Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 06:31:53 am | ||
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Is this wiring right for speaker jacks?
Started by frank57 |
12 Replies
8215 Views |
by frank57 |
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Cathode bypass cap. question
Started by Stankfut |
8 Replies
7717 Views |
by shooter |
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10 Replies
4523 Views |
by Mike_J |
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5 Replies
4836 Views |
by guntherbuffalo |
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Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
14921 Views |
by Stankfut |
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20 Replies
11032 Views |
by Mike_J |
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Twist lock capacitor replacement
Started by Stankfut |
18 Replies
6832 Views |
by sluckey |
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3 Replies
3853 Views |
by Mike_J |
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Re: Split; PT's and heater noise.
Started by HotBluePlates |
11 Replies
5590 Views |
by Ken Moon |
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Plexi rebuild problems
Started by Auke Jolman |
15 Replies
5611 Views |
by tubenit |
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JTM45/800 Stereo Amp Layout
Started by Mike_J |
2 Replies
2884 Views |
by Mike_J |
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Marshall JMP 2204
Started by Leevi |
8 Replies
5006 Views |
by Backwoods Joe |
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Resisters on 5f1 build
Started by john_t |
1 Replies
2515 Views |
by Ed_Chambley |
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screen tap ?
Started by shooter |
14 Replies
6456 Views |
by shooter |
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66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
2764 Views |
by TerryD |
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8 Replies
5719 Views |
by hesamadman |
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25 Replies
11254 Views |
by Mike_J |
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18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
16133 Views |
by tubenit |
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22 Replies
9117 Views |
by Mike_J |
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117 Replies
37611 Views |
by P Batty |
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B+ Drop Question
Started by J Rindt |
38 Replies
12930 Views |
by J Rindt |
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Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
10512 Views |
by SILVERGUN |
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0 Replies
2886 Views |
by tubenit |
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6 Replies
9106 Views |
by kagliostro |
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Are there differences in these caps?
Started by hesamadman |
8 Replies
5366 Views |
by Willabe |
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Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
7244 Views |
by HotBluePlates |
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228 Replies
80383 Views |
by SILVERGUN |
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Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
7973 Views |
by Jack_Hester |
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Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
3624 Views |
by EL34 |
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Octave down effect with tubes
Started by Lauri |
15 Replies
6683 Views |
by PRR |
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Stromberg Carlson AU-29
Started by Guitarzan |
23 Replies
9907 Views |
by Guitarzan |
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scratchin my head!
Started by shooter |
24 Replies
7727 Views |
by shooter |
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5 Replies
3585 Views |
by tubeswell |
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3 Replies
3293 Views |
by HotBluePlates |
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TOS Transformers
Started by sdp1234 |
2 Replies
3183 Views |
by sdp1234 |
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MOVED: 15" speaker
Started by tubenit |
0 Replies
2333 Views |
by tubenit |
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TOS vs Dmars
Started by sdp1234 |
8 Replies
3856 Views |
by tubenit |
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tonestack wiring
Started by shooter |
8 Replies
5054 Views |
by shooter |
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New JJ Mid Gain 12AX7
Started by jojokeo |
12 Replies
9375 Views |
by PRR |
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How old is too old for an electrolytic cap
Started by Mike_J |
13 Replies
6764 Views |
by Willabe |
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Please help (modify tone control)
Started by hesamadman |
13 Replies
6429 Views |
by hesamadman |
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MOVED: drawing a schem
Started by EL34 |
0 Replies
2516 Views |
by EL34 |
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6 Replies
3585 Views |
by kwm488 |
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5 Replies
6221 Views |
by Danilewicz |
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Help needed - MB on the bench
Started by rzenc |
16 Replies
6568 Views |
by shooter |
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big bottle score!
Started by DummyLoad |
13 Replies
6110 Views |
by Ed_Chambley |
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Converting AO-43 into 1624t
Started by cobalt |
12 Replies
5839 Views |
by sluckey |
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FYI "editable" SCH generic layouts
Started by tubenit |
1 Replies
2767 Views |
by kagliostro |
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6 Replies
5088 Views |
by Mike_J |
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Mojo 18W trem question
Started by g-man |
3 Replies
3389 Views |
by EL34 |
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