Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 03:47:16 am | ||
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How do I determine if my NFB is optimal?
Started by sstudley |
26 Replies
6849 Views |
![]() by sstudley |
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Stumped on a 5e3 proluxe
Started by newguitarsmell |
7 Replies
3517 Views |
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3 Replies
3187 Views |
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6 Replies
2763 Views |
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MOVED: 6BM8 reverb revisited
Started by tubenit |
0 Replies
1559 Views |
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4 Replies
2467 Views |
![]() by CordovaNate |
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56 Replies
11852 Views |
![]() by shaun |
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Controlling brightness
Started by dude |
16 Replies
5672 Views |
![]() by Williamblake |
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4 Replies
2996 Views |
![]() by TubeJunkie |
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Changing transformer on Mesa Boogie.
Started by Oddvar |
12 Replies
5246 Views |
![]() by Oddvar |
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8417 to 6L6
Started by rdrgtr |
6 Replies
7094 Views |
![]() by albinoguitman |
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23 Replies
9006 Views |
![]() by kagliostro |
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3 Replies
2412 Views |
![]() by smackoj |
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capacitor voltages
Started by mlhuff |
4 Replies
4379 Views |
![]() by jjasilli |
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26 Replies
8430 Views |
![]() by jjasilli |
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11 Replies
3894 Views |
![]() by Colas LeGrippa |
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Identifying voltage transformer
Started by Oddvar |
2 Replies
1797 Views |
![]() by Oddvar |
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Carolina Songbird schematic?
Started by Joe6v6 |
7 Replies
2862 Views |
![]() by Joe6v6 |
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39 Replies
6763 Views |
![]() by Tony Bones |
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Hammond AO-29 Chassis
Started by Texson |
12 Replies
5378 Views |
![]() by vampwizzard |
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Help with Chinese 5F6-A Kit
Started by sstudley |
17 Replies
4623 Views |
![]() by vampwizzard |
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Grounding multiple channels.
Started by Captain chunkulus |
12 Replies
3708 Views |
![]() by dude |
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12 Replies
4719 Views |
![]() by 1blueheron |
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Hum debugging on a Trinity TC15 build
Started by repoman |
10 Replies
3894 Views |
![]() by st |
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12au7 load line
Started by labb |
27 Replies
10522 Views |
![]() by labb |
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Fender Blues Junior
Started by rczcustom |
4 Replies
1957 Views |
![]() by shooter |
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4 Replies
2444 Views |
![]() by turtle441 |
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1 Replies
1805 Views |
![]() by PRR |
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Soldano x88r clone build.
Started by Captain chunkulus |
34 Replies
11812 Views |
![]() by Captain chunkulus |
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Reverb for Blues Jr conversion
Started by Tbone55 |
3 Replies
1923 Views |
![]() by shooter |
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Looking to build a Modified 5F6A
Started by jgoodner |
2 Replies
1769 Views |
![]() by jgoodner |
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Impedance/power tube question
Started by Diverted |
13 Replies
3679 Views |
![]() by DummyLoad |
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Standby Grounding Issue
Started by ululufut |
17 Replies
4045 Views |
![]() by sluckey |
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Transformer Upgrade for Blues Jr.
Started by Tbone55 |
4 Replies
3698 Views |
![]() by Tony Bones |
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Capacitor Question
Started by 5string |
9 Replies
4968 Views |
![]() by Ed_Chambley |
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15 Replies
4166 Views |
![]() by ululufut |
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What shielded wire's best?
Started by Diverted |
6 Replies
3566 Views |
![]() by Diverted |
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Roast my preamp
Started by ECV02 |
10 Replies
4284 Views |
![]() by PRR |
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6AQ5 SE amp build from Ampro parts
Started by shaun |
15 Replies
11145 Views |
![]() by shaun |
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5 Replies
2659 Views |
![]() by jonyoungyi |
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Transformer for Trainwreck
Started by Oddvar |
7 Replies
5109 Views |
![]() by MFowler |
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Dialing in a 5e5a build
Started by etneccas |
2 Replies
1695 Views |
![]() by etneccas |
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2 Replies
1840 Views |
![]() by MFowler |
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65 PRRI - Ye Olde Noise Thread
Started by fdesalvo |
3 Replies
2101 Views |
![]() by fdesalvo |
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14 Replies
5596 Views |
![]() by shooter |
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Princeton Reverb Build Issue
Started by aabbs20 |
11 Replies
3350 Views |
![]() by shooter |
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Westinghouse model 604 radio
Started by Colas LeGrippa |
12 Replies
3199 Views |
![]() by PRR |
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Problems with my Tweed Deluxe 5E3 rebuild
Started by Mike_J |
39 Replies
7139 Views |
![]() by Mike_J |
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Dinged output transformer
Started by Fiat_cc |
5 Replies
2257 Views |
![]() by PRR |
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Odd Amp Repair
Started by JKRamsey1991 |
5 Replies
2567 Views |
![]() by jim |
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