Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 12:21:52 pm | ||
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Marshall 1959T voltage chart?
Started by jeff |
1 Replies
4318 Views |
by DummyLoad |
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bootstapping comparison
Started by tubenit |
15 Replies
10730 Views |
by jazbo8 |
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Gibson GA-20T Channel 2 dead
Started by BigE |
4 Replies
4531 Views |
by BigE |
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How is this amp biased?
Started by jukelemon |
13 Replies
5603 Views |
by kagliostro |
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Working on an Ampeg V3
Started by TubeGeek |
8 Replies
5362 Views |
by TubeGeek |
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Harp amp project, done
Started by John |
8 Replies
5678 Views |
by John |
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16 Replies
7475 Views |
by HotBluePlates |
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MOVED: Affordable handheld multiscope
Started by EL34 |
0 Replies
3486 Views |
by EL34 |
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Filament Transformer
Started by TIMBO |
2 Replies
3712 Views |
by Leevi |
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2 Replies
4265 Views |
by markmalin |
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7 Replies
4605 Views |
by simonallaway |
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13 Replies
11119 Views |
by Mike_J |
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5F2A Oscillation
Started by mworthi717 |
9 Replies
6687 Views |
by mworthi717 |
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KT66 vs. 5881
Started by tubenit |
14 Replies
22721 Views |
by Mike_J |
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32 Replies
14516 Views |
by Jack_Hester |
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Crate Palomino
Started by billcreller |
17 Replies
6941 Views |
by billcreller |
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Marshall silver jubilee clone problem
Started by ericlen838 |
5 Replies
5587 Views |
by sluckey |
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116 Replies
37108 Views |
by lego4040 |
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9 Replies
6448 Views |
by Mike_J |
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Low Power Standel 10L12 with 6V6 amp
Started by kingplank |
32 Replies
15093 Views |
by kingplank |
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Looking for Hard to find PT
Started by dude |
24 Replies
9384 Views |
by Tone Junkie |
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0 Replies
3285 Views |
by Mike_J |
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Marshall 1986 JMP 50 Bass / 7027
Started by plexi50 |
0 Replies
3995 Views |
by plexi50 |
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From Valco one gadget for your amp
Started by kagliostro |
1 Replies
3639 Views |
by MadMax |
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4 Replies
4171 Views |
by TerryD |
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5e3 first build _ampro
Started by ernest |
36 Replies
17359 Views |
by plexi50 |
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Carolina Blues Special (update)
Started by tubenit |
5 Replies
6402 Views |
by Ken Moon |
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Isolation jacks
Started by shooter |
9 Replies
6803 Views |
by shooter |
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Bad Cat Hot Cat 15 Schematic
Started by bnwitt |
11 Replies
17705 Views |
by bnwitt |
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Dual Single Ended Output
Started by hesamadman |
48 Replies
29117 Views |
by HotBluePlates |
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11 Replies
7331 Views |
by kagliostro |
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Little losses on 5 f1 negative feedback
Started by john_t |
8 Replies
4996 Views |
by EL34 |
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5 Replies
5728 Views |
by kagliostro |
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6 Replies
5435 Views |
by Mike_J |
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alternative ^V^
Started by DummyLoad |
5 Replies
6417 Views |
by kagliostro |
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ECL 86 ?
Started by Toxophilite |
8 Replies
7034 Views |
by TIMBO |
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6 Replies
5338 Views |
by blues man |
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Quick question regarding my 2204
Started by hesamadman |
7 Replies
5801 Views |
by shooter |
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4 Replies
4657 Views |
by jjasilli |
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34 Replies
16774 Views |
by Mike_J |
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Cap Analyzer 88A ESR/DCR Meter
Started by TubeGeek |
7 Replies
5970 Views |
by TubeGeek |
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21 Replies
9928 Views |
by PRR |
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Component Tolerances
Started by TIMBO |
5 Replies
5148 Views |
by tubeswell |
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13 Replies
7857 Views |
by HotBluePlates |
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44 Replies
16816 Views |
by guntherbuffalo |
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2 Replies
3914 Views |
by tubenit |
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hum on stand-by
Started by Leevi |
35 Replies
12992 Views |
by Leevi |
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ELECTRO-HARMONIX B9 ORGAN MACHINE
Started by EL34 |
0 Replies
3757 Views |
by EL34 |
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Common / Ground connection to chassis
Started by tompagan123 |
9 Replies
8692 Views |
by Mike_J |
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4 Replies
4753 Views |
by jojokeo |
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