Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 08:37:37 pm
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 08:37:37 pm | ||
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12au7 heater problem
Started by fossilshark |
13 Replies
7429 Views |
December 06, 2016, 06:34:56 pmby pompeiisneaks |
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9 Replies
5775 Views |
December 06, 2016, 02:54:55 pm by goldstache |
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F&T wierdness
Started by 12AX7 |
9 Replies
5007 Views |
December 06, 2016, 02:19:40 pm by 12AX7 |
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Low Powered Tweed Twin Issues - Help...
Started by p2pAmps |
13 Replies
6403 Views |
December 06, 2016, 01:17:35 pm by p2pAmps |
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Newcomb P-10-A
Started by Blind Lemon |
10 Replies
6112 Views |
December 06, 2016, 12:47:15 pm by eleventeen |
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Pp 6aq5 pt
Started by Scsoul |
8 Replies
5701 Views |
December 06, 2016, 12:16:10 pm by Scsoul |
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5 Replies
4755 Views |
December 06, 2016, 11:47:08 am by Bangy |
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Hotrod Deluxe III Weak Clean Channel
Started by dpm309 |
5 Replies
3757 Views |
December 05, 2016, 03:43:53 pm by dpm309 |
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JCM800 Preamp 6v6 Push Pull
Started by mwelch55 |
10 Replies
6966 Views |
December 05, 2016, 01:59:58 pm by HotBluePlates |
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3 Replies
3314 Views |
December 05, 2016, 08:52:02 am by shooter |
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Blowing fuse at startup
Started by dujuarez |
16 Replies
7216 Views |
December 05, 2016, 06:43:28 am by John |
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5f6a low power ( Resolved )
Started by makingnoise88 |
39 Replies
10693 Views |
December 05, 2016, 06:28:48 am by makingnoise88 |
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17 Replies
5847 Views |
December 04, 2016, 08:01:05 pm by Planobilly |
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100 Watt Twin Reverb Low Volume
Started by dpm309 |
4 Replies
4070 Views |
December 04, 2016, 03:40:37 pm by dpm309 |
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Toroidal transformer and reverb tank
Started by Leevi |
6 Replies
4036 Views |
December 03, 2016, 03:37:57 am by Leevi |
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Voltage check
Started by g-man |
2 Replies
3598 Views |
December 02, 2016, 06:29:32 pm by g-man |
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Tube pream in a pedal
Started by Oddvar |
17 Replies
6725 Views |
December 02, 2016, 05:13:02 am by kagliostro |
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microphonics?
Started by shooter |
1 Replies
3392 Views |
December 01, 2016, 03:35:15 pm by pompeiisneaks |
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8 Replies
4597 Views |
December 01, 2016, 02:07:48 pm by afinitemind |
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balancing the PI via trimmer?
Started by 12AX7 |
13 Replies
7358 Views |
December 01, 2016, 12:25:37 pm by 12AX7 |
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New EL84 15 watt build
Started by kingplank |
8 Replies
7430 Views |
December 01, 2016, 09:10:42 am by kingplank |
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Parallel loop schematic?
Started by 12AX7 |
8 Replies
8742 Views |
November 30, 2016, 03:37:49 pm by tubenit |
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7 Replies
6642 Views |
November 30, 2016, 01:11:14 pm by frankenxtein |
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3 Replies
4138 Views |
November 30, 2016, 11:35:27 am by sluckey |
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91 Replies
42383 Views |
November 30, 2016, 11:33:55 am by TubeGeek |
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Wiring heaters?
Started by makingnoise88 |
14 Replies
5174 Views |
November 30, 2016, 12:13:41 am by pompeiisneaks |
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2 Replies
4813 Views |
November 29, 2016, 08:45:56 pm by tubenit |
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Debugging ideas for B-15n - distorted sound
Started by dmp |
39 Replies
15004 Views |
November 29, 2016, 03:12:27 pm by pompeiisneaks |
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AC30 again, too hot?
Started by Oddvar |
3 Replies
3574 Views |
November 29, 2016, 03:09:16 am by Mark |
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7 Replies
6699 Views |
November 28, 2016, 08:15:41 pm by PRR |
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6 Replies
4391 Views |
November 28, 2016, 05:52:16 pm by sluckey |
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7 Replies
4379 Views |
November 28, 2016, 04:19:33 pm by Eulipian |
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60100 into fifty watt?
Started by Oddvar |
1 Replies
3154 Views |
November 28, 2016, 08:01:15 am by sluckey |
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Stage 1&2 oscillation
Started by dennyg |
21 Replies
9238 Views |
November 27, 2016, 10:02:52 pm by dennyg |
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question RE: PT tap
Started by 12AX7 |
8 Replies
4476 Views |
November 27, 2016, 05:46:53 pm by 12AX7 |
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71 Replies
20125 Views |
November 27, 2016, 03:14:09 pm by mresistor |
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doing math ?
Started by shooter |
4 Replies
3434 Views |
November 27, 2016, 01:56:22 pm by drgonzonm |
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7 Replies
5059 Views |
November 27, 2016, 06:45:22 am by Yreva |
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4 Replies
4516 Views |
November 26, 2016, 08:52:36 pm by goangling |
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26 Replies
18672 Views |
November 26, 2016, 08:10:54 pm by pullshocks |
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RCA 6L6s... two sets into a quad situation
Started by TerryD |
5 Replies
4439 Views |
November 26, 2016, 03:43:52 pm by TerryD |
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3 Replies
3325 Views |
November 26, 2016, 11:41:26 am by jasonvilla |
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8 Replies
7584 Views |
November 26, 2016, 11:23:30 am by hcorneli |
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Dummy Load - Question
Started by kagliostro |
17 Replies
7142 Views |
November 26, 2016, 08:05:15 am by tubenit |
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Difficult question about a tube .....
Started by kagliostro |
9 Replies
5684 Views |
November 26, 2016, 07:27:36 am by kagliostro |
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13 Replies
8445 Views |
November 25, 2016, 09:06:31 am by sluckey |
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Choke for HRM with 2xEL34
Started by adamG |
8 Replies
5849 Views |
November 25, 2016, 04:00:02 am by adamG |
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MOVED: Happy Thanksgiving!
Started by Willabe |
0 Replies
2985 Views |
November 23, 2016, 02:35:34 pm by Willabe |
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Liverpool build
Started by Scsoul |
3 Replies
3393 Views |
November 23, 2016, 01:34:07 pm by Scsoul |
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AA764 e-caps question
Started by kagliostro |
3 Replies
3457 Views |
November 23, 2016, 01:07:55 pm by Willabe |
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