Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:53:04 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:53:04 am | ||
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11 Replies
10455 Views |
November 01, 2011, 09:31:40 amby FYL |
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Doug's custom board progam rocks
Started by ernie_jr |
3 Replies
2385 Views |
November 01, 2011, 07:21:57 am by EL34 |
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Chunky switch
Started by PRR |
2 Replies
2196 Views |
November 01, 2011, 01:48:22 am by kagliostro |
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Hammond organ OT question
Started by bigsbybender |
2 Replies
3322 Views |
October 31, 2011, 11:35:35 pm by bigsbybender |
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What power transformer would work?
Started by theundeadelvis |
12 Replies
5430 Views |
October 31, 2011, 06:34:35 pm by theundeadelvis |
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Hello....1st question regarding PI
Started by 12AX7 |
9 Replies
5272 Views |
October 31, 2011, 10:24:51 am by 12AX7 |
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0 Replies
2789 Views |
October 30, 2011, 02:58:12 pm by Ryteone |
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VVR and PPIMV - Yay or Nay
Started by theundeadelvis |
5 Replies
4784 Views |
October 30, 2011, 02:33:20 pm by Willabe |
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1 Replies
2071 Views |
October 30, 2011, 12:31:19 pm by sluckey |
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tweaking a '59 RI Bassman LTD
Started by tubeswell |
1 Replies
2562 Views |
October 30, 2011, 08:26:18 am by sluckey |
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Need some help with debugging an amp
Started by G._Hoffman |
9 Replies
3516 Views |
October 30, 2011, 06:45:05 am by LooseChange |
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3 Replies
3467 Views |
October 29, 2011, 01:40:31 pm by kagliostro |
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Marshall class 5
Started by Leevi |
0 Replies
2781 Views |
October 29, 2011, 11:34:21 am by Leevi |
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paralleled SE output tubes
Started by Colas LeGrippa |
3 Replies
2717 Views |
October 29, 2011, 10:52:27 am by stratele52 |
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Grid leak on KT88
Started by LooseChange |
7 Replies
4629 Views |
October 29, 2011, 09:13:46 am by ernie_jr |
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My PT is dead but reads fine. WTF?
Started by Baguette |
9 Replies
3587 Views |
October 29, 2011, 08:26:17 am by Baguette |
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Tremolo Ckt in Silvertone 1344
Started by mrm0to |
2 Replies
2930 Views |
October 28, 2011, 01:20:48 pm by mrm0to |
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ampeg home brew
Started by ernie_jr |
0 Replies
2148 Views |
October 28, 2011, 08:05:27 am by ernie_jr |
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Silver Jubilee Hum
Started by plexi50 |
2 Replies
2407 Views |
October 27, 2011, 02:54:18 pm by plexi50 |
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5 Replies
4751 Views |
October 27, 2011, 08:52:45 am by Jennings |
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NHAD!! (New homebrew amp day)
Started by Danskman |
18 Replies
5687 Views |
October 26, 2011, 08:16:37 pm by Madison |
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6 Replies
4516 Views |
October 26, 2011, 11:00:58 am by bruno |
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B+ Connection JTM 45
Started by Ed_Chambley |
5 Replies
3507 Views |
October 26, 2011, 09:56:14 am by sluckey |
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Capacitor Value?
Started by plexi50 |
5 Replies
2811 Views |
October 26, 2011, 03:41:41 am by stratele52 |
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6 Replies
3356 Views |
October 25, 2011, 04:05:59 pm by gldtp99 |
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63 vibroverb cabinet dimensions
Started by phsyconoodler |
3 Replies
5995 Views |
October 25, 2011, 03:53:50 pm by FYL |
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Extension Cabinet
Started by rosenfeld88 |
1 Replies
1983 Views |
October 25, 2011, 11:32:15 am by PRR |
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3 Replies
2136 Views |
October 24, 2011, 09:58:56 am by RicharD |
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5E3 troubles
Started by Madison |
2 Replies
2403 Views |
October 24, 2011, 01:42:42 am by Madison |
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Strange noise Fender Bassman AB165
Started by dude |
5 Replies
3574 Views |
October 23, 2011, 09:37:50 pm by dude |
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11 Replies
4467 Views |
October 23, 2011, 07:43:08 pm by HotBluePlates |
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BF Vibrochamp
Started by six el six |
5 Replies
2861 Views |
October 23, 2011, 07:37:11 pm by HotBluePlates |
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9 Replies
3756 Views |
October 23, 2011, 02:08:04 pm by HotBluePlates |
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7 Replies
2965 Views |
October 23, 2011, 08:38:24 am by HotBluePlates |
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5 Replies
4758 Views |
October 23, 2011, 02:24:48 am by kagliostro |
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Question about DC filament supply (Madison)
Started by gmoon |
19 Replies
9521 Views |
October 22, 2011, 11:33:14 pm by HotBluePlates |
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Replacing Filter caps
Started by pbman1953 |
10 Replies
3967 Views |
October 22, 2011, 01:19:48 pm by pbman1953 |
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Pinto Bean
Started by RicharD |
6 Replies
3092 Views |
October 22, 2011, 11:08:18 am by RicharD |
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jtm 45 negative voltage v2
Started by Ed_Chambley |
7 Replies
3288 Views |
October 21, 2011, 09:49:01 am by Ed_Chambley |
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Heathkit A-9c
Started by DummyLoad |
8 Replies
8239 Views |
October 21, 2011, 03:38:07 am by DummyLoad |
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6 Replies
3862 Views |
October 19, 2011, 11:10:07 pm by stingray_65 |
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Extra preamp stage a good idea here?
Started by panhead |
4 Replies
2453 Views |
October 19, 2011, 09:47:03 pm by panhead |
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Is This The Right Tube
Started by blown240 |
6 Replies
3085 Views |
October 19, 2011, 05:48:45 pm by firemedic |
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What Do I Have Here?
Started by blown240 |
2 Replies
2021 Views |
October 19, 2011, 04:59:53 pm by labb |
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Volume Pot Testing
Started by blown240 |
6 Replies
2776 Views |
October 19, 2011, 03:51:43 pm by stratele52 |
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6MB8 vs. 6BM8
Started by tubenit |
7 Replies
5966 Views |
October 19, 2011, 08:34:36 am by tubenit |
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SE 30W AUDIO TRANSFORMER
Started by Colas LeGrippa |
5 Replies
3131 Views |
October 19, 2011, 01:26:48 am by kagliostro |
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Hall VVR3 and JTM 45
Started by Ed_Chambley |
7 Replies
4818 Views |
October 18, 2011, 04:48:40 am by FYL |
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amp 'Z' matcher
Started by phsyconoodler |
2 Replies
2361 Views |
October 17, 2011, 11:16:00 pm by Deric |
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DRRI bias problem
Started by Throstur |
18 Replies
4857 Views |
October 17, 2011, 06:17:09 pm by phsyconoodler |
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