Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:36 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:36 am | ||
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Discussion: Tone Caps
Started by RadioComm |
5 Replies
4553 Views |
December 04, 2021, 06:45:32 amby RadioComm |
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3 Replies
6645 Views |
December 04, 2021, 06:42:30 am by cboysen |
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16 Replies
7711 Views |
December 04, 2021, 12:36:11 am by PRR |
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Steve Luckey AO-44 Pee Wee Build
Started by Bassden |
3 Replies
4649 Views |
December 03, 2021, 12:52:29 pm by SILVERGUN |
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Help with my HT60
Started by Travis8 |
3 Replies
5369 Views |
December 03, 2021, 12:32:48 pm by tmknight |
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AA1164 princeton pops twice
Started by goldstache |
0 Replies
4223 Views |
December 03, 2021, 11:24:51 am by goldstache |
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Humdinger pot question
Started by joesatch |
30 Replies
15165 Views |
December 02, 2021, 03:24:40 pm by Willabe |
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Flashing LED
Started by TIMBO |
10 Replies
5082 Views |
December 02, 2021, 01:46:28 am by TIMBO |
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Guess what followed Me home AB568??
Started by rafe |
21 Replies
9053 Views |
December 01, 2021, 04:24:58 pm by rafe |
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new amplifier build
Started by khansen810 |
2 Replies
3847 Views |
December 01, 2021, 04:00:59 pm by Bieworm |
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74 Replies
25294 Views |
December 01, 2021, 03:56:19 pm by Bieworm |
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16 Replies
9338 Views |
December 01, 2021, 02:32:39 am by shooter |
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Ibanez TSA5-TVR reverb cutting out
Started by Hoodnight |
3 Replies
4440 Views |
November 30, 2021, 06:53:30 pm by uki |
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KT66 vs 6v6
Started by dragonbat13 |
27 Replies
14559 Views |
November 30, 2021, 04:29:11 pm by PRR |
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Stealth amp
Started by Sonny ReVerb |
9 Replies
5862 Views |
November 30, 2021, 02:45:52 pm by Sonny ReVerb |
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Bias help 6l6 models
Started by joesatch |
9 Replies
8216 Views |
November 30, 2021, 02:14:18 pm by dude |
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Fliptops TM1/M1-R Tremelo Wiring
Started by plexi50 |
6 Replies
5518 Views |
November 29, 2021, 06:50:41 pm by plexi50 |
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Tube amp startup hum
Started by Miyagi_83 |
27 Replies
10667 Views |
November 29, 2021, 03:07:18 pm by Miyagi_83 |
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4 Replies
3745 Views |
November 29, 2021, 01:48:49 pm by Stuff4bikes |
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How does this phase inverter work?
Started by isaac_teller |
5 Replies
4607 Views |
November 28, 2021, 12:46:23 am by isaac_teller |
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32 Replies
10076 Views |
November 27, 2021, 05:11:53 pm by TigerTrading2021 |
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10 Replies
6044 Views |
November 27, 2021, 02:51:07 pm by tmknight |
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Grid stoppers?
Started by Stuff4bikes |
6 Replies
6300 Views |
November 26, 2021, 05:14:32 pm by Stuff4bikes |
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Unusual Hum/Buzz
Started by svejkist |
20 Replies
8008 Views |
November 26, 2021, 03:39:56 pm by svejkist |
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How much to a$k ?
Started by jewishjay |
9 Replies
5607 Views |
November 26, 2021, 11:02:29 am by PRR |
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Adding VVR and Pentode preamp stage
Started by 1blueheron |
10 Replies
5970 Views |
November 26, 2021, 07:50:36 am by 1blueheron |
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17 Replies
7306 Views |
November 25, 2021, 10:39:14 am by uki |
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bleeder resistors
Started by Bieworm |
5 Replies
7691 Views |
November 23, 2021, 04:10:28 pm by trobbins |
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25 Replies
14235 Views |
November 23, 2021, 02:38:27 pm by HotBluePlates |
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Oddball tubes - eccentric circuitry
Started by tschwarz |
2 Replies
4089 Views |
November 23, 2021, 01:29:02 pm by PRR |
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An option for pf value caps
Started by SILVERGUN |
6 Replies
5236 Views |
November 23, 2021, 12:33:43 pm by PRR |
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Tone King Imperial PI Question
Started by johngovan |
9 Replies
5279 Views |
November 22, 2021, 05:24:41 pm by johngovan |
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1 Replies
3834 Views |
November 22, 2021, 03:25:33 pm by uki |
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6G3 master volume
Started by suncrest |
15 Replies
7712 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
5922 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
5285 Views |
November 21, 2021, 04:55:33 pm by plumcrazyfx |
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2 Replies
3859 Views |
November 21, 2021, 10:11:26 am by swingarm |
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Bogen K10 Master Volume
Started by Ifudontlikebees |
6 Replies
4823 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
3678 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
3696 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
5852 Views |
November 20, 2021, 12:37:41 pm by 1blueheron |
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Theory behind this power supply?
Started by 1blueheron |
10 Replies
6691 Views |
November 20, 2021, 10:51:17 am by 1blueheron |
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Reverb Driver Transformer
Started by scstill |
1 Replies
3836 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
6177 Views |
November 19, 2021, 10:11:07 am by sluckey |
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Elevating **DC** heater supplies
Started by Craftyjam |
34 Replies
13385 Views |
November 18, 2021, 10:24:51 pm by TigerTrading2021 |
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Grounding diodes on tubes
Started by Stuff4bikes |
2 Replies
3690 Views |
November 18, 2021, 07:35:10 pm by Stuff4bikes |
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NTC Thermistor question
Started by Esquirefreak |
7 Replies
6905 Views |
November 17, 2021, 03:27:54 pm by trobbins |
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32 Replies
10887 Views |
November 17, 2021, 06:55:47 am by shooter |
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Bias issue Fender 6G2
Started by Diverted |
2 Replies
3922 Views |
November 16, 2021, 04:30:46 pm by Diverted |
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My Princeton Reverb Build
Started by dragonbat13 |
13 Replies
8117 Views |
November 15, 2021, 08:33:46 pm by dragonbat13 |
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