Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 07:47:33 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:33 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 14 Guests are viewing this board. | ||||
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10 Replies
5637 Views |
March 11, 2020, 08:25:22 amby kagliostro |
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Matamp Build Question
Started by gheorge77 |
9 Replies
7175 Views |
March 11, 2020, 07:41:21 am by gheorge77 |
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Princeton Filter Cap Replacement
Started by cyborg_stew |
21 Replies
8152 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
7269 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
5071 Views |
March 09, 2020, 11:00:07 pm by PRR |
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multi-meter issue
Started by Hebert |
8 Replies
4169 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
11703 Views |
March 09, 2020, 06:40:25 pm by ALBATROS1234 |
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z-28 w/reverb
Started by isaac_teller |
5 Replies
3849 Views |
March 09, 2020, 04:47:42 pm by shooter |
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Hoffman Princeton Troubleshooting
Started by Timmly |
16 Replies
6530 Views |
March 08, 2020, 08:00:59 pm by Timmly |
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1 Replies
2868 Views |
March 08, 2020, 05:57:27 pm by PRR |
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Breadboard for OT
Started by dude |
3 Replies
3302 Views |
March 08, 2020, 04:06:43 pm by dude |
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Dual Rectifier without 5V secondary
Started by Leevi |
16 Replies
6135 Views |
March 07, 2020, 05:43:23 pm by DummyLoad |
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very high negative bias
Started by jayallen |
39 Replies
10980 Views |
March 07, 2020, 03:46:23 pm by Williamblake |
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Matchless Tornado build
Started by mebond11 |
4 Replies
3195 Views |
March 07, 2020, 01:16:14 pm by mebond11 |
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5F2A Build - Nasty Squeal
Started by SkipJohnson |
21 Replies
10114 Views |
March 07, 2020, 11:46:11 am by SkipJohnson |
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Toggle Switch for PT secondaries
Started by 66Strat |
7 Replies
4914 Views |
March 07, 2020, 10:35:04 am by pdf64 |
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Stress on power tubes question
Started by punkykatt |
6 Replies
4137 Views |
March 06, 2020, 07:05:10 pm by punkykatt |
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Next build suggestions please.
Started by yorgle |
6 Replies
3844 Views |
March 06, 2020, 11:50:07 am by yorgle |
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10 Replies
5095 Views |
March 06, 2020, 07:13:05 am by pdf64 |
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2 Replies
3495 Views |
March 06, 2020, 05:15:46 am by kagliostro |
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Matchless clone build issue
Started by gerry113377 |
34 Replies
11092 Views |
March 05, 2020, 09:40:31 am by nandrewjackson |
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CE Manufacturing Cap Cans
Started by cyborg_stew |
7 Replies
4509 Views |
March 03, 2020, 12:49:28 pm by shooter |
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38 Replies
13528 Views |
March 03, 2020, 10:49:06 am by shaun |
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10 Replies
4686 Views |
March 03, 2020, 07:44:09 am by d95err |
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Reverb tank.impedance question
Started by Colas LeGrippa |
8 Replies
5576 Views |
March 02, 2020, 12:21:39 pm by shooter |
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EL84 Amp with Reverb
Started by carausius |
22 Replies
12697 Views |
March 02, 2020, 09:25:53 am by Blackface5f6 |
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10 Replies
5299 Views |
March 01, 2020, 07:33:28 pm by dude |
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Channel Switching Help
Started by dearborndave |
6 Replies
4062 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
4381 Views |
March 01, 2020, 10:58:18 am by sluckey |
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15 Replies
9453 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
11130 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
17091 Views |
March 01, 2020, 01:20:11 am by PRR |
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5F2A using EL84 Harsh Clipping
Started by shaun |
17 Replies
7112 Views |
February 29, 2020, 06:44:50 pm by shaun |
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AB165 Bias upgrade
Started by angelodp |
1 Replies
2999 Views |
February 29, 2020, 01:31:00 pm by sluckey |
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Fender Princeton sterile tone
Started by Colas LeGrippa |
7 Replies
3928 Views |
February 29, 2020, 09:40:04 am by shooter |
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15 Replies
6584 Views |
February 28, 2020, 04:25:45 am by nandrewjackson |
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ReVibe Grounding Scheme
Started by alathIN |
9 Replies
4631 Views |
February 27, 2020, 10:16:38 pm by alathIN |
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Washers for Carling on/off switches
Started by dude |
8 Replies
4185 Views |
February 27, 2020, 06:19:11 pm by dude |
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4 Replies
3679 Views |
February 27, 2020, 12:17:57 pm by shooter |
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plexi 50 modification question.
Started by Curranm |
5 Replies
3492 Views |
February 27, 2020, 10:03:25 am by sluckey |
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2 Replies
3422 Views |
February 27, 2020, 10:00:31 am by pi-amp |
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Belarus 57
Started by puudub |
11 Replies
5357 Views |
February 27, 2020, 06:47:33 am by puudub |
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Hoffman Revibe build
Started by Diverted |
8 Replies
4247 Views |
February 26, 2020, 04:35:47 pm by Diverted |
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Bias based on valve or amp power?
Started by leroy |
7 Replies
3644 Views |
February 26, 2020, 04:26:34 pm by shooter |
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5 Replies
4227 Views |
February 26, 2020, 03:32:53 pm by Colas LeGrippa |
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1940 national field coil ?
Started by fred |
14 Replies
6309 Views |
February 25, 2020, 09:51:20 pm by fred |
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64 Replies
28098 Views |
February 25, 2020, 03:58:41 pm by Ed_Chambley |
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22 Replies
8784 Views |
February 25, 2020, 09:53:43 am by Ed_Chambley |
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20 WATT NEW BUILD ,ANY SUGGESTIONS?
Started by mikhett |
5 Replies
3649 Views |
February 24, 2020, 08:47:49 pm by fossilshark |
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Voltage from AO-43 PT high?
Started by dude |
5 Replies
3965 Views |
February 24, 2020, 06:30:59 pm by dude |
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