Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 01:09:24 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 01:09:24 pm | ||
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| 0 Members and 44 Guests are viewing this board. | ||||
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Hoffman Plexi 50 questions
Started by circuitcrafter |
16 Replies
6014 Views |
October 13, 2014, 10:41:03 pmby circuitcrafter |
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5B4 Circuit build. Resistor question.
Started by olgoat |
9 Replies
3783 Views |
October 13, 2014, 09:27:25 pm by olgoat |
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good clean fun...
Started by DummyLoad |
7 Replies
4481 Views |
October 13, 2014, 05:10:27 pm by kagliostro |
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170 Replies
60316 Views |
October 13, 2014, 07:26:54 am by Voxbox |
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Problems with a Pro
Started by Blind Lemon |
23 Replies
7163 Views |
October 11, 2014, 09:32:50 pm by Platefire |
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el84 red screening? NOT red plating(spiral)
Started by jeff |
12 Replies
5927 Views |
October 11, 2014, 08:39:19 pm by jeff |
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marshall 2203 800v on B+
Started by jcm-jmp |
9 Replies
6495 Views |
October 11, 2014, 05:19:05 pm by jcm-jmp |
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Alamo Jet Reverb 2564 (and Trem)
Started by Blind Lemon |
4 Replies
4519 Views |
October 10, 2014, 01:56:58 pm by Blind Lemon |
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0 Replies
2077 Views |
October 10, 2014, 11:46:00 am by EL34 |
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Salvaging a 5c3 "Frankenstein" amp
Started by apwwest59 |
39 Replies
10144 Views |
October 09, 2014, 01:29:51 am by PRR |
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PPIMV with switch?
Started by AZJimC |
4 Replies
3396 Views |
October 07, 2014, 10:33:51 pm by kagliostro |
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AB763 trem disconnect
Started by osing |
5 Replies
3525 Views |
October 07, 2014, 08:58:10 pm by osing |
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got transformers! What should i build?
Started by mikhett |
6 Replies
3003 Views |
October 07, 2014, 06:16:43 pm by DummyLoad |
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Circuit Question
Started by sdp1234 |
5 Replies
2980 Views |
October 07, 2014, 03:35:14 pm by sdp1234 |
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Fender brownface hiss
Started by g-man |
10 Replies
4261 Views |
October 07, 2014, 01:26:13 am by AZJimC |
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4 Replies
4110 Views |
October 06, 2014, 12:06:01 pm by tubeswell |
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7 Replies
4356 Views |
October 06, 2014, 07:14:54 am by bakerlite |
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2 Replies
3297 Views |
October 05, 2014, 10:04:57 pm by HotBluePlates |
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JTM45 build help - no preamp heaters
Started by klarsen01 |
4 Replies
3036 Views |
October 05, 2014, 08:46:00 pm by DummyLoad |
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0 Replies
2411 Views |
October 05, 2014, 07:38:37 pm by Willabe |
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20 Replies
5599 Views |
October 04, 2014, 07:01:36 pm by shooter |
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Rattling power tubes
Started by Leevi |
8 Replies
3685 Views |
October 04, 2014, 02:18:47 am by jeff |
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10 Replies
4080 Views |
October 04, 2014, 02:15:07 am by kagliostro |
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New project - 2204-ish 2x6V6s
Started by Ken Moon |
2 Replies
2549 Views |
October 03, 2014, 09:31:40 pm by TIMBO |
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RCA EF86 Says England
Started by Ed_Chambley |
3 Replies
2992 Views |
October 02, 2014, 07:32:14 pm by HotBluePlates |
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New build n questions
Started by shooter |
6 Replies
2925 Views |
October 01, 2014, 08:42:55 am by shooter |
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5 Replies
3914 Views |
September 30, 2014, 09:57:17 am by kagliostro |
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200 Watt All Tube Bass Amp
Started by SupLar |
20 Replies
7369 Views |
September 30, 2014, 06:21:38 am by Ritchie200 |
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Vol pot and cap in series Question
Started by tubenit |
9 Replies
4065 Views |
September 29, 2014, 08:25:58 pm by tubenit |
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Stromberg-Carlson PA amp
Started by billcreller |
34 Replies
12170 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
7879 Views |
September 29, 2014, 10:23:57 am by frank57 |
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Cathode bypass cap. question
Started by Stankfut |
8 Replies
7324 Views |
September 27, 2014, 07:33:12 pm by shooter |
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10 Replies
4163 Views |
September 26, 2014, 07:43:45 pm by Mike_J |
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5 Replies
4474 Views |
September 26, 2014, 04:21:42 pm by guntherbuffalo |
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Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
13718 Views |
September 26, 2014, 01:50:17 pm by Stankfut |
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20 Replies
10383 Views |
September 26, 2014, 07:51:29 am by Mike_J |
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Twist lock capacitor replacement
Started by Stankfut |
18 Replies
6462 Views |
September 25, 2014, 04:02:48 pm by sluckey |
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3 Replies
3517 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
5208 Views |
September 25, 2014, 09:00:44 am by Ken Moon |
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Plexi rebuild problems
Started by Auke Jolman |
15 Replies
5235 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
2546 Views |
September 24, 2014, 08:13:53 pm by Mike_J |
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Marshall JMP 2204
Started by Leevi |
8 Replies
4628 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
2256 Views |
September 23, 2014, 10:27:40 am by Ed_Chambley |
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screen tap ?
Started by shooter |
14 Replies
6000 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
2470 Views |
September 22, 2014, 08:32:39 pm by TerryD |
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8 Replies
5370 Views |
September 22, 2014, 11:25:20 am by hesamadman |
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25 Replies
10495 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
15495 Views |
September 22, 2014, 08:34:05 am by tubenit |
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22 Replies
8525 Views |
September 21, 2014, 10:26:25 pm by Mike_J |
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117 Replies
35087 Views |
September 20, 2014, 05:29:54 pm by P Batty |
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