Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:19 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:19 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 39 Guests are viewing this board. | ||||
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Plastic Toroidal Xfmr mount?
Started by JustMike |
1 Replies
2089 Views |
February 28, 2021, 01:42:36 pmby thetragichero |
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Need help.
Started by Mike_J |
8 Replies
2899 Views |
February 27, 2021, 11:56:36 pm by glass54 |
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How to test/repair speaker?
Started by BobL |
8 Replies
3638 Views |
February 27, 2021, 08:46:42 pm by acheld |
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Filament wiring gauge
Started by Graydigger |
37 Replies
11877 Views |
February 27, 2021, 06:23:55 pm by scstill |
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6 Replies
3679 Views |
February 27, 2021, 06:17:03 pm by tubeswell |
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Suppliers (as of 2021)
Started by munkeyboy |
24 Replies
15120 Views |
February 27, 2021, 02:55:12 pm by vampwizzard |
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14 Replies
5697 Views |
February 27, 2021, 12:50:09 pm by BobL |
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Tagboard question
Started by dude |
11 Replies
3710 Views |
February 27, 2021, 11:28:35 am by dude |
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UA OX catching amp on fire
Started by British1011 |
5 Replies
3438 Views |
February 27, 2021, 09:57:59 am by British1011 |
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Planning my next build (simplified AC15ish)
Started by aon |
12 Replies
4223 Views |
February 27, 2021, 07:38:20 am by aon |
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line out for single ended tube amp
Started by mazzgreg |
2 Replies
2361 Views |
February 26, 2021, 03:22:47 pm by PRR |
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Confused again.
Started by Mike_J |
19 Replies
5696 Views |
February 26, 2021, 10:12:47 am by Mike_J |
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Negative Feedback, Where To Get It From?
Started by DuaneOh |
8 Replies
4590 Views |
February 25, 2021, 06:23:15 pm by DuaneOh |
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Ampeg B 12 XT
Started by Big chief |
8 Replies
3629 Views |
February 25, 2021, 03:37:51 pm by Big chief |
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1959 Supro Coronado 1690T on the bench
Started by TubeGeek |
16 Replies
9727 Views |
February 25, 2021, 12:36:19 pm by PRR |
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Cranked Amp "Chirping"?
Started by jordan86 |
4 Replies
3673 Views |
February 25, 2021, 10:02:59 am by SILVERGUN |
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Spicemodel for reverb tanks
Started by PRR |
0 Replies
2731 Views |
February 24, 2021, 10:08:43 pm by PRR |
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Screen and Plate Switch pop in AC15 build
Started by shaun |
12 Replies
4409 Views |
February 24, 2021, 07:01:55 pm by HotBluePlates |
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How long do Edcor transformers take?
Started by steveo7868 |
11 Replies
4351 Views |
February 24, 2021, 06:36:07 pm by munkeyboy |
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7 Replies
3197 Views |
February 24, 2021, 05:26:52 pm by tomof63 |
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1 Replies
2200 Views |
February 24, 2021, 10:59:30 am by thetragichero |
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1 Replies
3140 Views |
February 24, 2021, 08:18:12 am by sluckey |
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Incoming Amp-PRS 25th Anniversary
Started by JustMike |
10 Replies
4452 Views |
February 23, 2021, 01:40:56 pm by shooter |
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switching channels with relays questions
Started by Bieworm |
5 Replies
3165 Views |
February 23, 2021, 01:39:23 pm by Bieworm |
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20 Replies
7080 Views |
February 23, 2021, 12:59:56 pm by DougGuy |
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Single Input 5f6a Questions.
Started by thebard |
4 Replies
2561 Views |
February 23, 2021, 01:37:32 am by thebard |
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SOLVED: Stuck on this build
Started by munkeyboy |
45 Replies
9360 Views |
February 22, 2021, 09:35:59 pm by PRR |
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3 Replies
2622 Views |
February 22, 2021, 09:28:17 pm by tubeswell |
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Preamp Switching
Started by dunner84 |
2 Replies
2640 Views |
February 22, 2021, 06:40:34 pm by dunner84 |
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21 Replies
8099 Views |
February 22, 2021, 03:55:33 pm by munkeyboy |
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Fender amp biasing methods
Started by goodizzy |
1 Replies
2509 Views |
February 22, 2021, 11:05:15 am by kagliostro |
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3 Replies
4405 Views |
February 22, 2021, 10:45:16 am by kagliostro |
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Loud POP - Stand By
Started by raza |
31 Replies
7424 Views |
February 22, 2021, 06:03:38 am by Leevi |
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Question on switchable bias
Started by dude |
3 Replies
2471 Views |
February 21, 2021, 08:33:52 pm by HotBluePlates |
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How much clearance does a PT need?
Started by PharmRock |
7 Replies
3573 Views |
February 20, 2021, 11:59:21 pm by HotBluePlates |
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7 Replies
4541 Views |
February 20, 2021, 11:05:39 pm by HotBluePlates |
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Choke placement?
Started by jordan86 |
32 Replies
11632 Views |
February 20, 2021, 07:42:29 pm by jordan86 |
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14 Replies
5733 Views |
February 20, 2021, 08:41:12 am by buddy_coles |
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Layout thoughts, KT88 SE build
Started by Diverted |
37 Replies
9578 Views |
February 19, 2021, 02:14:52 pm by shooter |
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What TWIN model? SOLVED
Started by Leevi |
16 Replies
4819 Views |
February 19, 2021, 05:16:50 am by pdf64 |
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8 Replies
4871 Views |
February 18, 2021, 05:34:05 pm by bmccowan |
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Lost my bass control
Started by pbman1953 |
6 Replies
2990 Views |
February 18, 2021, 12:02:19 pm by pbman1953 |
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Filmosound 385 no output.
Started by BrainDeadAmps |
10 Replies
4551 Views |
February 17, 2021, 02:57:58 pm by TitaniumValhalla |
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3 Replies
2754 Views |
February 16, 2021, 11:25:54 pm by PRR |
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13 Replies
6833 Views |
February 16, 2021, 10:54:58 pm by thetragichero |
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First try at designing an amp
Started by Dunc |
19 Replies
7118 Views |
February 16, 2021, 09:27:45 am by tubeswell |
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20 Replies
9011 Views |
February 16, 2021, 06:49:21 am by kagliostro |
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4 Replies
2962 Views |
February 15, 2021, 11:24:30 pm by BlackCrowe604 |
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Sunn Model T Clone Presence Squeal
Started by MMWDMP |
3 Replies
3149 Views |
February 15, 2021, 03:36:10 pm by MMWDMP |
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Turret lug and eyelet installation tool
Started by EL34 |
0 Replies
2788 Views |
February 15, 2021, 02:25:21 pm by EL34 |
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