Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:53:07 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:53:07 pm | ||
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Uncommon tubes
Started by Stuff4bikes |
3 Replies
1983 Views |
December 08, 2021, 01:55:09 amby Esquirefreak |
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Fender Princeton w/no trem or reverb
Started by mford |
7 Replies
2507 Views |
December 07, 2021, 08:48:19 pm by jordan86 |
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57 Replies
14474 Views |
December 07, 2021, 06:40:41 pm by pdf64 |
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Show and tell p2pAmps Rusty-Dawg
Started by p2pAmps |
10 Replies
3292 Views |
December 06, 2021, 07:58:43 am by p2pAmps |
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8 Replies
2467 Views |
December 05, 2021, 09:10:09 pm by Colas LeGrippa |
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13 Replies
3911 Views |
December 05, 2021, 12:39:59 am by Catmaigne |
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2204 add extra grid stoppers?
Started by joesatch |
6 Replies
2501 Views |
December 04, 2021, 03:17:32 pm by joesatch |
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Discussion: Tone Caps
Started by RadioComm |
5 Replies
2547 Views |
December 04, 2021, 06:45:32 am by RadioComm |
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3 Replies
3542 Views |
December 04, 2021, 06:42:30 am by cboysen |
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16 Replies
4612 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
2168 Views |
December 03, 2021, 12:52:29 pm by SILVERGUN |
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Help with my HT60
Started by Travis8 |
3 Replies
2591 Views |
December 03, 2021, 12:32:48 pm by tmknight |
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AA1164 princeton pops twice
Started by goldstache |
0 Replies
1782 Views |
December 03, 2021, 11:24:51 am by goldstache |
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Humdinger pot question
Started by joesatch |
30 Replies
8825 Views |
December 02, 2021, 03:24:40 pm by Willabe |
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Flashing LED
Started by TIMBO |
10 Replies
2715 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
6058 Views |
December 01, 2021, 04:24:58 pm by rafe |
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new amplifier build
Started by khansen810 |
2 Replies
1763 Views |
December 01, 2021, 04:00:59 pm by Bieworm |
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74 Replies
13674 Views |
December 01, 2021, 03:56:19 pm by Bieworm |
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16 Replies
5415 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
2136 Views |
November 30, 2021, 06:53:30 pm by uki |
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KT66 vs 6v6
Started by dragonbat13 |
27 Replies
8959 Views |
November 30, 2021, 04:29:11 pm by PRR |
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Stealth amp
Started by Sonny ReVerb |
9 Replies
3349 Views |
November 30, 2021, 02:45:52 pm by Sonny ReVerb |
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Bias help 6l6 models
Started by joesatch |
9 Replies
4790 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
2877 Views |
November 29, 2021, 06:50:41 pm by plexi50 |
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Tube amp startup hum
Started by Miyagi_83 |
27 Replies
5916 Views |
November 29, 2021, 03:07:18 pm by Miyagi_83 |
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4 Replies
1819 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
2360 Views |
November 28, 2021, 12:46:23 am by isaac_teller |
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32 Replies
5490 Views |
November 27, 2021, 05:11:53 pm by TigerTrading2021 |
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10 Replies
3468 Views |
November 27, 2021, 02:51:07 pm by tmknight |
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Grid stoppers?
Started by Stuff4bikes |
6 Replies
3384 Views |
November 26, 2021, 05:14:32 pm by Stuff4bikes |
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Unusual Hum/Buzz
Started by svejkist |
20 Replies
4499 Views |
November 26, 2021, 03:39:56 pm by svejkist |
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How much to a$k ?
Started by jewishjay |
9 Replies
2891 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
3260 Views |
November 26, 2021, 07:50:36 am by 1blueheron |
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17 Replies
4129 Views |
November 25, 2021, 10:39:14 am by uki |
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bleeder resistors
Started by Bieworm |
5 Replies
4112 Views |
November 23, 2021, 04:10:28 pm by trobbins |
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25 Replies
8584 Views |
November 23, 2021, 02:38:27 pm by HotBluePlates |
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Oddball tubes - eccentric circuitry
Started by tschwarz |
2 Replies
1809 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
2372 Views |
November 23, 2021, 12:33:43 pm by PRR |
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Tone King Imperial PI Question
Started by johngovan |
9 Replies
2805 Views |
November 22, 2021, 05:24:41 pm by johngovan |
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1 Replies
1668 Views |
November 22, 2021, 03:25:33 pm by uki |
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6G3 master volume
Started by suncrest |
15 Replies
4095 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
3102 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
2782 Views |
November 21, 2021, 04:55:33 pm by plumcrazyfx |
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2 Replies
1788 Views |
November 21, 2021, 10:11:26 am by swingarm |
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Bogen K10 Master Volume
Started by Ifudontlikebees |
6 Replies
2455 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
1592 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
1818 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
3162 Views |
November 20, 2021, 12:37:41 pm by 1blueheron |
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Theory behind this power supply?
Started by 1blueheron |
10 Replies
3414 Views |
November 20, 2021, 10:51:17 am by 1blueheron |
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Reverb Driver Transformer
Started by scstill |
1 Replies
1789 Views |
November 19, 2021, 05:20:20 pm by sluckey |
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