Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 01:40:44 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 01:40:44 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 60 Guests are viewing this board. | ||||
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Output Trans question
Started by pda041376 |
14 Replies
3532 Views |
September 14, 2020, 08:24:22 pmby AmberB |
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Heater reference voltage question
Started by AmberB |
6 Replies
2385 Views |
September 14, 2020, 10:16:52 am by HotBluePlates |
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quick question on heater wiring
Started by AmberB |
2 Replies
1762 Views |
September 13, 2020, 10:05:28 am by HotBluePlates |
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Heater filament resistance question
Started by Joel |
7 Replies
3953 Views |
September 13, 2020, 09:50:48 am by HotBluePlates |
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Rail Voltage on Grids
Started by Wanabejimi |
3 Replies
1866 Views |
September 13, 2020, 09:50:46 am by Wanabejimi |
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16 Replies
3922 Views |
September 12, 2020, 12:25:42 am by PRR |
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1/2w vs 1w resistors 5f1 build
Started by British1011 |
27 Replies
9685 Views |
September 11, 2020, 04:14:12 pm by 66Strat |
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Stumped on bias problem
Started by luthierwnc |
19 Replies
5170 Views |
September 11, 2020, 11:50:17 am by PRR |
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Pro Jr. Layout?
Started by revel |
9 Replies
13501 Views |
September 10, 2020, 01:23:22 pm by EL34 |
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Need advice: help me chart a course
Started by rockrink |
26 Replies
5700 Views |
September 09, 2020, 09:33:37 pm by bmccowan |
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6 Replies
3842 Views |
September 09, 2020, 07:33:25 pm by tubeswell |
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Looking for Guidance
Started by Jacob |
12 Replies
3544 Views |
September 09, 2020, 01:32:46 pm by Jacob |
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Fender Ramparte Issue
Started by ListerHayes |
5 Replies
2652 Views |
September 09, 2020, 12:54:51 pm by shooter |
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1 Replies
1722 Views |
September 09, 2020, 10:09:07 am by pdf64 |
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10 Replies
2748 Views |
September 09, 2020, 09:43:40 am by texwest |
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5 Replies
2360 Views |
September 08, 2020, 08:06:26 pm by Toxophilite |
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1 Replies
1678 Views |
September 08, 2020, 07:12:49 pm by PRR |
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Need help selecting choke size please
Started by leftu2 |
12 Replies
4396 Views |
September 08, 2020, 06:28:01 pm by tubeswell |
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SmokedMeat Amp Layout
Started by DevD |
0 Replies
3179 Views |
September 08, 2020, 01:29:21 pm by DevD |
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Plexi project using 6973's
Started by 1blueheron |
29 Replies
7945 Views |
September 07, 2020, 08:49:14 am by bmccowan |
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AO-44 to AC10?
Started by MWaldorf |
36 Replies
8328 Views |
September 05, 2020, 07:39:18 pm by MWaldorf |
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13 Replies
4024 Views |
September 05, 2020, 02:45:50 pm by Latole |
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Mesa "Duo-Class" Power
Started by OrganicEffects |
3 Replies
2834 Views |
September 05, 2020, 12:11:51 pm by OrganicEffects |
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"better TMB Tone Stack" post elsewhere
Started by PRR |
7 Replies
2966 Views |
September 04, 2020, 07:38:54 pm by Tone Junkie |
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Marshall 3315 power transformer?
Started by Searing |
4 Replies
1945 Views |
September 04, 2020, 04:19:54 pm by DummyLoad |
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Fender Deluxe single channel
Started by dude |
9 Replies
2991 Views |
September 03, 2020, 09:23:17 pm by dude |
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Single Ended Supro Thunderbolt?
Started by passaloutre |
12 Replies
4960 Views |
September 03, 2020, 06:11:59 pm by HotBluePlates |
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4 Replies
2079 Views |
September 03, 2020, 02:39:20 pm by PRR |
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15 Replies
4319 Views |
September 03, 2020, 08:01:23 am by JayCobie |
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Marshall 2204 FX loop
Started by SoundCity85 |
3 Replies
2556 Views |
September 02, 2020, 10:08:45 pm by 2deaf |
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3 Replies
2659 Views |
September 02, 2020, 12:56:36 pm by lbitton93 |
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30 Replies
5082 Views |
September 02, 2020, 06:45:03 am by sluckey |
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2 Replies
1808 Views |
September 02, 2020, 04:33:34 am by FranciscoPerez |
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What's the Frequency?
Started by JustMike |
3 Replies
2025 Views |
September 01, 2020, 02:06:21 am by Williamblake |
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54 Replies
9756 Views |
August 31, 2020, 09:20:13 pm by yorgle |
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Line level into a 5751 pre?
Started by shaun |
18 Replies
4197 Views |
August 31, 2020, 03:22:34 pm by shaun |
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Series heater wiring oddity
Started by Bieworm |
24 Replies
8037 Views |
August 31, 2020, 02:50:54 pm by sluckey |
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rectifier diodes in AA270 twin
Started by mresistor |
5 Replies
2219 Views |
August 31, 2020, 10:10:42 am by pdf64 |
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33 Replies
8598 Views |
August 31, 2020, 02:43:01 am by CJ_Audio |
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Reverb pans - modern vs vintage
Started by MWaldorf |
3 Replies
1867 Views |
August 29, 2020, 06:17:49 pm by HotBluePlates |
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9 Replies
5732 Views |
August 29, 2020, 07:16:10 am by Nicklsm |
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Heaters
Started by davidwpack |
8 Replies
2556 Views |
August 28, 2020, 11:59:11 pm by davidwpack |
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Old resistor identification
Started by yorgle |
17 Replies
4375 Views |
August 28, 2020, 07:39:58 pm by PRR |
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Botched 1979 JMP... advice?
Started by Opry Audio « 1 2 » |
64 Replies
10127 Views |
August 28, 2020, 03:51:40 pm by Opry Audio |
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22 Replies
6802 Views |
August 28, 2020, 01:34:49 pm by eurekaiv |
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5E3 Build-Problems
Started by andy81563 |
4 Replies
1835 Views |
August 28, 2020, 01:10:48 pm by 6v6Pin1 |
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110V pilot lamp light
Started by Mehfuzhoss |
8 Replies
3155 Views |
August 27, 2020, 05:48:04 am by sluckey |
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Heavily Modded Bassman Clone Schematic
Started by wittyjeff |
7 Replies
2656 Views |
August 26, 2020, 01:10:24 pm by HotBluePlates |
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JCM900 DR100w mods
Started by Opry Audio |
12 Replies
4631 Views |
August 26, 2020, 10:38:57 am by pdf64 |
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Tubenit's DeCleanVerb
Started by JustMike |
2 Replies
1714 Views |
August 25, 2020, 02:51:13 pm by sluckey |
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