Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:31:02 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:31:02 am | ||
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200 Watt All Tube Bass Amp
Started by SupLar |
20 Replies
5762 Views |
September 30, 2014, 06:21:38 amby Ritchie200 |
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Vol pot and cap in series Question
Started by tubenit |
9 Replies
3008 Views |
September 29, 2014, 08:25:58 pm by tubenit |
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Stromberg-Carlson PA amp
Started by billcreller |
34 Replies
9973 Views |
September 29, 2014, 02:22:01 pm by jjasilli |
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Is this wiring right for speaker jacks?
Started by frank57 |
12 Replies
6902 Views |
September 29, 2014, 10:23:57 am by frank57 |
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Cathode bypass cap. question
Started by Stankfut |
8 Replies
6043 Views |
September 27, 2014, 07:33:12 pm by shooter |
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10 Replies
3198 Views |
September 26, 2014, 07:43:45 pm by Mike_J |
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5 Replies
3487 Views |
September 26, 2014, 04:21:42 pm by guntherbuffalo |
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Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
10669 Views |
September 26, 2014, 01:50:17 pm by Stankfut |
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20 Replies
8362 Views |
September 26, 2014, 07:51:29 am by Mike_J |
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Twist lock capacitor replacement
Started by Stankfut |
18 Replies
5386 Views |
September 25, 2014, 04:02:48 pm by sluckey |
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3 Replies
2650 Views |
September 25, 2014, 02:23:32 pm by Mike_J |
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Re: Split; PT's and heater noise.
Started by HotBluePlates |
11 Replies
4022 Views |
September 25, 2014, 09:00:44 am by Ken Moon |
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Plexi rebuild problems
Started by Auke Jolman |
15 Replies
4097 Views |
September 25, 2014, 05:24:25 am by tubenit |
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JTM45/800 Stereo Amp Layout
Started by Mike_J |
2 Replies
1856 Views |
September 24, 2014, 08:13:53 pm by Mike_J |
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Marshall JMP 2204
Started by Leevi |
8 Replies
3787 Views |
September 23, 2014, 08:17:39 pm by Backwoods Joe |
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Resisters on 5f1 build
Started by john_t |
1 Replies
1764 Views |
September 23, 2014, 10:27:40 am by Ed_Chambley |
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screen tap ?
Started by shooter |
14 Replies
4709 Views |
September 23, 2014, 08:39:43 am by shooter |
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66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
1700 Views |
September 22, 2014, 08:32:39 pm by TerryD |
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8 Replies
4461 Views |
September 22, 2014, 11:25:20 am by hesamadman |
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25 Replies
8199 Views |
September 22, 2014, 11:06:17 am by Mike_J |
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18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
13435 Views |
September 22, 2014, 08:34:05 am by tubenit |
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22 Replies
6628 Views |
September 21, 2014, 10:26:25 pm by Mike_J |
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117 Replies
26200 Views |
September 20, 2014, 05:29:54 pm by P Batty |
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B+ Drop Question
Started by J Rindt |
38 Replies
9730 Views |
September 19, 2014, 09:12:05 pm by J Rindt |
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Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
7728 Views |
September 19, 2014, 05:15:33 pm by SILVERGUN |
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0 Replies
1936 Views |
September 19, 2014, 03:03:51 pm by tubenit |
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6 Replies
7803 Views |
September 19, 2014, 01:16:41 am by kagliostro |
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Are there differences in these caps?
Started by hesamadman |
8 Replies
3856 Views |
September 17, 2014, 06:46:11 pm by Willabe |
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Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
5932 Views |
September 17, 2014, 12:39:31 pm by HotBluePlates |
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228 Replies
57396 Views |
September 17, 2014, 12:14:16 pm by SILVERGUN |
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Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
5764 Views |
September 17, 2014, 04:42:12 am by Jack_Hester |
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Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
2681 Views |
September 16, 2014, 05:51:50 pm by EL34 |
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Octave down effect with tubes
Started by Lauri |
15 Replies
4906 Views |
September 16, 2014, 12:15:30 am by PRR |
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Stromberg Carlson AU-29
Started by Guitarzan |
23 Replies
7461 Views |
September 15, 2014, 08:23:37 pm by Guitarzan |
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scratchin my head!
Started by shooter |
24 Replies
5847 Views |
September 15, 2014, 07:51:57 pm by shooter |
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5 Replies
2569 Views |
September 15, 2014, 01:25:15 pm by tubeswell |
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3 Replies
2218 Views |
September 14, 2014, 08:36:04 pm by HotBluePlates |
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TOS Transformers
Started by sdp1234 |
2 Replies
1941 Views |
September 14, 2014, 07:52:24 pm by sdp1234 |
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MOVED: 15" speaker
Started by tubenit |
0 Replies
1544 Views |
September 14, 2014, 12:07:58 pm by tubenit |
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TOS vs Dmars
Started by sdp1234 |
8 Replies
2635 Views |
September 14, 2014, 11:59:20 am by tubenit |
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tonestack wiring
Started by shooter |
8 Replies
3594 Views |
September 13, 2014, 08:40:12 pm by shooter |
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New JJ Mid Gain 12AX7
Started by jojokeo |
12 Replies
7702 Views |
September 12, 2014, 11:14:40 pm by PRR |
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How old is too old for an electrolytic cap
Started by Mike_J |
13 Replies
4532 Views |
September 12, 2014, 10:14:10 pm by Willabe |
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Please help (modify tone control)
Started by hesamadman |
13 Replies
4622 Views |
September 12, 2014, 02:17:02 pm by hesamadman |
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MOVED: drawing a schem
Started by EL34 |
0 Replies
1599 Views |
September 12, 2014, 12:26:31 pm by EL34 |
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6 Replies
2354 Views |
September 11, 2014, 11:20:15 pm by kwm488 |
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5 Replies
5232 Views |
September 11, 2014, 12:39:23 pm by Danilewicz |
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Help needed - MB on the bench
Started by rzenc |
16 Replies
4769 Views |
September 11, 2014, 12:19:38 pm by shooter |
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big bottle score!
Started by DummyLoad |
13 Replies
4406 Views |
September 11, 2014, 12:17:16 pm by Ed_Chambley |
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Converting AO-43 into 1624t
Started by cobalt |
12 Replies
4207 Views |
September 11, 2014, 07:38:11 am by sluckey |
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