Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 01:06:11 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 01:06:11 pm | ||
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parallel triodes & CF
Started by tubenit |
6 Replies
3188 Views |
November 21, 2012, 05:25:40 pmby 6G6 |
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Substituting pots
Started by knotscott |
4 Replies
1923 Views |
November 20, 2012, 08:04:31 pm by HotBluePlates |
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6G6-A bias circuit ?
Started by worth |
2 Replies
2378 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
26847 Views |
November 20, 2012, 09:18:48 am by Jack_Hester |
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12 Replies
3875 Views |
November 19, 2012, 11:20:49 pm by PRR |
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Plate current and red glow
Started by dscottguitars |
44 Replies
9656 Views |
November 19, 2012, 05:37:13 pm by stratele52 |
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DC Heaters
Started by garyboy |
11 Replies
3555 Views |
November 19, 2012, 01:46:06 pm by Willabe |
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12 Replies
5598 Views |
November 19, 2012, 01:02:15 pm by jojokeo |
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Stout Reverb question
Started by JBP |
2 Replies
1933 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
6006 Views |
November 18, 2012, 08:59:36 pm by Zipslack |
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Octal preamp tube dampening
Started by TubeGeek |
15 Replies
6716 Views |
November 18, 2012, 07:00:22 am by smackoj |
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AIMS dual twelve
Started by firemedic |
26 Replies
11154 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
23881 Views |
November 17, 2012, 10:57:59 pm by HotBluePlates |
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ReVibe questions
Started by Gone_Fishing |
3 Replies
2681 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
2670 Views |
November 16, 2012, 04:41:20 pm by scott1968 |
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Some new tube protection ?
Started by archaos |
6 Replies
3041 Views |
November 15, 2012, 06:59:02 pm by mresistor |
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"bad" potentiometer
Started by tubenit |
18 Replies
6301 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
7803 Views |
November 15, 2012, 03:36:31 am by stratele52 |
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'3 Monkeys Orangutan' amp
Started by RobBozic |
20 Replies
10374 Views |
November 14, 2012, 10:22:55 am by rzenc |
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6 Replies
10276 Views |
November 14, 2012, 02:16:38 am by kagliostro |
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10 Replies
3633 Views |
November 13, 2012, 09:40:33 pm by sluckey |
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switchable master volume ?
Started by worth |
1 Replies
2257 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
8060 Views |
November 13, 2012, 07:45:14 am by worth |
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9 Replies
2963 Views |
November 12, 2012, 06:29:52 pm by Willabe |
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022905 ohms
Started by shooter |
3 Replies
2208 Views |
November 12, 2012, 06:24:26 am by shooter |
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Edcor Custom PT?
Started by Willabe |
18 Replies
4977 Views |
November 11, 2012, 09:22:28 pm by PRR |
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Blues Jr problem
Started by 12AX7 |
13 Replies
5120 Views |
November 11, 2012, 12:37:29 pm by phsyconoodler |
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RADIOACTIVE MAN????????
Started by TIMBO |
32 Replies
10119 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
7886 Views |
November 11, 2012, 01:38:16 am by HotBluePlates |
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help with old amp please
Started by zendixie |
7 Replies
2919 Views |
November 10, 2012, 05:11:51 pm by billcreller |
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4 Replies
2003 Views |
November 09, 2012, 04:30:39 pm by SILVERGUN |
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6 Replies
5788 Views |
November 09, 2012, 04:10:45 pm by phsyconoodler |
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Princeton Reverb Harsh
Started by plexi50 |
12 Replies
4569 Views |
November 09, 2012, 02:29:31 pm by plexi50 |
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Configuring parallel triode 12AX7
Started by alerich |
19 Replies
17563 Views |
November 09, 2012, 10:29:41 am by SILVERGUN |
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TOL50 el34 bias
Started by tacoma5050 |
4 Replies
3279 Views |
November 09, 2012, 10:06:45 am by SILVERGUN |
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Layout to schematic help please
Started by ncusack |
2 Replies
1936 Views |
November 09, 2012, 04:01:24 am by stratele52 |
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Princeton Reverb Output Transformer
Started by plexi50 |
5 Replies
3047 Views |
November 09, 2012, 03:59:15 am by stratele52 |
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4 Replies
2383 Views |
November 09, 2012, 12:48:34 am by PRR |
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3 Replies
2351 Views |
November 08, 2012, 07:25:14 pm by HotBluePlates |
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Pro 5E5 Amp
Started by plexi50 |
4 Replies
2557 Views |
November 08, 2012, 07:10:19 pm by plexi50 |
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12VDC heater headache
Started by garyboy |
3 Replies
2300 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
5090 Views |
November 08, 2012, 12:15:38 pm by tubeswell |
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pico farad scale caps
Started by llama |
7 Replies
3486 Views |
November 08, 2012, 09:26:08 am by Ed_Chambley |
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104 Replies
24654 Views |
November 07, 2012, 02:34:53 pm by Willabe |
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PAB smoothing mod
Started by tubenit |
1 Replies
2286 Views |
November 07, 2012, 06:59:18 am by Geezer |
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el34 Tube Amp hissy fit
Started by tacoma5050 |
5 Replies
2636 Views |
November 07, 2012, 04:05:42 am by stratele52 |
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tremolo roach
Started by firemedic |
11 Replies
3879 Views |
November 06, 2012, 05:34:49 pm by firemedic |
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Hot PT in Mesa Boogie
Started by Platefire |
29 Replies
9134 Views |
November 06, 2012, 03:08:01 pm by Platefire |
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98 Replies
22881 Views |
November 06, 2012, 01:26:44 pm by Willabe |
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Send Receive schematic
Started by Lizard King |
2 Replies
2375 Views |
November 06, 2012, 10:51:33 am by Lizard King |
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