Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 11:18:44 am
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 11:18:44 am | ||
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| 0 Members and 42 Guests are viewing this board. | ||||
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50W plexi build questions
Started by Bieworm |
29 Replies
8659 Views |
August 19, 2021, 05:33:24 pmby PharmRock |
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40 Replies
10876 Views |
August 19, 2021, 04:21:53 pm by fredg |
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7 Replies
4228 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
4500 Views |
August 19, 2021, 12:07:48 pm by gerry113377 |
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Adding negative feedback control?
Started by ylelevier77 |
4 Replies
4359 Views |
August 18, 2021, 08:56:30 pm by PRR |
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Adjustable bias board question
Started by Esquirefreak |
5 Replies
3481 Views |
August 18, 2021, 07:18:38 pm by sluckey |
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Taming the Beast
Started by acheld |
8 Replies
4048 Views |
August 18, 2021, 11:07:52 am by SILVERGUN |
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Hoffman 6v6 plexi bias help
Started by Mehfuzhoss |
12 Replies
5599 Views |
August 17, 2021, 02:38:57 pm by Latole |
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weak tremolo intensity
Started by isaac_teller |
6 Replies
4223 Views |
August 17, 2021, 02:38:36 pm by BlackCrowe604 |
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Spectra 60 T schematic needed
Started by Latole |
0 Replies
3081 Views |
August 17, 2021, 04:18:39 am by Latole |
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Amplifier loud hum.
Started by fossilshark |
13 Replies
6468 Views |
August 16, 2021, 08:45:52 pm by PRR |
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715 Replies
315589 Views |
August 16, 2021, 12:09:34 pm by wsscott |
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6G16 heaters
Started by joesatch |
3 Replies
3656 Views |
August 16, 2021, 09:42:19 am by acheld |
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Artificial heater center tap question
Started by AmberB |
1 Replies
2793 Views |
August 16, 2021, 01:07:10 am by kagliostro |
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30 Replies
8201 Views |
August 15, 2021, 10:44:51 pm by AmberB |
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What to build?
Started by CharacterZero |
17 Replies
6186 Views |
August 15, 2021, 10:08:10 pm by CharacterZero |
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Voltage drop resistor value
Started by MacGwyn |
12 Replies
5112 Views |
August 14, 2021, 08:18:11 pm by thetragichero |
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Tracking down DC voltage
Started by Hoodnight |
6 Replies
4091 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
3772 Views |
August 14, 2021, 07:19:00 am by sluckey |
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Latest 5e3 build
Started by jrgtwo |
13 Replies
5777 Views |
August 13, 2021, 10:41:21 pm by Willabe |
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Silvertone 1432 mic channel mod
Started by bmccowan |
9 Replies
4516 Views |
August 13, 2021, 06:06:45 pm by bmccowan |
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Ceramic capacitors for guitar amp?
Started by AmberB |
10 Replies
4642 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
4739 Views |
August 12, 2021, 09:40:10 pm by Hoodnight |
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Stand alone harmonic tremolo unit
Started by Esquirefreak |
13 Replies
6729 Views |
August 12, 2021, 05:35:19 pm by Esquirefreak |
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10 Replies
4796 Views |
August 12, 2021, 05:05:07 pm by Fraggy0117 |
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Twin Reverb Vibrato
Started by aajeffcote |
9 Replies
4527 Views |
August 10, 2021, 10:33:52 pm by aajeffcote |
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4 Replies
3048 Views |
August 10, 2021, 04:01:13 pm by ShaneCW |
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11 Replies
4796 Views |
August 09, 2021, 09:37:54 pm by PRR |
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Help with distortion characteristics.
Started by walkman |
18 Replies
6463 Views |
August 09, 2021, 08:49:01 pm by sluckey |
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Wiring guestion AC15 variant
Started by jyrki3101 |
17 Replies
4670 Views |
August 09, 2021, 03:41:37 pm by jyrki3101 |
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Which 2204 should I build?
Started by waldner |
6 Replies
3581 Views |
August 09, 2021, 06:23:30 am by sluckey |
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Question on D`Lite schematic
Started by punkykatt |
6 Replies
4683 Views |
August 08, 2021, 01:11:15 pm by tbn |
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Safety switch for no load
Started by timmyjoe |
6 Replies
3582 Views |
August 06, 2021, 05:26:23 pm by timmyjoe |
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Fender Model 30 Thermal Issue
Started by RadioComm |
29 Replies
8528 Views |
August 06, 2021, 01:54:56 pm by RadioComm |
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Speaker Line Out
Started by tubenit |
10 Replies
4924 Views |
August 06, 2021, 05:27:45 am by pdf64 |
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Low Voltage PT
Started by aajeffcote |
4 Replies
3181 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
13752 Views |
August 05, 2021, 04:24:16 pm by warioblast |
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11 Replies
5295 Views |
August 04, 2021, 06:39:25 pm by sluckey |
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28 Replies
7776 Views |
August 04, 2021, 04:37:22 pm by plexi50 |
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Power Tube Find EL34 / 8417
Started by plexi50 |
3 Replies
3245 Views |
August 04, 2021, 04:34:28 pm by plexi50 |
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16 Replies
4757 Views |
August 04, 2021, 01:42:20 pm by EL34 |
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Transformer repair?
Started by 72Blazer |
13 Replies
6283 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
3339 Views |
August 03, 2021, 08:26:53 pm by PRR |
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125P5DX Transformer Qs
Started by 72Blazer |
11 Replies
4572 Views |
August 03, 2021, 08:13:29 pm by 72Blazer |
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4 Replies
3111 Views |
August 03, 2021, 08:11:57 pm by PRR |
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Diagnosing hum
Started by fossilshark |
2 Replies
2603 Views |
August 03, 2021, 04:29:55 pm by Willabe |
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Princeton reverb reissue started ticking
Started by Joe6v6 |
11 Replies
5423 Views |
August 03, 2021, 12:08:52 pm by Joe6v6 |
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Step down transformer question
Started by Esquirefreak |
27 Replies
6039 Views |
August 03, 2021, 11:00:27 am by Esquirefreak |
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Transformer Help
Started by Jim Nasium |
8 Replies
4273 Views |
August 03, 2021, 06:48:08 am by j_bruce |
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Farfisa RSC-350 Amplifier
Started by AndrewK |
1 Replies
3112 Views |
August 03, 2021, 03:20:30 am by Latole |
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