Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 02:22:25 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 02:22:25 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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Static on the Reverb troubleshooting
Started by joesatch |
2 Replies
2115 Views |
August 21, 2021, 06:11:35 pmby joesatch |
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Possible source of 4xEL84 transformers
Started by luthierwnc |
6 Replies
3015 Views |
August 21, 2021, 06:10:14 pm by luthierwnc |
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Fender Pro Tube Series Twin Amp Problem
Started by shortfuse |
12 Replies
13845 Views |
August 21, 2021, 01:53:17 pm by OVNIPR |
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11 Replies
3802 Views |
August 21, 2021, 10:32:23 am by texwest |
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trying to identify Transformers
Started by joesatch |
3 Replies
2333 Views |
August 21, 2021, 09:51:25 am by joesatch |
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Fender DDRI Reverb problem
Started by vintasonic |
9 Replies
3364 Views |
August 20, 2021, 07:03:51 pm by tubeswell |
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50W plexi build questions
Started by Bieworm |
29 Replies
7181 Views |
August 19, 2021, 05:33:24 pm by PharmRock |
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40 Replies
9144 Views |
August 19, 2021, 04:21:53 pm by fredg |
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7 Replies
3298 Views |
August 19, 2021, 12:47:32 pm by PRR |
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5e3 hum and squeal at high volume
Started by gerry113377 |
8 Replies
3616 Views |
August 19, 2021, 12:07:48 pm by gerry113377 |
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Adding negative feedback control?
Started by ylelevier77 |
4 Replies
3429 Views |
August 18, 2021, 08:56:30 pm by PRR |
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Adjustable bias board question
Started by Esquirefreak |
5 Replies
2675 Views |
August 18, 2021, 07:18:38 pm by sluckey |
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Taming the Beast
Started by acheld |
8 Replies
3144 Views |
August 18, 2021, 11:07:52 am by SILVERGUN |
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Hoffman 6v6 plexi bias help
Started by Mehfuzhoss |
12 Replies
4500 Views |
August 17, 2021, 02:38:57 pm by Latole |
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weak tremolo intensity
Started by isaac_teller |
6 Replies
3228 Views |
August 17, 2021, 02:38:36 pm by BlackCrowe604 |
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Spectra 60 T schematic needed
Started by Latole |
0 Replies
2288 Views |
August 17, 2021, 04:18:39 am by Latole |
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Amplifier loud hum.
Started by fossilshark |
13 Replies
4837 Views |
August 16, 2021, 08:45:52 pm by PRR |
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715 Replies
273580 Views |
August 16, 2021, 12:09:34 pm by wsscott |
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6G16 heaters
Started by joesatch |
3 Replies
2647 Views |
August 16, 2021, 09:42:19 am by acheld |
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Artificial heater center tap question
Started by AmberB |
1 Replies
2010 Views |
August 16, 2021, 01:07:10 am by kagliostro |
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30 Replies
6755 Views |
August 15, 2021, 10:44:51 pm by AmberB |
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What to build?
Started by CharacterZero |
17 Replies
4954 Views |
August 15, 2021, 10:08:10 pm by CharacterZero |
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Voltage drop resistor value
Started by MacGwyn |
12 Replies
4033 Views |
August 14, 2021, 08:18:11 pm by thetragichero |
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Tracking down DC voltage
Started by Hoodnight |
6 Replies
3058 Views |
August 14, 2021, 09:08:26 am by Willabe |
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Reduce bass on 6G16 Brown Vibroverb
Started by waldner |
5 Replies
2935 Views |
August 14, 2021, 07:19:00 am by sluckey |
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Latest 5e3 build
Started by jrgtwo |
13 Replies
4636 Views |
August 13, 2021, 10:41:21 pm by Willabe |
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Silvertone 1432 mic channel mod
Started by bmccowan |
9 Replies
3598 Views |
August 13, 2021, 06:06:45 pm by bmccowan |
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Ceramic capacitors for guitar amp?
Started by AmberB |
10 Replies
3693 Views |
August 13, 2021, 07:24:37 am by bmccowan |
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Deluxe Reverb '65 reverb not working
Started by Hoodnight |
10 Replies
3627 Views |
August 12, 2021, 09:40:10 pm by Hoodnight |
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Stand alone harmonic tremolo unit
Started by Esquirefreak |
13 Replies
5613 Views |
August 12, 2021, 05:35:19 pm by Esquirefreak |
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10 Replies
3733 Views |
August 12, 2021, 05:05:07 pm by Fraggy0117 |
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Twin Reverb Vibrato
Started by aajeffcote |
9 Replies
3599 Views |
August 10, 2021, 10:33:52 pm by aajeffcote |
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4 Replies
2263 Views |
August 10, 2021, 04:01:13 pm by ShaneCW |
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11 Replies
3805 Views |
August 09, 2021, 09:37:54 pm by PRR |
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Help with distortion characteristics.
Started by walkman |
18 Replies
5117 Views |
August 09, 2021, 08:49:01 pm by sluckey |
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Wiring guestion AC15 variant
Started by jyrki3101 |
17 Replies
3775 Views |
August 09, 2021, 03:41:37 pm by jyrki3101 |
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Which 2204 should I build?
Started by waldner |
6 Replies
2764 Views |
August 09, 2021, 06:23:30 am by sluckey |
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Question on D`Lite schematic
Started by punkykatt |
6 Replies
3722 Views |
August 08, 2021, 01:11:15 pm by tbn |
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Safety switch for no load
Started by timmyjoe |
6 Replies
2760 Views |
August 06, 2021, 05:26:23 pm by timmyjoe |
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Fender Model 30 Thermal Issue
Started by RadioComm |
29 Replies
7075 Views |
August 06, 2021, 01:54:56 pm by RadioComm |
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Speaker Line Out
Started by tubenit |
10 Replies
3882 Views |
August 06, 2021, 05:27:45 am by pdf64 |
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Low Voltage PT
Started by aajeffcote |
4 Replies
2335 Views |
August 05, 2021, 07:32:58 pm by aajeffcote |
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Hum issue on a 2204 build.
Started by warioblast « 1 2 » |
53 Replies
11009 Views |
August 05, 2021, 04:24:16 pm by warioblast |
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11 Replies
4299 Views |
August 04, 2021, 06:39:25 pm by sluckey |
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28 Replies
6429 Views |
August 04, 2021, 04:37:22 pm by plexi50 |
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Power Tube Find EL34 / 8417
Started by plexi50 |
3 Replies
2518 Views |
August 04, 2021, 04:34:28 pm by plexi50 |
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16 Replies
3828 Views |
August 04, 2021, 01:42:20 pm by EL34 |
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Transformer repair?
Started by 72Blazer |
13 Replies
5303 Views |
August 04, 2021, 08:22:57 am by Willabe |
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Output transformer for 6GW8 pp amp
Started by jamesedmunda |
3 Replies
2561 Views |
August 03, 2021, 08:26:53 pm by PRR |
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125P5DX Transformer Qs
Started by 72Blazer |
11 Replies
3563 Views |
August 03, 2021, 08:13:29 pm by 72Blazer |
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