Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 11:43:18 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 11:43:18 pm | ||
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5f6a - 4 Filter Caps vs. Hoffman’s 5?
Started by Mr. Mojo |
3 Replies
2126 Views |
March 24, 2020, 02:56:18 pmby 66Strat |
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Bias drift
Started by Captain chunkulus |
4 Replies
2746 Views |
March 24, 2020, 10:01:43 am by tubeswell |
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6G2/5E3 hybrid
Started by shaun |
12 Replies
3379 Views |
March 24, 2020, 05:28:31 am by shooter |
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9 Replies
3981 Views |
March 23, 2020, 01:07:09 pm by kagliostro |
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Need help with Fender Champ 12
Started by dude |
8 Replies
5106 Views |
March 23, 2020, 12:34:03 pm by shooter |
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1964 Vibroverb AA763 Reverb noise
Started by Darkpr0 |
7 Replies
2579 Views |
March 23, 2020, 11:41:26 am by Darkpr0 |
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3 Replies
1956 Views |
March 23, 2020, 11:17:02 am by jjasilli |
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23 Replies
5129 Views |
March 23, 2020, 02:37:00 am by jase128 |
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6G3 Deluxe cap job
Started by Mars-Hall |
3 Replies
2021 Views |
March 22, 2020, 01:19:58 am by PRR |
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What amp to build? need direction about transformers
Started by orangehead72 « 1 2 » |
67 Replies
10021 Views |
March 21, 2020, 02:19:21 pm by orangehead72 |
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10 Replies
3722 Views |
March 20, 2020, 08:23:59 pm by nihonlabtiger |
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Fender Vibrolux reverb silverface
Started by Big chief |
9 Replies
2721 Views |
March 20, 2020, 06:27:24 pm by shooter |
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11 Replies
2812 Views |
March 20, 2020, 05:58:11 pm by eurekaiv |
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Dc heaters
Started by Rockranger |
2 Replies
1791 Views |
March 20, 2020, 04:07:09 pm by Rockranger |
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Impossible output transformer
Started by gja |
20 Replies
4855 Views |
March 20, 2020, 10:41:22 am by kagliostro |
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Phase inversion on a low-watt amp?
Started by kharrisma |
7 Replies
3078 Views |
March 20, 2020, 05:44:02 am by kagliostro |
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5E3 problem
Started by Rockranger |
6 Replies
2251 Views |
March 20, 2020, 02:54:00 am by Rockranger |
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25 Replies
7700 Views |
March 19, 2020, 07:06:45 pm by Ibanezgrind |
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6 Replies
2741 Views |
March 19, 2020, 08:34:23 am by gkaada |
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Bias supply problem
Started by Sonny ReVerb |
10 Replies
2775 Views |
March 18, 2020, 01:12:41 pm by PRR |
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16 Replies
4182 Views |
March 17, 2020, 08:22:38 pm by tony321owen |
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Having an issue with one of my 6V6 Plexi's
Started by dude |
3 Replies
1896 Views |
March 17, 2020, 03:32:15 pm by dude |
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MOVED: Princeton Head Cabinet For Sale
Started by EL34 |
0 Replies
1519 Views |
March 17, 2020, 07:30:44 am by EL34 |
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149 Replies
42849 Views |
March 15, 2020, 12:32:12 pm by tubenit |
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2 Replies
2302 Views |
March 15, 2020, 06:20:43 am by JayCobie |
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my first build - Vox AC30
Started by Dimitree |
21 Replies
9795 Views |
March 15, 2020, 05:42:22 am by pdf64 |
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Electravox BR60 Speaker Cone "PUMPING"
Started by TIMBO |
6 Replies
2612 Views |
March 15, 2020, 03:28:36 am by pdf64 |
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74 Musicman 130 HD
Started by fdesalvo |
14 Replies
3728 Views |
March 14, 2020, 11:57:10 pm by fdesalvo |
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26 Replies
6282 Views |
March 14, 2020, 07:16:39 pm by DummyLoad |
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13 Replies
4794 Views |
March 12, 2020, 08:35:26 pm by Backwoods Joe |
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speaker cab switch
Started by dude |
9 Replies
3053 Views |
March 12, 2020, 03:39:48 pm by dude |
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4 Replies
2020 Views |
March 11, 2020, 12:34:23 pm by sluckey |
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10 Replies
3784 Views |
March 11, 2020, 08:25:22 am by kagliostro |
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Matamp Build Question
Started by gheorge77 |
9 Replies
5147 Views |
March 11, 2020, 07:41:21 am by gheorge77 |
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Princeton Filter Cap Replacement
Started by cyborg_stew |
21 Replies
5965 Views |
March 10, 2020, 11:37:56 pm by dude |
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ECC85-EL84 change to Ultra-linear
Started by pc1093 |
8 Replies
5470 Views |
March 09, 2020, 11:14:01 pm by PRR |
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Peavey Windsor Studio No power issue
Started by anderson89 |
8 Replies
3258 Views |
March 09, 2020, 11:00:07 pm by PRR |
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multi-meter issue
Started by Hebert |
8 Replies
2777 Views |
March 09, 2020, 07:09:35 pm by PRR |
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6Y6GT experiment by bonehead amp works.
Started by DummyLoad |
32 Replies
9206 Views |
March 09, 2020, 06:40:25 pm by ALBATROS1234 |
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z-28 w/reverb
Started by isaac_teller |
5 Replies
2426 Views |
March 09, 2020, 04:47:42 pm by shooter |
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Hoffman Princeton Troubleshooting
Started by Timmly |
16 Replies
4095 Views |
March 08, 2020, 08:00:59 pm by Timmly |
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1 Replies
1540 Views |
March 08, 2020, 05:57:27 pm by PRR |
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Breadboard for OT
Started by dude |
3 Replies
1917 Views |
March 08, 2020, 04:06:43 pm by dude |
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Dual Rectifier without 5V secondary
Started by Leevi |
16 Replies
4187 Views |
March 07, 2020, 05:43:23 pm by DummyLoad |
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very high negative bias
Started by jayallen |
39 Replies
7653 Views |
March 07, 2020, 03:46:23 pm by Williamblake |
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Matchless Tornado build
Started by mebond11 |
4 Replies
1876 Views |
March 07, 2020, 01:16:14 pm by mebond11 |
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5F2A Build - Nasty Squeal
Started by SkipJohnson |
21 Replies
6857 Views |
March 07, 2020, 11:46:11 am by SkipJohnson |
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Toggle Switch for PT secondaries
Started by 66Strat |
7 Replies
2810 Views |
March 07, 2020, 10:35:04 am by pdf64 |
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Stress on power tubes question
Started by punkykatt |
6 Replies
2582 Views |
March 06, 2020, 07:05:10 pm by punkykatt |
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Next build suggestions please.
Started by yorgle |
6 Replies
2308 Views |
March 06, 2020, 11:50:07 am by yorgle |
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