Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:14 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:14 am | ||
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1 Replies
2330 Views |
November 22, 2021, 03:25:33 pmby uki |
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6G3 master volume
Started by suncrest |
15 Replies
5253 Views |
November 22, 2021, 10:12:02 am by SILVERGUN |
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What type of phase inversion is this
Started by Stuff4bikes |
7 Replies
3971 Views |
November 22, 2021, 05:57:21 am by HotBluePlates |
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Traynor YBA-1A 6550 Bias Question
Started by plumcrazyfx |
6 Replies
3623 Views |
November 21, 2021, 04:55:33 pm by plumcrazyfx |
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2 Replies
2444 Views |
November 21, 2021, 10:11:26 am by swingarm |
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Bogen K10 Master Volume
Started by Ifudontlikebees |
6 Replies
3234 Views |
November 21, 2021, 03:11:43 am by Ifudontlikebees |
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1973 Princeton With Very Sensitive Reverb
Started by Pinball |
1 Replies
2225 Views |
November 20, 2021, 09:45:25 pm by sluckey |
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PT 240v to 120v tap wiring
Started by shaun |
2 Replies
2408 Views |
November 20, 2021, 08:49:25 pm by shaun |
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"Type 3" PPIMV mod. Is this correct?
Started by 1blueheron |
6 Replies
4031 Views |
November 20, 2021, 12:37:41 pm by 1blueheron |
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Theory behind this power supply?
Started by 1blueheron |
10 Replies
4572 Views |
November 20, 2021, 10:51:17 am by 1blueheron |
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Reverb Driver Transformer
Started by scstill |
1 Replies
2433 Views |
November 19, 2021, 05:20:20 pm by sluckey |
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EL84 Kinda A Trainwreck B+ Question
Started by AHeck |
8 Replies
4082 Views |
November 19, 2021, 10:11:07 am by sluckey |
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Elevating **DC** heater supplies
Started by Craftyjam |
34 Replies
8962 Views |
November 18, 2021, 10:24:51 pm by TigerTrading2021 |
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Grounding diodes on tubes
Started by Stuff4bikes |
2 Replies
2350 Views |
November 18, 2021, 07:35:10 pm by Stuff4bikes |
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NTC Thermistor question
Started by Esquirefreak |
7 Replies
4887 Views |
November 17, 2021, 03:27:54 pm by trobbins |
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32 Replies
7927 Views |
November 17, 2021, 06:55:47 am by shooter |
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Bias issue Fender 6G2
Started by Diverted |
2 Replies
2551 Views |
November 16, 2021, 04:30:46 pm by Diverted |
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My Princeton Reverb Build
Started by dragonbat13 |
13 Replies
5818 Views |
November 15, 2021, 08:33:46 pm by dragonbat13 |
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filament and fuse wiring
Started by scstill |
1 Replies
3289 Views |
November 15, 2021, 09:44:37 am by sluckey |
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48 Replies
26982 Views |
November 13, 2021, 10:22:41 am by frankenxtein |
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Marshall 2204 6v6
Started by dude |
4 Replies
3158 Views |
November 13, 2021, 12:30:05 am by Auke Jolman |
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AB763 Tremolo smoothing cap?
Started by Esquirefreak |
1 Replies
2447 Views |
November 12, 2021, 05:15:40 pm by sluckey |
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PT stray voltage?
Started by BrassElephant |
14 Replies
4621 Views |
November 12, 2021, 02:48:58 pm by BrassElephant |
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Marshall Major, too low power
Started by Leevi |
2 Replies
2629 Views |
November 12, 2021, 11:46:33 am by Leevi |
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5 Replies
5260 Views |
November 12, 2021, 09:25:31 am by tubenit |
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Mills MRA12
Started by Vlada |
6 Replies
3643 Views |
November 12, 2021, 03:35:05 am by pdf64 |
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motorboating only while warming up?
Started by thetragichero |
5 Replies
3300 Views |
November 11, 2021, 07:07:27 pm by DougGuy |
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34 Replies
9213 Views |
November 11, 2021, 02:31:25 pm by DougGuy |
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My AB763 doesn't like NFB
Started by Blind Lemon « 1 2 3 4 » |
174 Replies
31139 Views |
November 10, 2021, 06:59:13 pm by Soulfetish |
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Rectifier limiting resistors
Started by Ross |
3 Replies
2923 Views |
November 09, 2021, 07:09:15 pm by HotBluePlates |
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6G3 build: oscillation solved?
Started by Bieworm |
14 Replies
5343 Views |
November 09, 2021, 01:06:34 pm by Bieworm |
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Hoffman vs RobRob 5f6a layout
Started by LPJr |
6 Replies
3427 Views |
November 09, 2021, 07:24:25 am by EL34 |
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Strange conversion
Started by Stuff4bikes |
10 Replies
4352 Views |
November 09, 2021, 02:59:36 am by shooter |
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Carvin V3 mod
Started by Leevi |
7 Replies
3728 Views |
November 08, 2021, 10:23:12 pm by Leevi |
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018343 output transformer question
Started by LPJr |
17 Replies
5631 Views |
November 08, 2021, 08:44:52 pm by sluckey |
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Powering an Effect Loop
Started by SolidStateCircuitReject |
16 Replies
8345 Views |
November 08, 2021, 07:20:37 pm by PRR |
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8 Replies
4408 Views |
November 08, 2021, 02:12:23 pm by ebulakowski |
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9 Replies
4269 Views |
November 08, 2021, 10:26:15 am by Willabe |
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6EM7 what are they good for.....
Started by TIMBO |
7 Replies
4143 Views |
November 08, 2021, 02:34:27 am by TIMBO |
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Mosfet cathode follower question
Started by tubenit |
9 Replies
4974 Views |
November 07, 2021, 06:53:33 pm by glass54 |
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11 Replies
5172 Views |
November 07, 2021, 05:46:45 am by tschwarz |
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Vibrolux No Balls
Started by jaster55 |
5 Replies
2801 Views |
November 06, 2021, 05:57:09 pm by jaster55 |
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Slivertone 1484 voltages
Started by allstonma |
9 Replies
4116 Views |
November 06, 2021, 04:31:09 pm by PRR |
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AB763 high voltages help
Started by joesatch |
14 Replies
5054 Views |
November 05, 2021, 10:02:45 pm by PRR |
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Starting my AB763-1 build
Started by Hazcat |
2 Replies
2499 Views |
November 05, 2021, 02:10:52 pm by Hazcat |
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Stout Reverb NFB switch
Started by tkm |
2 Replies
2696 Views |
November 05, 2021, 11:51:09 am by tkm |
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Crosstalk when using LND150 FET
Started by Leevi |
8 Replies
4046 Views |
November 05, 2021, 11:50:55 am by Leevi |
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Can I run it at 4Ohms?
Started by toomanyslurpees |
10 Replies
5930 Views |
November 05, 2021, 07:28:00 am by mresistor |
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twisting heater wires.
Started by joesatch |
26 Replies
8100 Views |
November 04, 2021, 10:55:31 pm by Mungo Park |
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Reverb not working in a Fender Blues Jr.
Started by 72Blazer |
26 Replies
7762 Views |
November 04, 2021, 08:44:10 pm by 72Blazer |
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