Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 04:02:31 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 04:02:31 pm | ||
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Bias supply problem
Started by Sonny ReVerb |
10 Replies
5436 Views |
March 18, 2020, 01:12:41 pmby PRR |
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16 Replies
6987 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
3970 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
3427 Views |
March 17, 2020, 07:30:44 am by EL34 |
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149 Replies
62262 Views |
March 15, 2020, 12:32:12 pm by tubenit |
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2 Replies
4182 Views |
March 15, 2020, 06:20:43 am by JayCobie |
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my first build - Vox AC30
Started by Dimitree |
21 Replies
14832 Views |
March 15, 2020, 05:42:22 am by pdf64 |
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Electravox BR60 Speaker Cone "PUMPING"
Started by TIMBO |
6 Replies
5260 Views |
March 15, 2020, 03:28:36 am by pdf64 |
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74 Musicman 130 HD
Started by fdesalvo |
14 Replies
6494 Views |
March 14, 2020, 11:57:10 pm by fdesalvo |
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26 Replies
9950 Views |
March 14, 2020, 07:16:39 pm by DummyLoad |
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13 Replies
7572 Views |
March 12, 2020, 08:35:26 pm by Backwoods Joe |
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speaker cab switch
Started by dude |
9 Replies
5990 Views |
March 12, 2020, 03:39:48 pm by dude |
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4 Replies
4028 Views |
March 11, 2020, 12:34:23 pm by sluckey |
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10 Replies
6763 Views |
March 11, 2020, 08:25:22 am by kagliostro |
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Matamp Build Question
Started by gheorge77 |
9 Replies
8594 Views |
March 11, 2020, 07:41:21 am by gheorge77 |
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Princeton Filter Cap Replacement
Started by cyborg_stew |
21 Replies
9621 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
8457 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
6088 Views |
March 09, 2020, 11:00:07 pm by PRR |
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multi-meter issue
Started by Hebert |
8 Replies
5292 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
13671 Views |
March 09, 2020, 06:40:25 pm by ALBATROS1234 |
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z-28 w/reverb
Started by isaac_teller |
5 Replies
4803 Views |
March 09, 2020, 04:47:42 pm by shooter |
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Hoffman Princeton Troubleshooting
Started by Timmly |
16 Replies
7984 Views |
March 08, 2020, 08:00:59 pm by Timmly |
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1 Replies
3825 Views |
March 08, 2020, 05:57:27 pm by PRR |
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Breadboard for OT
Started by dude |
3 Replies
4161 Views |
March 08, 2020, 04:06:43 pm by dude |
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Dual Rectifier without 5V secondary
Started by Leevi |
16 Replies
7539 Views |
March 07, 2020, 05:43:23 pm by DummyLoad |
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very high negative bias
Started by jayallen |
39 Replies
13551 Views |
March 07, 2020, 03:46:23 pm by Williamblake |
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Matchless Tornado build
Started by mebond11 |
4 Replies
4121 Views |
March 07, 2020, 01:16:14 pm by mebond11 |
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5F2A Build - Nasty Squeal
Started by SkipJohnson |
21 Replies
12550 Views |
March 07, 2020, 11:46:11 am by SkipJohnson |
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Toggle Switch for PT secondaries
Started by 66Strat |
7 Replies
6295 Views |
March 07, 2020, 10:35:04 am by pdf64 |
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Stress on power tubes question
Started by punkykatt |
6 Replies
5109 Views |
March 06, 2020, 07:05:10 pm by punkykatt |
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Next build suggestions please.
Started by yorgle |
6 Replies
4863 Views |
March 06, 2020, 11:50:07 am by yorgle |
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10 Replies
6156 Views |
March 06, 2020, 07:13:05 am by pdf64 |
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2 Replies
4475 Views |
March 06, 2020, 05:15:46 am by kagliostro |
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Matchless clone build issue
Started by gerry113377 |
34 Replies
13210 Views |
March 05, 2020, 09:40:31 am by nandrewjackson |
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CE Manufacturing Cap Cans
Started by cyborg_stew |
7 Replies
5631 Views |
March 03, 2020, 12:49:28 pm by shooter |
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38 Replies
15405 Views |
March 03, 2020, 10:49:06 am by shaun |
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10 Replies
5792 Views |
March 03, 2020, 07:44:09 am by d95err |
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Reverb tank.impedance question
Started by Colas LeGrippa |
8 Replies
6772 Views |
March 02, 2020, 12:21:39 pm by shooter |
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EL84 Amp with Reverb
Started by carausius |
22 Replies
14368 Views |
March 02, 2020, 09:25:53 am by Blackface5f6 |
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10 Replies
6454 Views |
March 01, 2020, 07:33:28 pm by dude |
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Channel Switching Help
Started by dearborndave |
6 Replies
4997 Views |
March 01, 2020, 11:52:09 am by dearborndave |
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2204 makes loud noise on the speaker
Started by Mehfuzhoss |
9 Replies
5422 Views |
March 01, 2020, 10:58:18 am by sluckey |
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15 Replies
10593 Views |
March 01, 2020, 09:20:54 am by Jonas |
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SE 6L6 VS parallel SE 6V6
Started by TurboGuitarMelton |
20 Replies
12848 Views |
March 01, 2020, 05:05:00 am by pdf64 |
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Another Dual Lite build thread - half working
Started by choosebronze « 1 2 » |
60 Replies
20009 Views |
March 01, 2020, 01:20:11 am by PRR |
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5F2A using EL84 Harsh Clipping
Started by shaun |
17 Replies
8955 Views |
February 29, 2020, 06:44:50 pm by shaun |
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AB165 Bias upgrade
Started by angelodp |
1 Replies
3980 Views |
February 29, 2020, 01:31:00 pm by sluckey |
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Fender Princeton sterile tone
Started by Colas LeGrippa |
7 Replies
4942 Views |
February 29, 2020, 09:40:04 am by shooter |
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15 Replies
7733 Views |
February 28, 2020, 04:25:45 am by nandrewjackson |
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ReVibe Grounding Scheme
Started by alathIN |
9 Replies
5808 Views |
February 27, 2020, 10:16:38 pm by alathIN |
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