Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 04:32:45 pm
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:45 pm | ||
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Grid Leak Bias Input Question
Started by gtrbryan |
9 Replies
6795 Views |
August 13, 2012, 04:00:58 pmby HotBluePlates |
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29 Replies
15166 Views |
August 13, 2012, 05:53:26 am by Ed_Chambley |
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Paint transformers
Started by jeff |
8 Replies
8642 Views |
August 12, 2012, 05:18:49 pm by xm52 |
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One Tube Reverb Signal Input
Started by plexi50 |
0 Replies
2717 Views |
August 11, 2012, 07:21:51 pm by plexi50 |
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4AB3C1B vs 9AB2C1B
Started by LooseChange |
8 Replies
7504 Views |
August 11, 2012, 04:34:37 pm by plexi50 |
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2 Replies
3230 Views |
August 11, 2012, 12:26:51 am by garyboy |
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Switching between two tone stacks
Started by swipesy |
9 Replies
7005 Views |
August 10, 2012, 05:57:16 pm by swipesy |
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10 Replies
5244 Views |
August 09, 2012, 10:04:01 pm by bnwitt |
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gibson ga-20 coupling caps
Started by john_t |
16 Replies
7588 Views |
August 09, 2012, 09:26:56 pm by john_t |
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super champ input jack wiring
Started by phsyconoodler |
4 Replies
4337 Views |
August 09, 2012, 03:14:21 pm by phsyconoodler |
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Marshall Reverb Pot Values
Started by plexi50 |
5 Replies
4577 Views |
August 08, 2012, 06:53:52 pm by plexi50 |
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Active FX box & standby?
Started by tubenit |
2 Replies
2982 Views |
August 08, 2012, 06:46:23 pm by tubenit |
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47uf for the phase inverter filter
Started by dscottguitars |
8 Replies
7813 Views |
August 08, 2012, 02:46:16 pm by Willabe |
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8 Replies
9246 Views |
August 08, 2012, 11:11:01 am by phsyconoodler |
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high gain jcm 800 50w w/ 2 pairs kt77?
Started by garyboy |
6 Replies
4204 Views |
August 07, 2012, 09:23:26 pm by garyboy |
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power rail question
Started by ernie_jr |
3 Replies
3618 Views |
August 07, 2012, 08:28:31 pm by ernie_jr |
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Fixed vs Cathode Biasing
Started by plexi50 |
10 Replies
21824 Views |
August 07, 2012, 09:38:15 am by plexi50 |
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Zeners Question
Started by bakerlite |
11 Replies
7577 Views |
August 06, 2012, 05:28:58 am by sluckey |
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MOVED: Go Curiousity!!
Started by tubenit |
0 Replies
2749 Views |
August 06, 2012, 05:23:58 am by tubenit |
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5 Replies
6521 Views |
August 05, 2012, 11:00:24 am by LooseChange |
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10 Replies
5659 Views |
August 04, 2012, 02:11:34 pm by sluckey |
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pt sourcing
Started by Bugman3183 |
13 Replies
5285 Views |
August 04, 2012, 05:24:36 am by EL34 |
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Ampeg GV15
Started by plexi50 |
5 Replies
4815 Views |
August 03, 2012, 11:43:58 pm by DummyLoad |
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two transformers back to back for isolation
Started by jeff |
4 Replies
3710 Views |
August 03, 2012, 03:42:15 pm by proaudioguy |
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Tremolux Ab763 Intensity Pot Issue
Started by volt9 |
9 Replies
5456 Views |
August 02, 2012, 01:07:14 pm by volt9 |
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2 Replies
3501 Views |
August 02, 2012, 12:14:11 pm by HotBluePlates |
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minature alpha pots
Started by tubenit |
1 Replies
2871 Views |
August 02, 2012, 10:10:13 am by sluckey |
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26 Replies
28356 Views |
August 01, 2012, 01:43:43 pm by HotBluePlates |
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blues deville mods
Started by phsyconoodler |
11 Replies
11407 Views |
August 01, 2012, 12:47:44 pm by phsyconoodler |
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2 Replies
3477 Views |
August 01, 2012, 12:15:02 pm by ACHIEVEIT |
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Gulbranson Organ Tube Amp
Started by dpm309 |
28 Replies
13521 Views |
July 31, 2012, 01:38:08 pm by dpm309 |
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16 Replies
6397 Views |
July 31, 2012, 11:19:57 am by jeff |
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9 Replies
6337 Views |
July 29, 2012, 11:24:32 pm by Willabe |
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4 Replies
4770 Views |
July 29, 2012, 06:33:26 am by Tyrannocaster |
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Source for authentic looking tweed fabric
Started by olgoat |
7 Replies
4935 Views |
July 28, 2012, 10:59:35 pm by scrimpus |
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11 Replies
6168 Views |
July 28, 2012, 10:53:07 pm by HotBluePlates |
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Cap ? on Fender twin
Started by Bullet175 |
2 Replies
3036 Views |
July 28, 2012, 02:49:22 pm by Bullet175 |
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Really Low Gain switch - SOLVED
Started by Tyrannocaster |
22 Replies
8923 Views |
July 28, 2012, 12:29:36 pm by DummyLoad |
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5F6A type amp drawing too much current
Started by six el six |
12 Replies
6957 Views |
July 28, 2012, 05:47:31 am by tubeswell |
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Boost foot switch hum problems
Started by Madison |
6 Replies
3683 Views |
July 28, 2012, 12:19:55 am by sluckey |
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AA1164 Effects Loop
Started by Ed_Chambley |
5 Replies
5245 Views |
July 27, 2012, 10:10:01 pm by Fresh_Start |
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No reverb from Fender G15 re-issue
Started by frankeg |
22 Replies
8213 Views |
July 27, 2012, 01:49:29 pm by frankeg |
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18 Replies
7072 Views |
July 27, 2012, 07:44:39 am by Tyrannocaster |
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Another Heater Wiring Question
Started by TIMBO |
7 Replies
4383 Views |
July 27, 2012, 04:34:03 am by TIMBO |
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1 Replies
3300 Views |
July 26, 2012, 07:40:31 pm by mimungr |
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bias pot rating
Started by Quatro |
4 Replies
3129 Views |
July 26, 2012, 12:30:44 pm by Quatro |
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Noise on new build
Started by rzenc |
14 Replies
6383 Views |
July 26, 2012, 10:09:11 am by rzenc |
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3rd prong (AC ground) removed=problems?
Started by Madison |
7 Replies
4087 Views |
July 26, 2012, 07:03:34 am by kagliostro |
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Sluckeys' Warbler question
Started by worth |
2 Replies
3251 Views |
July 25, 2012, 08:04:30 pm by PRR |
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33 Replies
13419 Views |
July 24, 2012, 10:15:29 pm by baileyblues |
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