |
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SPST switch for stanby?
Started by fossilshark |
2 Replies
2516 Views |
October 05, 2019, 11:07:07 am by sluckey |
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Interstage transformer for distortion?
Started by JayCobie |
3 Replies
4498 Views |
October 04, 2019, 11:48:27 pm by OrganicEffects |
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Gibson 1966 GA 55 RVT
Started by Big chief |
34 Replies
10889 Views |
October 04, 2019, 09:53:06 pm by Big chief |
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Quick PSE biasing question
Started by ECV02 |
8 Replies
3870 Views |
October 03, 2019, 05:31:39 pm by PRR |
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Rebuilding a Peavey Classic 30
Started by Opry Audio « 1 2 » |
59 Replies
16658 Views |
October 02, 2019, 10:37:16 pm by silverfox |
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JCM800 build bias
Started by fossilshark |
3 Replies
3113 Views |
October 01, 2019, 02:36:44 pm by fossilshark |
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Heater Wiring
Started by 5string |
17 Replies
7089 Views |
October 01, 2019, 12:21:33 pm by PRR |
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12 Replies
9649 Views |
October 01, 2019, 09:57:41 am by kagliostro |
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transformer placement
Started by Dimitree |
2 Replies
4237 Views |
September 30, 2019, 09:10:40 am by sluckey |
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30 Replies
8664 Views |
September 30, 2019, 08:02:28 am by 1blueheron |
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Four inputs on JTM45 vs single on Plexi 6V6
Started by dude |
1 Replies
2563 Views |
September 29, 2019, 01:51:23 pm by sluckey |
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Help with Stomberg C AU 34
Started by Gvkinney2002 |
7 Replies
4599 Views |
September 29, 2019, 11:28:34 am by PRR |
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Blackstar Artisan 15 mods
Started by jamcginley62 |
21 Replies
10391 Views |
September 29, 2019, 11:25:09 am by SILVERGUN |
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Fender Vibro Champ buzzy distortion problem
Started by velec |
7 Replies
4629 Views |
September 29, 2019, 05:50:36 am by velec |
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wiring old style Marshall input jacks
Started by wolf_papa |
6 Replies
6238 Views |
September 28, 2019, 07:54:32 pm by wolf_papa |
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4 4 0 PPIMV or vvr ax84
Started by Mehfuzhoss |
13 Replies
4819 Views |
September 28, 2019, 02:16:35 pm by sluckey |
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Marshall 2204 style amp blowing HT fuse
Started by Fiat_cc |
4 Replies
3801 Views |
September 28, 2019, 05:21:02 am by pdf64 |
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12V DC heater supply
Started by Leevi |
11 Replies
7427 Views |
September 28, 2019, 04:21:44 am by Leevi |
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Tone King Imperial Tremolo
Started by warioblast |
0 Replies
2930 Views |
September 27, 2019, 08:53:44 pm by warioblast |
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3 Replies
2512 Views |
September 27, 2019, 06:26:18 pm by pdf64 |
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26 Replies
11918 Views |
September 27, 2019, 10:06:36 am by acheld |
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Blues Junior Bias and Voltage questions
Started by acheld |
2 Replies
3191 Views |
September 27, 2019, 09:35:33 am by acheld |
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8k
Started by davidwpack |
5 Replies
2992 Views |
September 26, 2019, 01:54:24 pm by davidwpack |
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1 Replies
2434 Views |
September 25, 2019, 11:20:07 pm by PRR |
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grid leak bias ?
Started by Toxophilite |
3 Replies
4254 Views |
September 25, 2019, 11:16:58 pm by PRR |
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Replace MOV cap in Mesa 240v?
Started by Oddvar |
9 Replies
3833 Views |
September 25, 2019, 11:40:36 am by Oddvar |
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7 Replies
3535 Views |
September 25, 2019, 10:02:23 am by Tony Bones |
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Mystery Xfmr
Started by coldfire |
3 Replies
2572 Views |
September 24, 2019, 05:40:30 pm by coldfire |
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Need a little advice on 6G3 volume set-up
Started by dude |
5 Replies
3652 Views |
September 24, 2019, 04:59:43 pm by dude |
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Adding a reverb tank to 5F6A
Started by sstudley |
10 Replies
4727 Views |
September 24, 2019, 12:55:10 pm by mresistor |
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Effects Loop Help
Started by Tbone55 |
25 Replies
8797 Views |
September 23, 2019, 08:50:54 pm by PRR |
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6 Replies
3554 Views |
September 23, 2019, 02:28:20 pm by punkykatt |
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National/Valco Model 1215 Build
Started by TubeJunkie |
24 Replies
9186 Views |
September 23, 2019, 10:53:35 am by TubeJunkie |
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O/Netics Transformer info
Started by reggiepe |
0 Replies
2938 Views |
September 23, 2019, 09:36:51 am by reggiepe |
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Illuminated power switch..
Started by labb |
5 Replies
3089 Views |
September 22, 2019, 02:02:48 pm by labb |
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6 Replies
3477 Views |
September 21, 2019, 11:50:06 pm by PRR |
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Identifying spk polarity
Started by dude |
2 Replies
2585 Views |
September 21, 2019, 12:42:51 pm by dude |
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0 Replies
2133 Views |
September 21, 2019, 10:30:33 am by EL34 |
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