Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 06:33:44 pm | ||
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Marshall JMP 2204
Started by Leevi |
8 Replies
5402 Views |
by Backwoods Joe |
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Resisters on 5f1 build
Started by john_t |
1 Replies
2862 Views |
by Ed_Chambley |
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screen tap ?
Started by shooter |
14 Replies
7013 Views |
by shooter |
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66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
3112 Views |
by TerryD |
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8 Replies
6070 Views |
by hesamadman |
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25 Replies
12150 Views |
by Mike_J |
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18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
16843 Views |
by tubenit |
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22 Replies
9783 Views |
by Mike_J |
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117 Replies
40897 Views |
by P Batty |
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B+ Drop Question
Started by J Rindt |
38 Replies
13814 Views |
by J Rindt |
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Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
11466 Views |
by SILVERGUN |
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0 Replies
3216 Views |
by tubenit |
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6 Replies
9513 Views |
by kagliostro |
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Are there differences in these caps?
Started by hesamadman |
8 Replies
5852 Views |
by Willabe |
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Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
7690 Views |
by HotBluePlates |
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228 Replies
88255 Views |
by SILVERGUN |
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Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
8574 Views |
by Jack_Hester |
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Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
3997 Views |
by EL34 |
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Octave down effect with tubes
Started by Lauri |
15 Replies
7177 Views |
by PRR |
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Stromberg Carlson AU-29
Started by Guitarzan |
23 Replies
10607 Views |
by Guitarzan |
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scratchin my head!
Started by shooter |
24 Replies
8271 Views |
by shooter |
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5 Replies
3977 Views |
by tubeswell |
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3 Replies
3649 Views |
by HotBluePlates |
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TOS Transformers
Started by sdp1234 |
2 Replies
3565 Views |
by sdp1234 |
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MOVED: 15" speaker
Started by tubenit |
0 Replies
2666 Views |
by tubenit |
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TOS vs Dmars
Started by sdp1234 |
8 Replies
4307 Views |
by tubenit |
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tonestack wiring
Started by shooter |
8 Replies
5506 Views |
by shooter |
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New JJ Mid Gain 12AX7
Started by jojokeo |
12 Replies
9885 Views |
by PRR |
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How old is too old for an electrolytic cap
Started by Mike_J |
13 Replies
7381 Views |
by Willabe |
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Please help (modify tone control)
Started by hesamadman |
13 Replies
7013 Views |
by hesamadman |
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MOVED: drawing a schem
Started by EL34 |
0 Replies
2852 Views |
by EL34 |
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6 Replies
3954 Views |
by kwm488 |
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5 Replies
6568 Views |
by Danilewicz |
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Help needed - MB on the bench
Started by rzenc |
16 Replies
7057 Views |
by shooter |
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big bottle score!
Started by DummyLoad |
13 Replies
6626 Views |
by Ed_Chambley |
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Converting AO-43 into 1624t
Started by cobalt |
12 Replies
6347 Views |
by sluckey |
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FYI "editable" SCH generic layouts
Started by tubenit |
1 Replies
3116 Views |
by kagliostro |
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6 Replies
5627 Views |
by Mike_J |
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Mojo 18W trem question
Started by g-man |
3 Replies
3751 Views |
by EL34 |
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Best wire gauge and type for heater supply
Started by Mike_J |
19 Replies
19464 Views |
by Mike_J |
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11 Replies
6103 Views |
by Ed_Chambley |
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14 Replies
9829 Views |
by thermion |
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Fargen Mini-Plex style clone
Started by Big_Mike |
24 Replies
16100 Views |
by SILVERGUN |
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Wire Type
Started by tompagan123 |
20 Replies
8064 Views |
by DummyLoad |
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Classic Tone PT
Started by TIMBO |
2 Replies
3042 Views |
by TIMBO |
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5 Replies
4100 Views |
by Mike_J |
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9 Replies
7598 Views |
by terminalgs |
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no Twin no Reverb - noise - help please
Started by aquitania |
5 Replies
4402 Views |
by eleventeen |
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12 Replies
5590 Views |
by sluckey |
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10 Replies
6251 Views |
by shooter |
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