Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 04:50:59 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 04:50:59 pm | ||
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parallel input
Started by bnew63 |
3 Replies
2507 Views |
March 21, 2012, 02:28:26 pmby bnew63 |
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huuummmmm!
Started by billcreller |
25 Replies
7022 Views |
March 21, 2012, 12:01:19 pm by HotBluePlates |
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Zener diodes in the center tap
Started by phsyconoodler |
9 Replies
8330 Views |
March 20, 2012, 08:08:45 pm by sluckey |
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Blues DeVille
Started by plexi50 |
4 Replies
2458 Views |
March 20, 2012, 02:33:56 pm by plexi50 |
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3 Replies
2312 Views |
March 20, 2012, 11:57:55 am by BarnBand |
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Ampeg V4 Tube replacement
Started by gar13 |
2 Replies
2560 Views |
March 20, 2012, 11:25:07 am by birt |
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Help - Board Layout Using Radial PSU Caps
Started by ncusack |
11 Replies
5269 Views |
March 20, 2012, 07:19:03 am by ncusack |
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Fixed Voltage VVR
Started by TIMBO |
2 Replies
2191 Views |
March 20, 2012, 04:11:46 am by kagliostro |
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11 Replies
3736 Views |
March 20, 2012, 01:33:50 am by Tone Junkie |
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Alternate depth mod values
Started by navdave |
5 Replies
2827 Views |
March 19, 2012, 08:52:33 pm by HotBluePlates |
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BASSMAN AB 165
Started by Colas LeGrippa |
14 Replies
4517 Views |
March 19, 2012, 07:03:12 pm by Colas LeGrippa |
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anyone know Industro tubes?
Started by birt |
7 Replies
3153 Views |
March 19, 2012, 02:27:21 pm by birt |
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Amplifier switchcraft output jacks
Started by schoolie |
4 Replies
2435 Views |
March 19, 2012, 01:21:32 pm by schoolie |
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Orange OR80 runaway bias
Started by ronco05 |
6 Replies
3613 Views |
March 19, 2012, 12:40:47 pm by ronco05 |
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6x5gt
Started by mark_enger |
6 Replies
4529 Views |
March 19, 2012, 09:41:10 am by sluckey |
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7 Replies
3115 Views |
March 19, 2012, 06:35:51 am by EL34 |
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6V6 TOS
Started by stingray_65 |
21 Replies
5717 Views |
March 19, 2012, 02:27:31 am by tubeswell |
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Fender amp voltages
Started by daveyajd |
8 Replies
3152 Views |
March 19, 2012, 12:48:17 am by daveyajd |
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Old Transformer Logo
Started by plexi50 |
3 Replies
2187 Views |
March 18, 2012, 10:34:58 pm by bigsbybender |
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lowering plates from 440VDC to 400 or less?
Started by 12AX7 |
15 Replies
5852 Views |
March 18, 2012, 07:37:59 pm by jjasilli |
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bias balance pot help please
Started by JCSIFU |
13 Replies
6382 Views |
March 18, 2012, 03:20:04 pm by JCSIFU |
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5 Replies
3023 Views |
March 18, 2012, 10:42:46 am by bruno |
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Blues DeVille PI Problem
Started by plexi50 |
3 Replies
2457 Views |
March 18, 2012, 05:25:57 am by bruno |
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circuit for a low wattage amp
Started by Leevi |
4 Replies
2520 Views |
March 17, 2012, 07:46:04 pm by tubenit |
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Poor Man's 5E3 - Help Stop the Pop
Started by Boots Deville |
10 Replies
3857 Views |
March 17, 2012, 06:25:36 am by LooseChange |
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TUBES and dangerous X RAYS
Started by Colas LeGrippa |
6 Replies
4425 Views |
March 16, 2012, 06:11:24 pm by Colas LeGrippa |
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Crate Vintage Club 60 Part ID
Started by plexi50 |
17 Replies
6766 Views |
March 16, 2012, 05:03:52 pm by Willabe |
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Vintage Club 60 PT Fried
Started by plexi50 |
1 Replies
2283 Views |
March 16, 2012, 03:35:03 pm by plexi50 |
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thermistor question
Started by worth |
2 Replies
1885 Views |
March 16, 2012, 03:27:47 pm by worth |
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low output on scratch build
Started by dixiepig |
12 Replies
3845 Views |
March 16, 2012, 11:53:10 am by archaos |
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AC cooling fan switching pops
Started by Baguette |
5 Replies
2971 Views |
March 16, 2012, 08:15:00 am by Baguette |
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BASSMAN BLONDE
Started by Colas LeGrippa |
7 Replies
2723 Views |
March 16, 2012, 05:09:39 am by stratele52 |
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Fender DRRI PT, help needed!
Started by ACHIEVEIT |
4 Replies
2575 Views |
March 16, 2012, 04:50:12 am by ACHIEVEIT |
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AC30 meets Tweed Deluxe?
Started by Mors08 |
4 Replies
2808 Views |
March 15, 2012, 05:42:28 pm by bruno |
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21 Replies
4855 Views |
March 15, 2012, 02:07:25 pm by leon |
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1 Replies
2206 Views |
March 15, 2012, 12:57:13 pm by Ritchie200 |
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Delta Blues OD Channel Problem
Started by plexi50 |
7 Replies
2623 Views |
March 15, 2012, 12:13:23 pm by plexi50 |
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30 Replies
9469 Views |
March 15, 2012, 11:41:27 am by EL34 |
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13 Replies
7068 Views |
March 15, 2012, 11:36:44 am by plexi50 |
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PT/OT distance?
Started by Madison |
30 Replies
8648 Views |
March 15, 2012, 07:06:56 am by darryl |
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Power Section Choke on Chiefton
Started by Ed_Chambley |
3 Replies
2273 Views |
March 14, 2012, 04:19:33 pm by Ed_Chambley |
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5F6a preamp to Sunn PI?
Started by firemedic |
2 Replies
2280 Views |
March 14, 2012, 10:18:20 am by firemedic |
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Need help finding a potentiometer
Started by dude |
6 Replies
2951 Views |
March 13, 2012, 03:23:23 pm by dude |
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cathodyne phase inverter ?
Started by danger-russ |
14 Replies
6995 Views |
March 13, 2012, 02:04:54 pm by HotBluePlates |
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Vibrochamp
Started by firemedic |
8 Replies
3570 Views |
March 13, 2012, 01:58:49 pm by HotBluePlates |
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Adding Dwell to Fender reverb - useful?
Started by The_Gaz |
10 Replies
11762 Views |
March 13, 2012, 01:51:40 pm by Fresh_Start |
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First Amp Build 5E3. Wire gauge question
Started by olgoat |
2 Replies
3068 Views |
March 13, 2012, 11:52:12 am by olgoat |
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7 Replies
3113 Views |
March 13, 2012, 09:57:31 am by jim |
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How it's Made video...
Started by TubeGeek |
2 Replies
1945 Views |
March 13, 2012, 03:30:13 am by kagliostro |
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Phase-4 power control system.
Started by Otis |
9 Replies
4937 Views |
March 12, 2012, 07:32:30 pm by HotBluePlates |
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