Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 03:19:16 am | ||
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201 Replies
31022 Views |
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5A3 preamp tube
Started by Leevi |
2 Replies
1928 Views |
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Modifying an AO-43 chassis
Started by dude |
9 Replies
2996 Views |
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303 Replies
57825 Views |
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I need help with identifying hum.
Started by Tapsnap |
19 Replies
4157 Views |
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Heater transformer placement
Started by dunner84 |
6 Replies
2474 Views |
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23 Replies
6070 Views |
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Combo Tube Operation Near Speaker Magnet
Started by scstill |
10 Replies
2891 Views |
![]() by sluckey |
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8 Replies
2283 Views |
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2 Replies
1707 Views |
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Best High Gain Circuit
Started by imgumby001 |
23 Replies
9244 Views |
![]() by jammied |
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building a Super (stereo) Reverb
Started by Dimitree |
3 Replies
2630 Views |
![]() by silverfox |
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3 Replies
1987 Views |
![]() by steveo7868 |
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Yaqin - MC13s
Started by txtune |
35 Replies
11275 Views |
![]() by txtune |
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Blues Jr Reverb Crackle/buzzing
Started by PsychicFuzz |
11 Replies
4854 Views |
![]() by PsychicFuzz |
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9 Replies
3483 Views |
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Ampeg B-15NF
Started by Big chief |
8 Replies
2529 Views |
![]() by Big chief |
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Hammond M3 Electrodynamic speaker
Started by shaun |
4 Replies
2407 Views |
![]() by shaun |
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Butchered Super Reverb...Estimates?
Started by JustMike |
19 Replies
4133 Views |
![]() by JustMike |
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Stout Chassis Revisions
Started by EL34 |
11 Replies
5426 Views |
![]() by EL34 |
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Modded 1966 Twin UL OT
Started by Opry Audio |
48 Replies
8456 Views |
![]() by DummyLoad |
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4 Replies
2481 Views |
![]() by steveo7868 |
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5F6-A based build B+ voltage falling
Started by CascoSieg |
5 Replies
2222 Views |
![]() by CascoSieg |
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Reverb weird problem on DRRI
Started by Guitardropper |
21 Replies
6354 Views |
![]() by sluckey |
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Victory Amps under a watt speaker out
Started by Jatchley |
9 Replies
2891 Views |
![]() by d95err |
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Biasing a single ended output stage...
Started by bruno |
20 Replies
5267 Views |
![]() by AmberB |
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Low end buzz issue
Started by jordan86 |
26 Replies
5342 Views |
![]() by bmccowan |
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14 Replies
4038 Views |
![]() by jammied |
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Raising heaters
Started by daveyajd |
22 Replies
5057 Views |
![]() by daveyajd |
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Mounting Tube Sockets
Started by yorgle |
20 Replies
4943 Views |
![]() by glass54 |
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Anyone know what make of tube this is?
Started by mikeymike |
8 Replies
2677 Views |
![]() by Soulfetish |
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power amp resources
Started by mlhuff |
3 Replies
1753 Views |
![]() by 2deaf |
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8 Replies
2501 Views |
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9 Replies
3128 Views |
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8 Replies
3141 Views |
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Strange noise [SOLVED]
Started by Leevi |
5 Replies
2219 Views |
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Surface mount equivalents
Started by Steve Blackdog |
9 Replies
2873 Views |
![]() by HotBluePlates |
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6x5gt rectifryer?
Started by TurboGuitarMelton |
6 Replies
2956 Views |
![]() by DummyLoad |
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Princeton Reverb build
Started by Opry Audio |
16 Replies
4445 Views |
![]() by sluckey |
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18 Replies
4577 Views |
![]() by steveo7868 |
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Did I get the wrong power transformer?
Started by Tapsnap |
22 Replies
4456 Views |
![]() by shooter |
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60 hz Blues (buzz)
Started by Sonny ReVerb |
8 Replies
2469 Views |
![]() by Sonny ReVerb |
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19 Replies
4436 Views |
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MOVED: Another Analogy
Started by sluckey |
0 Replies
1634 Views |
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18 Replies
4696 Views |
![]() by mresistor |
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7 Replies
2812 Views |
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4 Replies
2455 Views |
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6 Replies
3001 Views |
![]() by tubeswell |
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Traynor YCV 40 lowB+
Started by jamesedmunda |
2 Replies
1958 Views |
![]() by JustMike |
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Reverb Problems
Started by Wanabejimi |
3 Replies
1862 Views |
![]() by sluckey |
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