Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 10:00:31 am | ||
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Issue on AB763 Twin clone (tube current)
Started by 72Blazer |
7 Replies
2642 Views |
by 72Blazer |
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UX-1501 Output Transformer Impedance
Started by astronomicum |
7 Replies
2942 Views |
by astronomicum |
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14 Replies
4049 Views |
by Platefire |
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2-channel SE amp...
Started by mrjomo |
7 Replies
2949 Views |
by mrjomo |
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5A3 heater balance
Started by Leevi |
19 Replies
5369 Views |
by Leevi |
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4 Replies
2733 Views |
by Latole |
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Dagnall PT datasheet
Started by TonyM |
2 Replies
2197 Views |
by sluckey |
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Resistor worries.
Started by joesatch |
12 Replies
3962 Views |
by Willabe |
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Fender Vibro-Champ AA764 Distortion
Started by fenderguy81 |
16 Replies
4916 Views |
by HotBluePlates |
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coax crisis
Started by joesatch |
6 Replies
2832 Views |
by sluckey |
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Panasonic ECQ vs Orange Drops
Started by joesatch |
2 Replies
2509 Views |
by shooter |
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Mid-30s amp, interesting power supply
Started by Diverted |
12 Replies
3342 Views |
by Diverted |
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LDR testing Mesa Boogie
Started by joesatch |
2 Replies
2279 Views |
by sluckey |
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9 Replies
3480 Views |
by K Teacher |
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10 Replies
3875 Views |
by balmoral |
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Any speaker cab impedance measurements?
Started by Merlin |
6 Replies
2701 Views |
by tubeswell |
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6 Replies
2807 Views |
by tdvt |
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5 Replies
3022 Views |
by idontknowyou |
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Polarity of caps
Started by dude |
20 Replies
5149 Views |
by kagliostro |
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6 Replies
2798 Views |
by jaster55 |
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66 Replies
16944 Views |
by tdvt |
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5F1 Pre-build Questions
Started by HBCYG5260 |
7 Replies
3158 Views |
by johnnyreece |
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Push/pull reverb driver
Started by Esquirefreak |
11 Replies
3998 Views |
by Esquirefreak |
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Cathode Follower Switching
Started by Zenabi |
10 Replies
4479 Views |
by Zenabi |
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11 Replies
3982 Views |
by tubeswell |
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5F6A power section mods
Started by electrical |
12 Replies
4326 Views |
by jjasilli |
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Resistor concerns
Started by joesatch |
12 Replies
3861 Views |
by glass54 |
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Vox ac4 build question
Started by green drake |
26 Replies
8012 Views |
by green drake |
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17 Replies
5407 Views |
by sluckey |
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2 Replies
2434 Views |
by Thisismyname |
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7 Replies
3573 Views |
by Beezerboy |
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Protecting G2 from overvoltage - How ?
Started by kagliostro |
10 Replies
3964 Views |
by kagliostro |
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29 Replies
7923 Views |
by moosetone |
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8 Replies
3139 Views |
by 72Blazer |
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14 Replies
4900 Views |
by sluckey |
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Bias pot valve in Plexi 6V6
Started by dude |
13 Replies
4310 Views |
by sluckey |
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Fuses: fast or slow? How to determine it?
Started by Latole |
4 Replies
2547 Views |
by Latole |
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Acoustic guitar amplifiers
Started by G._Hoffman |
23 Replies
6232 Views |
by jjasilli |
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0 Replies
2053 Views |
by Duncan |
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Modern Princeton reverb
Started by nandrewjackson |
19 Replies
5150 Views |
by sluckey |
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24 Replies
8221 Views |
by tdvt |
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2 Replies
2364 Views |
by JustMike |
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Cathode bypass caps as noise control
Started by stratomaster |
41 Replies
11595 Views |
by stratomaster |
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Marshall 2144 Combo
Started by TIMBO |
15 Replies
7761 Views |
by TIMBO |
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6BM8 tube retainers
Started by tubenit |
2 Replies
2250 Views |
by uki |
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36 Replies
8413 Views |
by Yeatzee |
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Help with mu-follower repair
Started by MPRCTCL |
8 Replies
3496 Views |
by MPRCTCL |
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Noise in Silver Face MV Twin Reverb amp.
Started by Mark |
2 Replies
2242 Views |
by Mark |
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Chassis fab
Started by fossilshark |
2 Replies
2487 Views |
by acheld |
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How to protect OT in an SE amp ?
Started by kagliostro |
4 Replies
2706 Views |
by kagliostro |
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