Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 02:51:58 pm | ||
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Sourcing Dual Concentric Knobs
Started by jordan86 |
11 Replies
5246 Views |
![]() by XYZGnomon |
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OT Proximity to Preamp..?
Started by tdvt |
2 Replies
1624 Views |
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Another OT question
Started by AlNewman |
6 Replies
2401 Views |
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Need treble pot value
Started by punkykatt |
5 Replies
2204 Views |
![]() by punkykatt |
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2 Replies
1657 Views |
![]() by PRR |
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30 Replies
5360 Views |
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12ax7 mic. preamp overdriving itself
Started by Toxophilite |
18 Replies
4166 Views |
![]() by pdf64 |
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17 Replies
3756 Views |
![]() by dwinstonwood |
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Oscilloscopes advice.
Started by slash1986 |
6 Replies
2565 Views |
![]() by Latole |
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2 Replies
1669 Views |
![]() by HotBluePlates |
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26 Replies
5195 Views |
![]() by pdf64 |
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2 Replies
2925 Views |
![]() by pullshocks |
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Sano 300 - A pair of questions
Started by kagliostro |
6 Replies
2345 Views |
![]() by PRR |
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0 Replies
1428 Views |
![]() by sluckey |
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9 Replies
2716 Views |
![]() by mresistor |
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3 Replies
1804 Views |
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AB763 single channel PT smoked
Started by RoadShow |
16 Replies
3553 Views |
![]() by RoadShow |
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Tremolo still Ticking
Started by JustMike |
11 Replies
5527 Views |
![]() by smilan |
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ReVibe Project
Started by TIMBO |
22 Replies
5439 Views |
![]() by shooter |
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Marshall VS100 Repurpose
Started by TIMBO |
27 Replies
8183 Views |
![]() by TIMBO |
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Pro Reverb Cap job and going through.
Started by proaudioguy |
32 Replies
5326 Views |
![]() by proaudioguy |
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16 Replies
4387 Views |
![]() by Show Me Guitars |
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EF 86 Microphone preamp circuit
Started by Toxophilite |
45 Replies
11185 Views |
![]() by Toxophilite |
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7 Replies
2759 Views |
![]() by mresistor |
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Victor Animatograph repurpose
Started by shaun |
3 Replies
2445 Views |
![]() by shaun |
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tap testing tubes.
Started by joesatch |
19 Replies
4057 Views |
![]() by kagliostro |
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6AU8 for PP and PI
Started by scstill |
1 Replies
1983 Views |
![]() by tubenit |
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Cracklin' Fender Bassman 135
Started by jonathan_kea |
6 Replies
2355 Views |
![]() by jonathan_kea |
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7 Replies
2545 Views |
![]() by Colas LeGrippa |
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AB763 Pre Amp Section Issue
Started by tdvt |
5 Replies
2080 Views |
![]() by tdvt |
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Re-capping a Fender Studio bass
Started by pbman1953 |
8 Replies
3132 Views |
![]() by pbman1953 |
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VOX AC15TBX Power Tubes
Started by plexi50 |
0 Replies
1783 Views |
![]() by plexi50 |
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32 Replies
7313 Views |
![]() by PRR |
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7 Replies
2552 Views |
![]() by tkreeve |
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12 Replies
3689 Views |
![]() by sluckey |
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79 Replies
18372 Views |
![]() by Loomer |
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12 Replies
3118 Views |
![]() by EL34 |
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Vox AC4HW1 Hum
Started by plexi50 |
21 Replies
5030 Views |
![]() by Bieworm |
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PP EL84 tone problem
Started by MarcinD |
48 Replies
9116 Views |
![]() by AlNewman |
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Mullard EZ81
Started by dwinstonwood |
6 Replies
2643 Views |
![]() by dwinstonwood |
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B-52 AT100 Low output
Started by drjones1106 |
10 Replies
5918 Views |
![]() by sluckey |
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76 Twin Reverb SF 100W: 100Hz hum
Started by Lambertini |
12 Replies
3045 Views |
![]() by Lambertini |
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6 Replies
2072 Views |
![]() by kagliostro |
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Voltage divider question
Started by dwinstonwood |
11 Replies
2721 Views |
![]() by JPK |
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Board-mounted-tube module Champ Reverb build
Started by tdvt |
7 Replies
2439 Views |
![]() by jjasilli |
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odd tubes....
Started by Jonas |
8 Replies
2734 Views |
![]() by HotBluePlates |
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6 Replies
2243 Views |
![]() by HotBluePlates |
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6G2 Power Transformer Spec
Started by electrical |
5 Replies
3726 Views |
![]() by dogburn |
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Help identifying an issue and a fix
Started by boodle |
15 Replies
3489 Views |
![]() by Wonder2121 |
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2 Replies
1443 Views |
![]() by rafe |
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