Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 09:15:50 am | ||
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by markmalin |
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7 Replies
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by simonallaway |
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13 Replies
8958 Views |
by Mike_J |
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5F2A Oscillation
Started by mworthi717 |
9 Replies
5711 Views |
by mworthi717 |
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KT66 vs. 5881
Started by tubenit |
14 Replies
21390 Views |
by Mike_J |
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32 Replies
12612 Views |
by Jack_Hester |
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Crate Palomino
Started by billcreller |
17 Replies
5928 Views |
by billcreller |
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Marshall silver jubilee clone problem
Started by ericlen838 |
5 Replies
4657 Views |
by sluckey |
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116 Replies
31926 Views |
by lego4040 |
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9 Replies
5474 Views |
by Mike_J |
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Low Power Standel 10L12 with 6V6 amp
Started by kingplank |
32 Replies
13427 Views |
by kingplank |
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Looking for Hard to find PT
Started by dude |
24 Replies
8173 Views |
by Tone Junkie |
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0 Replies
2518 Views |
by Mike_J |
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Marshall 1986 JMP 50 Bass / 7027
Started by plexi50 |
0 Replies
3208 Views |
by plexi50 |
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From Valco one gadget for your amp
Started by kagliostro |
1 Replies
2836 Views |
by MadMax |
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4 Replies
3459 Views |
by TerryD |
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5e3 first build _ampro
Started by ernest |
36 Replies
15522 Views |
by plexi50 |
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Carolina Blues Special (update)
Started by tubenit |
5 Replies
5510 Views |
by Ken Moon |
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Isolation jacks
Started by shooter |
9 Replies
5747 Views |
by shooter |
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Bad Cat Hot Cat 15 Schematic
Started by bnwitt |
11 Replies
16258 Views |
by bnwitt |
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Dual Single Ended Output
Started by hesamadman |
48 Replies
25971 Views |
by HotBluePlates |
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11 Replies
6227 Views |
by kagliostro |
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Little losses on 5 f1 negative feedback
Started by john_t |
8 Replies
4142 Views |
by EL34 |
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5 Replies
4878 Views |
by kagliostro |
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6 Replies
4398 Views |
by Mike_J |
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alternative ^V^
Started by DummyLoad |
5 Replies
5221 Views |
by kagliostro |
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ECL 86 ?
Started by Toxophilite |
8 Replies
6224 Views |
by TIMBO |
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6 Replies
4516 Views |
by blues man |
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Quick question regarding my 2204
Started by hesamadman |
7 Replies
4827 Views |
by shooter |
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4 Replies
3828 Views |
by jjasilli |
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34 Replies
14603 Views |
by Mike_J |
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Cap Analyzer 88A ESR/DCR Meter
Started by TubeGeek |
7 Replies
5174 Views |
by TubeGeek |
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21 Replies
8679 Views |
by PRR |
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Component Tolerances
Started by TIMBO |
5 Replies
4270 Views |
by tubeswell |
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13 Replies
6793 Views |
by HotBluePlates |
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44 Replies
15161 Views |
by guntherbuffalo |
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2 Replies
3097 Views |
by tubenit |
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hum on stand-by
Started by Leevi |
35 Replies
11660 Views |
by Leevi |
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ELECTRO-HARMONIX B9 ORGAN MACHINE
Started by EL34 |
0 Replies
2989 Views |
by EL34 |
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Common / Ground connection to chassis
Started by tompagan123 |
9 Replies
7771 Views |
by Mike_J |
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4 Replies
3965 Views |
by jojokeo |
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I'm sure this will be a stupid question.
Started by Rp3703 |
16 Replies
7020 Views |
by jjasilli |
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0 Replies
2785 Views |
by frank57 |
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0 Replies
2812 Views |
by EL34 |
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Hammond Amp Conversion
Started by TIMBO |
0 Replies
3338 Views |
by TIMBO |
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Has anyone built a Weber Maggie?
Started by Guitarzan |
13 Replies
8702 Views |
by Guitarzan |
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0 Replies
2873 Views |
by EL34 |
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Grid stopper question
Started by g-man |
22 Replies
11098 Views |
by HotBluePlates |
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Noisy Start Up
Started by Blind Lemon |
6 Replies
4255 Views |
by jojokeo |
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Twin reverb 1974 reserection
Started by Auke Jolman |
27 Replies
10886 Views |
by Auke Jolman |
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