Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:26:04 am | ||
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6 Replies
2543 Views |
![]() by gkaada |
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Bias supply problem
Started by Sonny ReVerb |
10 Replies
2572 Views |
![]() by PRR |
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16 Replies
3911 Views |
![]() by tony321owen |
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Having an issue with one of my 6V6 Plexi's
Started by dude |
3 Replies
1783 Views |
![]() by dude |
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MOVED: Princeton Head Cabinet For Sale
Started by EL34 |
0 Replies
1421 Views |
![]() by EL34 |
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149 Replies
40414 Views |
![]() by tubenit |
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2 Replies
2163 Views |
![]() by JayCobie |
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my first build - Vox AC30
Started by Dimitree |
21 Replies
9245 Views |
![]() by pdf64 |
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Electravox BR60 Speaker Cone "PUMPING"
Started by TIMBO |
6 Replies
2375 Views |
![]() by pdf64 |
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74 Musicman 130 HD
Started by fdesalvo |
14 Replies
3511 Views |
![]() by fdesalvo |
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26 Replies
6059 Views |
![]() by DummyLoad |
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13 Replies
4598 Views |
![]() by Backwoods Joe |
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speaker cab switch
Started by dude |
9 Replies
2795 Views |
![]() by dude |
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4 Replies
1901 Views |
![]() by sluckey |
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10 Replies
3518 Views |
![]() by kagliostro |
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Matamp Build Question
Started by gheorge77 |
9 Replies
4803 Views |
![]() by gheorge77 |
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Princeton Filter Cap Replacement
Started by cyborg_stew |
21 Replies
5666 Views |
![]() by dude |
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ECC85-EL84 change to Ultra-linear
Started by pc1093 |
8 Replies
5217 Views |
![]() by PRR |
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Peavey Windsor Studio No power issue
Started by anderson89 |
8 Replies
2987 Views |
![]() by PRR |
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multi-meter issue
Started by Hebert |
8 Replies
2613 Views |
![]() by PRR |
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6Y6GT experiment by bonehead amp works.
Started by DummyLoad |
32 Replies
8761 Views |
![]() by ALBATROS1234 |
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z-28 w/reverb
Started by isaac_teller |
5 Replies
2264 Views |
![]() by shooter |
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Hoffman Princeton Troubleshooting
Started by Timmly |
16 Replies
3768 Views |
![]() by Timmly |
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1 Replies
1395 Views |
![]() by PRR |
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Breadboard for OT
Started by dude |
3 Replies
1758 Views |
![]() by dude |
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Dual Rectifier without 5V secondary
Started by Leevi |
16 Replies
3943 Views |
![]() by DummyLoad |
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very high negative bias
Started by jayallen |
39 Replies
7167 Views |
![]() by Williamblake |
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Matchless Tornado build
Started by mebond11 |
4 Replies
1765 Views |
![]() by mebond11 |
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5F2A Build - Nasty Squeal
Started by SkipJohnson |
21 Replies
6287 Views |
![]() by SkipJohnson |
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Toggle Switch for PT secondaries
Started by 66Strat |
7 Replies
2512 Views |
![]() by pdf64 |
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Stress on power tubes question
Started by punkykatt |
6 Replies
2432 Views |
![]() by punkykatt |
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Next build suggestions please.
Started by yorgle |
6 Replies
2140 Views |
![]() by yorgle |
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10 Replies
3309 Views |
![]() by pdf64 |
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2 Replies
1795 Views |
![]() by kagliostro |
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Matchless clone build issue
Started by gerry113377 |
34 Replies
7697 Views |
![]() by nandrewjackson |
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CE Manufacturing Cap Cans
Started by cyborg_stew |
7 Replies
2633 Views |
![]() by shooter |
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38 Replies
9981 Views |
![]() by shaun |
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10 Replies
2993 Views |
![]() by d95err |
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Reverb tank.impedance question
Started by Colas LeGrippa |
8 Replies
3385 Views |
![]() by shooter |
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EL84 Amp with Reverb
Started by carausius |
22 Replies
9692 Views |
![]() by Blackface5f6 |
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10 Replies
2778 Views |
![]() by dude |
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Channel Switching Help
Started by dearborndave |
6 Replies
2121 Views |
![]() by dearborndave |
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2204 makes loud noise on the speaker
Started by Mehfuzhoss |
9 Replies
2472 Views |
![]() by sluckey |
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15 Replies
6904 Views |
![]() by Jonas |
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SE 6L6 VS parallel SE 6V6
Started by TurboGuitarMelton |
20 Replies
8075 Views |
![]() by pdf64 |
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Another Dual Lite build thread - half working
Started by choosebronze « 1 2 » |
60 Replies
11416 Views |
![]() by PRR |
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5F2A using EL84 Harsh Clipping
Started by shaun |
17 Replies
4724 Views |
![]() by shaun |
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AB165 Bias upgrade
Started by angelodp |
1 Replies
1509 Views |
![]() by sluckey |
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Fender Princeton sterile tone
Started by Colas LeGrippa |
7 Replies
2142 Views |
![]() by shooter |
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15 Replies
4089 Views |
![]() by nandrewjackson |
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