Welcome To the Hoffman Amplifiers Forum
April 28, 2026, 02:13:22 am
Welcome To the Hoffman Amplifiers ForumApril 28, 2026, 02:13:22 am | ||
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ST-2 Rectifier
Started by dpm309 |
6 Replies
4742 Views |
September 30, 2011, 03:54:02 pmby HotBluePlates |
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dorm amp build
Started by jim |
5 Replies
4899 Views |
September 30, 2011, 03:48:04 pm by TIMBO |
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6 Replies
7489 Views |
September 30, 2011, 03:47:02 pm by frank57 |
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Cap question
Started by labb |
12 Replies
6483 Views |
September 29, 2011, 05:25:37 pm by FYL |
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Question of Curiosity + an odd-ball tube
Started by Shrapnel |
3 Replies
4070 Views |
September 29, 2011, 04:57:06 pm by jjasilli |
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13 Replies
7172 Views |
September 29, 2011, 01:44:17 pm by phsyconoodler |
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Laney VH100 OT failure?
Started by mrr3000gt |
7 Replies
5449 Views |
September 29, 2011, 08:43:48 am by mrr3000gt |
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37 Replies
13050 Views |
September 29, 2011, 08:07:33 am by frank57 |
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9 Replies
6314 Views |
September 29, 2011, 07:39:22 am by sluckey |
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Master volume for Tweed deluxe
Started by Leevi |
37 Replies
17980 Views |
September 29, 2011, 12:03:37 am by Leevi |
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Peavey Delta Blues repair
Started by six el six |
16 Replies
16092 Views |
September 28, 2011, 07:39:57 pm by six el six |
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3 Replies
9203 Views |
September 28, 2011, 10:38:10 am by terminalgs |
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How to troubleshoot ground hum?
Started by JustMike |
11 Replies
10914 Views |
September 28, 2011, 10:23:34 am by jjasilli |
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FYI- tubes get hot!
Started by firemedic |
11 Replies
7049 Views |
September 26, 2011, 04:31:45 pm by Merlin |
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Magnatone/Estey M-15 Schematic ??
Started by LooseChange |
5 Replies
6251 Views |
September 26, 2011, 10:44:11 am by terminalgs |
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Tone Pot Value
Started by blown240 |
7 Replies
5370 Views |
September 26, 2011, 10:19:15 am by jjasilli |
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Proofread schematic?
Started by John |
5 Replies
4199 Views |
September 26, 2011, 09:37:43 am by John |
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UL Screen Tap Question...
Started by Ritchie200 |
10 Replies
7464 Views |
September 26, 2011, 04:08:37 am by Merlin |
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5 Replies
4837 Views |
September 25, 2011, 09:11:32 pm by firemedic |
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MIEC capacitors, Tiawan
Started by Tiny_Daddy |
3 Replies
7553 Views |
September 25, 2011, 06:39:46 pm by FYL |
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Other two odd tubes - 6DN7 & 12JT6A
Started by kagliostro |
6 Replies
7345 Views |
September 25, 2011, 03:42:57 pm by kagliostro |
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3 Replies
5572 Views |
September 25, 2011, 03:01:02 pm by escopunk |
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Cap substitution
Started by Mars-Hall |
4 Replies
3829 Views |
September 25, 2011, 12:48:37 pm by bigsbybender |
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Tremolo question
Started by Leevi |
2 Replies
3422 Views |
September 25, 2011, 08:31:06 am by Tiny_Daddy |
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SFSR cathode resistors
Started by Mars-Hall |
1 Replies
3277 Views |
September 24, 2011, 10:39:17 pm by sluckey |
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Car Tube Radio into an Amp?
Started by blown240 |
8 Replies
4964 Views |
September 24, 2011, 08:44:21 pm by blown240 |
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Fender The Twin Reverb Problem
Started by plexi50 |
13 Replies
10092 Views |
September 24, 2011, 06:32:44 pm by plexi50 |
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Since it's SE week at Hoffman
Started by RicharD |
7 Replies
4633 Views |
September 23, 2011, 09:13:18 pm by DummyLoad |
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transformer impedence
Started by rdrgtr |
11 Replies
5735 Views |
September 23, 2011, 04:10:55 pm by bobmegantz |
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power tube coupling caps
Started by ernie_jr |
1 Replies
3484 Views |
September 23, 2011, 03:22:27 pm by FYL |
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23 Replies
13661 Views |
September 23, 2011, 02:15:50 am by Tone Junkie |
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What circuit is a 1973 Twin Reverb?
Started by panhead |
4 Replies
5914 Views |
September 22, 2011, 11:56:12 am by panhead |
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6sl7 vs 12ax7 and 7199 in ampegs
Started by ernie_jr |
12 Replies
11751 Views |
September 22, 2011, 11:55:19 am by panhead |
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Help Me ID This Transformer
Started by blown240 |
20 Replies
7234 Views |
September 21, 2011, 01:36:55 pm by kagliostro |
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Musicman HD130 on the bench
Started by LooseChange |
16 Replies
11266 Views |
September 21, 2011, 09:51:15 am by km888 |
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JTM 45 and Caps
Started by Ed_Chambley |
7 Replies
5789 Views |
September 21, 2011, 01:16:27 am by The_Gaz |
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Fender reverb - go figure
Started by Tiny_Daddy |
11 Replies
6011 Views |
September 20, 2011, 10:53:42 pm by HotBluePlates |
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3 Replies
3561 Views |
September 20, 2011, 06:36:42 pm by tubenit |
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wiring a 2203 PT
Started by phsyconoodler |
12 Replies
8593 Views |
September 20, 2011, 02:03:51 pm by jojokeo |
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To change or not to change (OT)
Started by Cups |
6 Replies
4532 Views |
September 20, 2011, 12:26:56 pm by sluckey |
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MOVED: Amp Show
Started by EL34 |
0 Replies
2977 Views |
September 19, 2011, 05:51:19 pm by EL34 |
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Bias Pots
Started by Ed_Chambley |
7 Replies
5833 Views |
September 19, 2011, 05:42:29 pm by EL34 |
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Filter Cap Question
Started by dpm309 |
20 Replies
11465 Views |
September 19, 2011, 03:24:28 pm by dpm309 |
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My Little Wing
Started by Boots Deville |
7 Replies
4979 Views |
September 19, 2011, 10:04:48 am by zendragon63 |
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23 Replies
13050 Views |
September 19, 2011, 12:16:49 am by SleepLess |
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6 Replies
7481 Views |
September 18, 2011, 04:17:20 pm by kagliostro |
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Carolina HummingBird OD
Started by tubenit |
11 Replies
6373 Views |
September 18, 2011, 02:19:18 pm by TIMBO |
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6J6A Long Tail Phase Inverter.
Started by DummyLoad |
3 Replies
4920 Views |
September 17, 2011, 09:39:45 pm by DummyLoad |
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Eliminating a gain stage
Started by dude |
6 Replies
4744 Views |
September 17, 2011, 04:33:35 pm by dude |
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The Twin Biasing Problem
Started by plexi50 |
7 Replies
4796 Views |
September 17, 2011, 03:51:36 pm by stratele52 |
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