Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:33:33 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:33:33 am | ||
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2 Replies
1803 Views |
October 22, 2014, 07:46:47 amby tubenit |
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hum on stand-by
Started by Leevi |
35 Replies
8275 Views |
October 21, 2014, 02:07:41 pm by Leevi |
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ELECTRO-HARMONIX B9 ORGAN MACHINE
Started by EL34 |
0 Replies
1728 Views |
October 21, 2014, 09:07:05 am by EL34 |
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Common / Ground connection to chassis
Started by tompagan123 |
9 Replies
5861 Views |
October 20, 2014, 06:34:43 pm by Mike_J |
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4 Replies
2599 Views |
October 20, 2014, 04:46:30 pm by jojokeo |
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I'm sure this will be a stupid question.
Started by Rp3703 |
16 Replies
4788 Views |
October 20, 2014, 08:52:26 am by jjasilli |
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0 Replies
1704 Views |
October 19, 2014, 01:01:44 pm by frank57 |
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0 Replies
1665 Views |
October 19, 2014, 07:00:05 am by EL34 |
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Hammond Amp Conversion
Started by TIMBO |
0 Replies
2072 Views |
October 19, 2014, 01:39:36 am by TIMBO |
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Has anyone built a Weber Maggie?
Started by Guitarzan |
13 Replies
6169 Views |
October 18, 2014, 11:37:27 am by Guitarzan |
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0 Replies
1611 Views |
October 18, 2014, 08:32:21 am by EL34 |
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Grid stopper question
Started by g-man |
22 Replies
7659 Views |
October 17, 2014, 07:40:37 pm by HotBluePlates |
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Noisy Start Up
Started by Blind Lemon |
6 Replies
2657 Views |
October 16, 2014, 11:03:42 pm by jojokeo |
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Twin reverb 1974 reserection
Started by Auke Jolman |
27 Replies
8078 Views |
October 16, 2014, 03:29:10 pm by Auke Jolman |
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deluxe reverb build hum
Started by rutledj |
9 Replies
3139 Views |
October 16, 2014, 02:45:09 pm by Willabe |
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IN4007 diodes shorted out
Started by TIMBO |
4 Replies
2143 Views |
October 16, 2014, 01:56:42 am by TIMBO |
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6 Replies
2658 Views |
October 16, 2014, 01:39:30 am by kagliostro |
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Pre amp/ amp
Started by jeff |
14 Replies
4062 Views |
October 16, 2014, 12:27:47 am by jeff |
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epiphone valve jr
Started by moondog2u |
8 Replies
3284 Views |
October 15, 2014, 09:22:07 pm by Blind Lemon |
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Stereo tube amp
Started by Leevi |
5 Replies
2159 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
1947 Views |
October 14, 2014, 01:22:33 pm by eleventeen |
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Rectifying 2 uneven HT
Started by guntherbuffalo |
10 Replies
3343 Views |
October 14, 2014, 10:16:53 am by guntherbuffalo |
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PCB repairs
Started by jim |
10 Replies
3263 Views |
October 14, 2014, 05:41:15 am by G._Hoffman |
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Hoffman Plexi 50 questions
Started by circuitcrafter |
16 Replies
4794 Views |
October 13, 2014, 10:41:03 pm by circuitcrafter |
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5B4 Circuit build. Resistor question.
Started by olgoat |
9 Replies
3055 Views |
October 13, 2014, 09:27:25 pm by olgoat |
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good clean fun...
Started by DummyLoad |
7 Replies
3402 Views |
October 13, 2014, 05:10:27 pm by kagliostro |
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170 Replies
45593 Views |
October 13, 2014, 07:26:54 am by Voxbox |
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Problems with a Pro
Started by Blind Lemon |
23 Replies
5837 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
4799 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
5347 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
3578 Views |
October 10, 2014, 01:56:58 pm by Blind Lemon |
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0 Replies
1585 Views |
October 10, 2014, 11:46:00 am by EL34 |
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Salvaging a 5c3 "Frankenstein" amp
Started by apwwest59 |
39 Replies
8148 Views |
October 09, 2014, 01:29:51 am by PRR |
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PPIMV with switch?
Started by AZJimC |
4 Replies
2704 Views |
October 07, 2014, 10:33:51 pm by kagliostro |
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AB763 trem disconnect
Started by osing |
5 Replies
2847 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
2281 Views |
October 07, 2014, 06:16:43 pm by DummyLoad |
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Circuit Question
Started by sdp1234 |
5 Replies
2209 Views |
October 07, 2014, 03:35:14 pm by sdp1234 |
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Fender brownface hiss
Started by g-man |
10 Replies
3239 Views |
October 07, 2014, 01:26:13 am by AZJimC |
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4 Replies
3169 Views |
October 06, 2014, 12:06:01 pm by tubeswell |
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7 Replies
3615 Views |
October 06, 2014, 07:14:54 am by bakerlite |
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2 Replies
2630 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
2262 Views |
October 05, 2014, 08:46:00 pm by DummyLoad |
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0 Replies
1712 Views |
October 05, 2014, 07:38:37 pm by Willabe |
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20 Replies
4417 Views |
October 04, 2014, 07:01:36 pm by shooter |
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Rattling power tubes
Started by Leevi |
8 Replies
2967 Views |
October 04, 2014, 02:18:47 am by jeff |
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10 Replies
3124 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
1982 Views |
October 03, 2014, 09:31:40 pm by TIMBO |
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RCA EF86 Says England
Started by Ed_Chambley |
3 Replies
2335 Views |
October 02, 2014, 07:32:14 pm by HotBluePlates |
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New build n questions
Started by shooter |
6 Replies
2060 Views |
October 01, 2014, 08:42:55 am by shooter |
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5 Replies
3001 Views |
September 30, 2014, 09:57:17 am by kagliostro |
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