Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:02:42 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:02:42 pm | ||
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deluxe reverb build hum
Started by rutledj |
9 Replies
4469 Views |
October 16, 2014, 02:45:09 pmby Willabe |
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IN4007 diodes shorted out
Started by TIMBO |
4 Replies
3549 Views |
October 16, 2014, 01:56:42 am by TIMBO |
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6 Replies
4099 Views |
October 16, 2014, 01:39:30 am by kagliostro |
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Pre amp/ amp
Started by jeff |
14 Replies
6181 Views |
October 16, 2014, 12:27:47 am by jeff |
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epiphone valve jr
Started by moondog2u |
8 Replies
5269 Views |
October 15, 2014, 09:22:07 pm by Blind Lemon |
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Stereo tube amp
Started by Leevi |
5 Replies
3715 Views |
October 15, 2014, 07:56:29 pm by shooter |
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tip request! handy size bias resistors
Started by bakerlite |
2 Replies
3052 Views |
October 14, 2014, 01:22:33 pm by eleventeen |
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Rectifying 2 uneven HT
Started by guntherbuffalo |
10 Replies
5255 Views |
October 14, 2014, 10:16:53 am by guntherbuffalo |
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PCB repairs
Started by jim |
10 Replies
4988 Views |
October 14, 2014, 05:41:15 am by G._Hoffman |
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Hoffman Plexi 50 questions
Started by circuitcrafter |
16 Replies
6820 Views |
October 13, 2014, 10:41:03 pm by circuitcrafter |
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5B4 Circuit build. Resistor question.
Started by olgoat |
9 Replies
4460 Views |
October 13, 2014, 09:27:25 pm by olgoat |
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good clean fun...
Started by DummyLoad |
7 Replies
5411 Views |
October 13, 2014, 05:10:27 pm by kagliostro |
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170 Replies
70604 Views |
October 13, 2014, 07:26:54 am by Voxbox |
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Problems with a Pro
Started by Blind Lemon |
23 Replies
8225 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
6786 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
7414 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
5109 Views |
October 10, 2014, 01:56:58 pm by Blind Lemon |
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0 Replies
2654 Views |
October 10, 2014, 11:46:00 am by EL34 |
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Salvaging a 5c3 "Frankenstein" amp
Started by apwwest59 |
39 Replies
11266 Views |
October 09, 2014, 01:29:51 am by PRR |
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PPIMV with switch?
Started by AZJimC |
4 Replies
4038 Views |
October 07, 2014, 10:33:51 pm by kagliostro |
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AB763 trem disconnect
Started by osing |
5 Replies
4175 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
3654 Views |
October 07, 2014, 06:16:43 pm by DummyLoad |
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Circuit Question
Started by sdp1234 |
5 Replies
3728 Views |
October 07, 2014, 03:35:14 pm by sdp1234 |
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Fender brownface hiss
Started by g-man |
10 Replies
5040 Views |
October 07, 2014, 01:26:13 am by AZJimC |
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4 Replies
4971 Views |
October 06, 2014, 12:06:01 pm by tubeswell |
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7 Replies
5033 Views |
October 06, 2014, 07:14:54 am by bakerlite |
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2 Replies
3953 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
3724 Views |
October 05, 2014, 08:46:00 pm by DummyLoad |
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0 Replies
3094 Views |
October 05, 2014, 07:38:37 pm by Willabe |
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20 Replies
6490 Views |
October 04, 2014, 07:01:36 pm by shooter |
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Rattling power tubes
Started by Leevi |
8 Replies
4389 Views |
October 04, 2014, 02:18:47 am by jeff |
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10 Replies
4833 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
3127 Views |
October 03, 2014, 09:31:40 pm by TIMBO |
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RCA EF86 Says England
Started by Ed_Chambley |
3 Replies
3637 Views |
October 02, 2014, 07:32:14 pm by HotBluePlates |
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New build n questions
Started by shooter |
6 Replies
3672 Views |
October 01, 2014, 08:42:55 am by shooter |
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5 Replies
4648 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
8439 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
4960 Views |
September 29, 2014, 08:25:58 pm by tubenit |
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Stromberg-Carlson PA amp
Started by billcreller |
34 Replies
13681 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
8691 Views |
September 29, 2014, 10:23:57 am by frank57 |
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Cathode bypass cap. question
Started by Stankfut |
8 Replies
8255 Views |
September 27, 2014, 07:33:12 pm by shooter |
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10 Replies
5014 Views |
September 26, 2014, 07:43:45 pm by Mike_J |
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5 Replies
5228 Views |
September 26, 2014, 04:21:42 pm by guntherbuffalo |
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Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
16297 Views |
September 26, 2014, 01:50:17 pm by Stankfut |
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20 Replies
11916 Views |
September 26, 2014, 07:51:29 am by Mike_J |
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Twist lock capacitor replacement
Started by Stankfut |
18 Replies
7257 Views |
September 25, 2014, 04:02:48 pm by sluckey |
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3 Replies
4266 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
6096 Views |
September 25, 2014, 09:00:44 am by Ken Moon |
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Plexi rebuild problems
Started by Auke Jolman |
15 Replies
6084 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
3235 Views |
September 24, 2014, 08:13:53 pm by Mike_J |
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