Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:44 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:44 am | ||
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newest build pics
Started by phsyconoodler |
9 Replies
4611 Views |
November 23, 2012, 03:22:45 pmby TIMBO |
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Happy Thanksgiving To All!
Started by plexi50 |
10 Replies
6585 Views |
November 23, 2012, 10:25:07 am by Platefire |
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Bizarre problem
Started by 12AX7 |
10 Replies
8267 Views |
November 22, 2012, 11:59:40 pm by 12AX7 |
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Is this how to wire stereo jack to mono?
Started by frank57 |
2 Replies
4659 Views |
November 21, 2012, 06:11:30 pm by sluckey |
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parallel triodes & CF
Started by tubenit |
6 Replies
5055 Views |
November 21, 2012, 05:25:40 pm by 6G6 |
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Substituting pots
Started by knotscott |
4 Replies
3623 Views |
November 20, 2012, 08:04:31 pm by HotBluePlates |
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6G6-A bias circuit ?
Started by worth |
2 Replies
4655 Views |
November 20, 2012, 05:43:54 pm by PRR |
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Ampeg B-12-N........
Started by Jack_Hester « 1 2 3 » |
103 Replies
45428 Views |
November 20, 2012, 09:18:48 am by Jack_Hester |
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12 Replies
6293 Views |
November 19, 2012, 11:20:49 pm by PRR |
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Plate current and red glow
Started by dscottguitars |
44 Replies
15391 Views |
November 19, 2012, 05:37:13 pm by stratele52 |
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DC Heaters
Started by garyboy |
11 Replies
6242 Views |
November 19, 2012, 01:46:06 pm by Willabe |
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12 Replies
7935 Views |
November 19, 2012, 01:02:15 pm by jojokeo |
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Stout Reverb question
Started by JBP |
2 Replies
3505 Views |
November 19, 2012, 06:06:20 am by triode |
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6000.00 guitar and a cheap amp
Started by phsyconoodler |
22 Replies
9396 Views |
November 18, 2012, 08:59:36 pm by Zipslack |
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Octal preamp tube dampening
Started by TubeGeek |
15 Replies
9545 Views |
November 18, 2012, 07:00:22 am by smackoj |
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AIMS dual twelve
Started by firemedic |
26 Replies
15732 Views |
November 18, 2012, 03:22:57 am by SoundmasterG |
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PP EL 34 cathode bias value?
Started by Madison |
24 Replies
29274 Views |
November 17, 2012, 10:57:59 pm by HotBluePlates |
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ReVibe questions
Started by Gone_Fishing |
3 Replies
4810 Views |
November 17, 2012, 11:50:39 am by Gone_Fishing |
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7199 tube pin wiring on a ga19rvt amp!
Started by scott1968 |
4 Replies
4492 Views |
November 16, 2012, 04:41:20 pm by scott1968 |
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Some new tube protection ?
Started by archaos |
6 Replies
5289 Views |
November 15, 2012, 06:59:02 pm by mresistor |
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"bad" potentiometer
Started by tubenit |
18 Replies
9769 Views |
November 15, 2012, 03:58:18 pm by stratele52 |
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How 2 determine origin of buzz?
Started by 12AX7 |
20 Replies
12753 Views |
November 15, 2012, 03:36:31 am by stratele52 |
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'3 Monkeys Orangutan' amp
Started by RobBozic |
20 Replies
14980 Views |
November 14, 2012, 10:22:55 am by rzenc |
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6 Replies
13114 Views |
November 14, 2012, 02:16:38 am by kagliostro |
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10 Replies
6196 Views |
November 13, 2012, 09:40:33 pm by sluckey |
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switchable master volume ?
Started by worth |
1 Replies
3797 Views |
November 13, 2012, 07:09:39 pm by six_eight |
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More output from 5E3
Started by six_eight |
25 Replies
12719 Views |
November 13, 2012, 07:45:14 am by worth |
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9 Replies
4873 Views |
November 12, 2012, 06:29:52 pm by Willabe |
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022905 ohms
Started by shooter |
3 Replies
3922 Views |
November 12, 2012, 06:24:26 am by shooter |
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Edcor Custom PT?
Started by Willabe |
18 Replies
8335 Views |
November 11, 2012, 09:22:28 pm by PRR |
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Blues Jr problem
Started by 12AX7 |
13 Replies
8624 Views |
November 11, 2012, 12:37:29 pm by phsyconoodler |
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RADIOACTIVE MAN????????
Started by TIMBO |
32 Replies
13937 Views |
November 11, 2012, 02:27:21 am by phsyconoodler |
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watt for watt, is SE louder than PP?
Started by six_eight |
33 Replies
12796 Views |
November 11, 2012, 01:38:16 am by HotBluePlates |
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help with old amp please
Started by zendixie |
7 Replies
4872 Views |
November 10, 2012, 05:11:51 pm by billcreller |
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4 Replies
3665 Views |
November 09, 2012, 04:30:39 pm by SILVERGUN |
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6 Replies
8272 Views |
November 09, 2012, 04:10:45 pm by phsyconoodler |
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Princeton Reverb Harsh
Started by plexi50 |
12 Replies
7254 Views |
November 09, 2012, 02:29:31 pm by plexi50 |
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Configuring parallel triode 12AX7
Started by alerich |
19 Replies
21559 Views |
November 09, 2012, 10:29:41 am by SILVERGUN |
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TOL50 el34 bias
Started by tacoma5050 |
4 Replies
5686 Views |
November 09, 2012, 10:06:45 am by SILVERGUN |
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Layout to schematic help please
Started by ncusack |
2 Replies
3567 Views |
November 09, 2012, 04:01:24 am by stratele52 |
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Princeton Reverb Output Transformer
Started by plexi50 |
5 Replies
4865 Views |
November 09, 2012, 03:59:15 am by stratele52 |
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4 Replies
4394 Views |
November 09, 2012, 12:48:34 am by PRR |
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3 Replies
4090 Views |
November 08, 2012, 07:25:14 pm by HotBluePlates |
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Pro 5E5 Amp
Started by plexi50 |
4 Replies
4201 Views |
November 08, 2012, 07:10:19 pm by plexi50 |
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12VDC heater headache
Started by garyboy |
3 Replies
4169 Views |
November 08, 2012, 03:12:20 pm by garyboy |
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5E3 oscillating from feedback loop
Started by six_eight |
12 Replies
7850 Views |
November 08, 2012, 12:15:38 pm by tubeswell |
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pico farad scale caps
Started by llama |
7 Replies
6146 Views |
November 08, 2012, 09:26:08 am by Ed_Chambley |
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104 Replies
40745 Views |
November 07, 2012, 02:34:53 pm by Willabe |
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PAB smoothing mod
Started by tubenit |
1 Replies
3982 Views |
November 07, 2012, 06:59:18 am by Geezer |
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el34 Tube Amp hissy fit
Started by tacoma5050 |
5 Replies
4795 Views |
November 07, 2012, 04:05:42 am by stratele52 |
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