Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 06:12:22 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:12:22 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 26 Guests are viewing this board. | ||||
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What to do with a spare triode?
Started by Jennings |
6 Replies
1935 Views |
December 14, 2023, 02:37:46 pmby kagliostro |
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Issue with deluxe reverb build
Started by rutledj |
9 Replies
2460 Views |
December 13, 2023, 10:51:51 pm by stratomaster |
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5B3 Variant Deluxe
Started by TIMBO |
21 Replies
5745 Views |
December 13, 2023, 01:13:39 pm by TIMBO |
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1974 fender bassman 50 red plate
Started by Joeandamy |
29 Replies
4468 Views |
December 12, 2023, 06:22:03 pm by Joeandamy |
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Mosfet harmonic tremolo
Started by goldstache |
10 Replies
3962 Views |
December 12, 2023, 02:26:17 pm by tubeswell |
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Adding a 7199 channel to a spitfire clone
Started by big-ez |
9 Replies
3331 Views |
December 12, 2023, 11:30:38 am by big-ez |
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Output transformer
Started by makjoh |
17 Replies
4076 Views |
December 12, 2023, 11:07:59 am by makjoh |
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7 Replies
3501 Views |
December 12, 2023, 07:52:58 am by kgstewar |
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vendors for budget parts?
Started by boogieWoogie |
21 Replies
3838 Views |
December 11, 2023, 01:27:47 pm by mresistor |
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Extending the service life of an EL84.
Started by MarkT |
18 Replies
4177 Views |
December 11, 2023, 09:13:08 am by jjasilli |
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12 Replies
3198 Views |
December 11, 2023, 12:57:21 am by PRR |
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OT match to speaker
Started by joesatch |
3 Replies
1574 Views |
December 10, 2023, 07:31:06 pm by sluckey |
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OT out of phase solution
Started by joesatch |
1 Replies
1573 Views |
December 09, 2023, 03:38:53 pm by sluckey |
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6 Replies
2096 Views |
December 09, 2023, 02:23:50 pm by kagliostro |
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3 Replies
1461 Views |
December 08, 2023, 02:47:19 pm by sluckey |
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21 Replies
4840 Views |
December 07, 2023, 06:00:23 pm by stratomaster |
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6 Replies
2228 Views |
December 06, 2023, 06:47:54 pm by acheld |
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Crossline MV
Started by acheld |
18 Replies
4418 Views |
December 05, 2023, 07:02:02 pm by kagliostro |
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66 Replies
15504 Views |
December 05, 2023, 11:50:10 am by sluckey |
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9 Replies
2667 Views |
December 04, 2023, 05:30:15 pm by 420Jazzerciser |
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6 Replies
2155 Views |
December 04, 2023, 09:49:36 am by stratomaster |
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Global NFB & Back EMF
Started by jjasilli |
7 Replies
2385 Views |
December 03, 2023, 07:12:11 pm by jjasilli |
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Mixing Channels
Started by scstill |
23 Replies
4857 Views |
December 03, 2023, 06:00:49 pm by shooter |
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24 Replies
4611 Views |
December 03, 2023, 05:42:20 pm by SoundmasterG |
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17 Replies
3557 Views |
December 03, 2023, 03:20:58 pm by HotBluePlates |
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How's the schematic?
Started by Diverted |
6 Replies
2354 Views |
December 03, 2023, 10:07:05 am by sluckey |
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6 Replies
1954 Views |
December 03, 2023, 09:55:03 am by pbman1953 |
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Which AT tube would you use?
Started by pbman1953 |
2 Replies
1334 Views |
December 02, 2023, 01:48:00 pm by pbman1953 |
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Anyone got an Ampeg SVT layout?
Started by Jennings |
8 Replies
2419 Views |
December 02, 2023, 03:21:53 am by Jennings |
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AC30 Vib/Trem
Started by G._Hoffman |
22 Replies
10473 Views |
December 01, 2023, 04:13:12 am by MWagemaker |
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24 Replies
6922 Views |
November 30, 2023, 10:02:06 pm by spunko |
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What’s that wind in my champ
Started by Kesi from Hungary |
32 Replies
5707 Views |
November 30, 2023, 06:29:00 pm by ALBATROS1234 |
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3 Replies
1542 Views |
November 30, 2023, 06:26:59 pm by ALBATROS1234 |
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55 Replies
10601 Views |
November 30, 2023, 06:09:55 pm by Bassden |
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What is the purpose of this?
Started by Diverted |
3 Replies
1707 Views |
November 30, 2023, 05:43:21 pm by HotBluePlates |
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Blackvide Reverb dwell pot??
Started by Jalmeida |
3 Replies
1464 Views |
November 30, 2023, 03:30:36 pm by Jalmeida |
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5 Replies
1934 Views |
November 30, 2023, 10:32:38 am by Diverted |
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National Deluxe schematic
Started by isaac_teller |
5 Replies
2868 Views |
November 30, 2023, 10:20:13 am by ALBATROS1234 |
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Re-purposing a 5E3 - need ideas
Started by PharmRock |
39 Replies
8572 Views |
November 30, 2023, 10:09:16 am by Glenn |
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Help me fix my Orange Rockerverb Reverb
Started by waldner |
17 Replies
4457 Views |
November 28, 2023, 08:24:07 pm by waldner |
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Any Stout w/reverb Tweakers ?
Started by mresistor |
11 Replies
2984 Views |
November 28, 2023, 04:46:50 pm by waldner |
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1 Replies
1540 Views |
November 28, 2023, 03:41:44 pm by PRR |
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Need only one half of 12ax7
Started by Jalmeida |
16 Replies
4038 Views |
November 28, 2023, 01:39:54 pm by sluckey |
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18 Replies
6331 Views |
November 28, 2023, 11:05:34 am by jloewenheim |
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1950's Gibson GA 20 Schematic?
Started by plexi50 |
26 Replies
14837 Views |
November 28, 2023, 03:53:16 am by Arnenym |
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Any Ampeg experts out there?
Started by punkykatt |
12 Replies
2491 Views |
November 27, 2023, 02:39:37 pm by tdvt |
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One Tube 5F1
Started by scstill |
11 Replies
3091 Views |
November 27, 2023, 01:34:48 pm by scstill |
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3 Replies
1638 Views |
November 27, 2023, 11:00:37 am by MWagemaker |
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6 Replies
3210 Views |
November 27, 2023, 03:27:13 am by Latole |
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116 Replies
22567 Views |
November 26, 2023, 01:06:21 pm by stratomaster |
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