Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:01:36 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:01:36 pm | ||
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7199 tube pin wiring on a ga19rvt amp!
Started by scott1968 |
4 Replies
4036 Views |
November 16, 2012, 04:41:20 pmby scott1968 |
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Some new tube protection ?
Started by archaos |
6 Replies
4722 Views |
November 15, 2012, 06:59:02 pm by mresistor |
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"bad" potentiometer
Started by tubenit |
18 Replies
9071 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
11204 Views |
November 15, 2012, 03:36:31 am by stratele52 |
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'3 Monkeys Orangutan' amp
Started by RobBozic |
20 Replies
13907 Views |
November 14, 2012, 10:22:55 am by rzenc |
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6 Replies
12492 Views |
November 14, 2012, 02:16:38 am by kagliostro |
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10 Replies
5594 Views |
November 13, 2012, 09:40:33 pm by sluckey |
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switchable master volume ?
Started by worth |
1 Replies
3385 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
11637 Views |
November 13, 2012, 07:45:14 am by worth |
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9 Replies
4429 Views |
November 12, 2012, 06:29:52 pm by Willabe |
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022905 ohms
Started by shooter |
3 Replies
3456 Views |
November 12, 2012, 06:24:26 am by shooter |
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Edcor Custom PT?
Started by Willabe |
18 Replies
7659 Views |
November 11, 2012, 09:22:28 pm by PRR |
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Blues Jr problem
Started by 12AX7 |
13 Replies
7606 Views |
November 11, 2012, 12:37:29 pm by phsyconoodler |
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RADIOACTIVE MAN????????
Started by TIMBO |
32 Replies
13230 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
11657 Views |
November 11, 2012, 01:38:16 am by HotBluePlates |
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help with old amp please
Started by zendixie |
7 Replies
4417 Views |
November 10, 2012, 05:11:51 pm by billcreller |
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4 Replies
3219 Views |
November 09, 2012, 04:30:39 pm by SILVERGUN |
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6 Replies
7465 Views |
November 09, 2012, 04:10:45 pm by phsyconoodler |
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Princeton Reverb Harsh
Started by plexi50 |
12 Replies
6621 Views |
November 09, 2012, 02:29:31 pm by plexi50 |
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Configuring parallel triode 12AX7
Started by alerich |
19 Replies
20527 Views |
November 09, 2012, 10:29:41 am by SILVERGUN |
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TOL50 el34 bias
Started by tacoma5050 |
4 Replies
5188 Views |
November 09, 2012, 10:06:45 am by SILVERGUN |
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Layout to schematic help please
Started by ncusack |
2 Replies
3039 Views |
November 09, 2012, 04:01:24 am by stratele52 |
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Princeton Reverb Output Transformer
Started by plexi50 |
5 Replies
4352 Views |
November 09, 2012, 03:59:15 am by stratele52 |
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4 Replies
3911 Views |
November 09, 2012, 12:48:34 am by PRR |
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3 Replies
3674 Views |
November 08, 2012, 07:25:14 pm by HotBluePlates |
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Pro 5E5 Amp
Started by plexi50 |
4 Replies
3767 Views |
November 08, 2012, 07:10:19 pm by plexi50 |
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12VDC heater headache
Started by garyboy |
3 Replies
3681 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
7159 Views |
November 08, 2012, 12:15:38 pm by tubeswell |
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pico farad scale caps
Started by llama |
7 Replies
5597 Views |
November 08, 2012, 09:26:08 am by Ed_Chambley |
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104 Replies
35173 Views |
November 07, 2012, 02:34:53 pm by Willabe |
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PAB smoothing mod
Started by tubenit |
1 Replies
3442 Views |
November 07, 2012, 06:59:18 am by Geezer |
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el34 Tube Amp hissy fit
Started by tacoma5050 |
5 Replies
4294 Views |
November 07, 2012, 04:05:42 am by stratele52 |
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tremolo roach
Started by firemedic |
11 Replies
6103 Views |
November 06, 2012, 05:34:49 pm by firemedic |
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Hot PT in Mesa Boogie
Started by Platefire |
29 Replies
11522 Views |
November 06, 2012, 03:08:01 pm by Platefire |
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98 Replies
31945 Views |
November 06, 2012, 01:26:44 pm by Willabe |
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Send Receive schematic
Started by Lizard King |
2 Replies
3933 Views |
November 06, 2012, 10:51:33 am by Lizard King |
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latest build
Started by ernie_jr |
5 Replies
4099 Views |
November 06, 2012, 04:47:32 am by LooseChange |
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1 Replies
4563 Views |
November 06, 2012, 04:29:32 am by stratele52 |
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2 Replies
3024 Views |
November 05, 2012, 08:35:22 pm by PRR |
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Univox Help Needed
Started by cdmarion |
22 Replies
9316 Views |
November 05, 2012, 05:52:09 pm by Ritchie200 |
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Bassman AA865 - {really AC568}
Started by Lizard King |
14 Replies
8412 Views |
November 05, 2012, 07:13:58 am by Lizard King |
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Hum in a GA-19RVT.......
Started by Jack_Hester |
36 Replies
14239 Views |
November 05, 2012, 05:08:04 am by Jack_Hester |
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6G9 Tremolux bias questions
Started by Gone_Fishing |
12 Replies
6566 Views |
November 04, 2012, 11:06:51 am by sluckey |
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13 Replies
9549 Views |
November 04, 2012, 05:57:07 am by six el six |
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24 Replies
12137 Views |
November 03, 2012, 07:16:03 pm by smackoj |
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8 Replies
5648 Views |
November 03, 2012, 11:44:55 am by HotBluePlates |
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12 Replies
6492 Views |
November 02, 2012, 02:41:11 am by kagliostro |
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HRD Crackling: Update Sucess!
Started by plexi50 |
32 Replies
10118 Views |
November 01, 2012, 04:56:33 pm by phsyconoodler |
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coupling caps quality
Started by Colas LeGrippa |
27 Replies
19274 Views |
November 01, 2012, 02:25:44 pm by Colas LeGrippa |
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Mitchell Pro 100 Schematics?
Started by balcorn80 |
8 Replies
8444 Views |
October 31, 2012, 06:16:41 pm by HotBluePlates |
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