Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:33 am | ||
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10 Replies
5637 Views |
by kagliostro |
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Matamp Build Question
Started by gheorge77 |
9 Replies
7175 Views |
by gheorge77 |
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Princeton Filter Cap Replacement
Started by cyborg_stew |
21 Replies
8152 Views |
by dude |
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ECC85-EL84 change to Ultra-linear
Started by pc1093 |
8 Replies
7269 Views |
by PRR |
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Peavey Windsor Studio No power issue
Started by anderson89 |
8 Replies
5071 Views |
by PRR |
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multi-meter issue
Started by Hebert |
8 Replies
4169 Views |
by PRR |
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6Y6GT experiment by bonehead amp works.
Started by DummyLoad |
32 Replies
11703 Views |
by ALBATROS1234 |
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z-28 w/reverb
Started by isaac_teller |
5 Replies
3849 Views |
by shooter |
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Hoffman Princeton Troubleshooting
Started by Timmly |
16 Replies
6530 Views |
by Timmly |
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1 Replies
2868 Views |
by PRR |
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Breadboard for OT
Started by dude |
3 Replies
3302 Views |
by dude |
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Dual Rectifier without 5V secondary
Started by Leevi |
16 Replies
6135 Views |
by DummyLoad |
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very high negative bias
Started by jayallen |
39 Replies
10980 Views |
by Williamblake |
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Matchless Tornado build
Started by mebond11 |
4 Replies
3195 Views |
by mebond11 |
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5F2A Build - Nasty Squeal
Started by SkipJohnson |
21 Replies
10114 Views |
by SkipJohnson |
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Toggle Switch for PT secondaries
Started by 66Strat |
7 Replies
4914 Views |
by pdf64 |
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Stress on power tubes question
Started by punkykatt |
6 Replies
4137 Views |
by punkykatt |
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Next build suggestions please.
Started by yorgle |
6 Replies
3844 Views |
by yorgle |
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10 Replies
5095 Views |
by pdf64 |
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2 Replies
3495 Views |
by kagliostro |
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Matchless clone build issue
Started by gerry113377 |
34 Replies
11092 Views |
by nandrewjackson |
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CE Manufacturing Cap Cans
Started by cyborg_stew |
7 Replies
4509 Views |
by shooter |
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38 Replies
13528 Views |
by shaun |
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10 Replies
4686 Views |
by d95err |
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Reverb tank.impedance question
Started by Colas LeGrippa |
8 Replies
5576 Views |
by shooter |
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EL84 Amp with Reverb
Started by carausius |
22 Replies
12697 Views |
by Blackface5f6 |
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10 Replies
5299 Views |
by dude |
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Channel Switching Help
Started by dearborndave |
6 Replies
4062 Views |
by dearborndave |
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2204 makes loud noise on the speaker
Started by Mehfuzhoss |
9 Replies
4381 Views |
by sluckey |
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15 Replies
9453 Views |
by Jonas |
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SE 6L6 VS parallel SE 6V6
Started by TurboGuitarMelton |
20 Replies
11130 Views |
by pdf64 |
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Another Dual Lite build thread - half working
Started by choosebronze « 1 2 » |
60 Replies
17091 Views |
by PRR |
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5F2A using EL84 Harsh Clipping
Started by shaun |
17 Replies
7112 Views |
by shaun |
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AB165 Bias upgrade
Started by angelodp |
1 Replies
2999 Views |
by sluckey |
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Fender Princeton sterile tone
Started by Colas LeGrippa |
7 Replies
3928 Views |
by shooter |
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15 Replies
6584 Views |
by nandrewjackson |
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ReVibe Grounding Scheme
Started by alathIN |
9 Replies
4631 Views |
by alathIN |
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Washers for Carling on/off switches
Started by dude |
8 Replies
4185 Views |
by dude |
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4 Replies
3679 Views |
by shooter |
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plexi 50 modification question.
Started by Curranm |
5 Replies
3492 Views |
by sluckey |
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2 Replies
3422 Views |
by pi-amp |
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Belarus 57
Started by puudub |
11 Replies
5357 Views |
by puudub |
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Hoffman Revibe build
Started by Diverted |
8 Replies
4247 Views |
by Diverted |
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Bias based on valve or amp power?
Started by leroy |
7 Replies
3644 Views |
by shooter |
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5 Replies
4227 Views |
by Colas LeGrippa |
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1940 national field coil ?
Started by fred |
14 Replies
6309 Views |
by fred |
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64 Replies
28098 Views |
by Ed_Chambley |
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22 Replies
8784 Views |
by Ed_Chambley |
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20 WATT NEW BUILD ,ANY SUGGESTIONS?
Started by mikhett |
5 Replies
3649 Views |
by fossilshark |
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Voltage from AO-43 PT high?
Started by dude |
5 Replies
3965 Views |
by dude |
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