Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:52:50 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:52:50 pm | ||
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EL84 Kinda A Trainwreck B+ Question
Started by AHeck |
8 Replies
2985 Views |
November 19, 2021, 10:11:07 amby sluckey |
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Elevating **DC** heater supplies
Started by Craftyjam |
34 Replies
6674 Views |
November 18, 2021, 10:24:51 pm by TigerTrading2021 |
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Grounding diodes on tubes
Started by Stuff4bikes |
2 Replies
1726 Views |
November 18, 2021, 07:35:10 pm by Stuff4bikes |
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NTC Thermistor question
Started by Esquirefreak |
7 Replies
3692 Views |
November 17, 2021, 03:27:54 pm by trobbins |
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32 Replies
6149 Views |
November 17, 2021, 06:55:47 am by shooter |
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Bias issue Fender 6G2
Started by Diverted |
2 Replies
1855 Views |
November 16, 2021, 04:30:46 pm by Diverted |
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My Princeton Reverb Build
Started by dragonbat13 |
13 Replies
4456 Views |
November 15, 2021, 08:33:46 pm by dragonbat13 |
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filament and fuse wiring
Started by scstill |
1 Replies
2560 Views |
November 15, 2021, 09:44:37 am by sluckey |
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48 Replies
24896 Views |
November 13, 2021, 10:22:41 am by frankenxtein |
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Marshall 2204 6v6
Started by dude |
4 Replies
2430 Views |
November 13, 2021, 12:30:05 am by Auke Jolman |
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AB763 Tremolo smoothing cap?
Started by Esquirefreak |
1 Replies
1792 Views |
November 12, 2021, 05:15:40 pm by sluckey |
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PT stray voltage?
Started by BrassElephant |
14 Replies
3610 Views |
November 12, 2021, 02:48:58 pm by BrassElephant |
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Marshall Major, too low power
Started by Leevi |
2 Replies
1927 Views |
November 12, 2021, 11:46:33 am by Leevi |
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5 Replies
4543 Views |
November 12, 2021, 09:25:31 am by tubenit |
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Mills MRA12
Started by Vlada |
6 Replies
2793 Views |
November 12, 2021, 03:35:05 am by pdf64 |
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motorboating only while warming up?
Started by thetragichero |
5 Replies
2476 Views |
November 11, 2021, 07:07:27 pm by DougGuy |
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34 Replies
7149 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
24746 Views |
November 10, 2021, 06:59:13 pm by Soulfetish |
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Rectifier limiting resistors
Started by Ross |
3 Replies
2070 Views |
November 09, 2021, 07:09:15 pm by HotBluePlates |
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6G3 build: oscillation solved?
Started by Bieworm |
14 Replies
4034 Views |
November 09, 2021, 01:06:34 pm by Bieworm |
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Hoffman vs RobRob 5f6a layout
Started by LPJr |
6 Replies
2521 Views |
November 09, 2021, 07:24:25 am by EL34 |
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Strange conversion
Started by Stuff4bikes |
10 Replies
3317 Views |
November 09, 2021, 02:59:36 am by shooter |
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Carvin V3 mod
Started by Leevi |
7 Replies
2880 Views |
November 08, 2021, 10:23:12 pm by Leevi |
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018343 output transformer question
Started by LPJr |
17 Replies
4489 Views |
November 08, 2021, 08:44:52 pm by sluckey |
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Powering an Effect Loop
Started by SolidStateCircuitReject |
16 Replies
7166 Views |
November 08, 2021, 07:20:37 pm by PRR |
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8 Replies
3239 Views |
November 08, 2021, 02:12:23 pm by ebulakowski |
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9 Replies
3276 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
3388 Views |
November 08, 2021, 02:34:27 am by TIMBO |
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Mosfet cathode follower question
Started by tubenit |
9 Replies
3930 Views |
November 07, 2021, 06:53:33 pm by glass54 |
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11 Replies
3951 Views |
November 07, 2021, 05:46:45 am by tschwarz |
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Vibrolux No Balls
Started by jaster55 |
5 Replies
2079 Views |
November 06, 2021, 05:57:09 pm by jaster55 |
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Slivertone 1484 voltages
Started by allstonma |
9 Replies
2942 Views |
November 06, 2021, 04:31:09 pm by PRR |
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AB763 high voltages help
Started by joesatch |
14 Replies
3589 Views |
November 05, 2021, 10:02:45 pm by PRR |
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Starting my AB763-1 build
Started by Hazcat |
2 Replies
1876 Views |
November 05, 2021, 02:10:52 pm by Hazcat |
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Stout Reverb NFB switch
Started by tkm |
2 Replies
1964 Views |
November 05, 2021, 11:51:09 am by tkm |
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Crosstalk when using LND150 FET
Started by Leevi |
8 Replies
3233 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
5019 Views |
November 05, 2021, 07:28:00 am by mresistor |
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twisting heater wires.
Started by joesatch |
26 Replies
6462 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
6318 Views |
November 04, 2021, 08:44:10 pm by 72Blazer |
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Power transformer question....
Started by Stuff4bikes |
5 Replies
2087 Views |
November 04, 2021, 05:08:40 pm by HotBluePlates |
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AB763 Bias too cold resistor swap
Started by joesatch |
1 Replies
2091 Views |
November 04, 2021, 12:59:43 pm by sluckey |
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Power supply for Kustom Defender V30
Started by frankenxtein |
7 Replies
3301 Views |
November 04, 2021, 12:34:55 am by frankenxtein |
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Silvertone 1484 - low output
Started by scstill |
45 Replies
13896 Views |
November 03, 2021, 08:50:51 am by scstill |
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2 Replies
2216 Views |
November 03, 2021, 06:37:41 am by cboysen |
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5E8A question
Started by mresistor |
5 Replies
2480 Views |
November 02, 2021, 11:48:23 pm by mresistor |
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6G15 Hum-loop block network
Started by Roukedou |
8 Replies
5867 Views |
November 02, 2021, 01:05:42 pm by prongster |
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Electronics/Tube Amp Course?
Started by 72Blazer |
10 Replies
2995 Views |
November 02, 2021, 09:17:39 am by pdf64 |
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23 Replies
4689 Views |
November 02, 2021, 05:34:41 am by pdf64 |
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2 Replies
1697 Views |
November 01, 2021, 04:26:39 pm by joesatch |
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5E8A clone coming out of standby
Started by mresistor |
5 Replies
2696 Views |
November 01, 2021, 03:18:31 pm by mresistor |
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