Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:01:40 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:01:40 pm | ||
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How does this look for a bias supply?
Started by SILVERGUN |
13 Replies
12090 Views |
May 14, 2013, 02:48:15 pmby kagliostro |
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Mesa Mark V Repair
Started by Finkilium |
5 Replies
5530 Views |
May 14, 2013, 02:09:53 am by Jack1962 |
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3 Replies
4433 Views |
May 13, 2013, 12:12:55 am by HotBluePlates |
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Power Amp- Current Build
Started by silverfox |
12 Replies
7965 Views |
May 12, 2013, 12:20:57 am by silverfox |
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Bias- Voltage or Current?
Started by silverfox |
15 Replies
13110 Views |
May 11, 2013, 11:43:18 pm by silverfox |
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Impedance part 1
Started by spacelabstudio |
20 Replies
7858 Views |
May 11, 2013, 08:00:09 am by burt_toast |
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1-Tube Reverb addon
Started by Ray48 |
21 Replies
7362 Views |
May 10, 2013, 10:55:30 pm by PRR |
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LARMAR grounding question?
Started by ncusack |
3 Replies
3220 Views |
May 10, 2013, 12:07:01 pm by sluckey |
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PT Identification
Started by Ed_Chambley |
37 Replies
14042 Views |
May 10, 2013, 11:51:52 am by DummyLoad |
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12 Replies
5518 Views |
May 09, 2013, 10:36:01 pm by Madison |
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Matchless DC30 channel 2
Started by Leevi |
18 Replies
12615 Views |
May 09, 2013, 02:00:11 am by Leevi |
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Power Transformer Ordering Questions
Started by silverfox |
13 Replies
6250 Views |
May 08, 2013, 11:11:22 pm by silverfox |
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6AF11 Push Pull Amp
Started by hayruss |
45 Replies
22071 Views |
May 08, 2013, 05:18:46 pm by John |
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10 Replies
6781 Views |
May 08, 2013, 07:41:57 am by kagliostro |
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SF Twin Reverb with buzzy reverb
Started by BigE |
5 Replies
3726 Views |
May 07, 2013, 07:13:57 pm by eleventeen |
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plexi clone issues
Started by phsyconoodler |
14 Replies
6751 Views |
May 07, 2013, 01:55:47 pm by plexi50 |
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Silvertone 1484 reverb mod question
Started by chrisq |
4 Replies
4798 Views |
May 07, 2013, 08:07:08 am by plexi50 |
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The importance of sag?
Started by SILVERGUN |
41 Replies
25047 Views |
May 07, 2013, 07:19:14 am by HotBluePlates |
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'73 Traynor YBA-1
Started by burt_toast |
4 Replies
4440 Views |
May 05, 2013, 07:04:36 am by Willabe |
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Valco 510-11 issues
Started by haliles |
14 Replies
7558 Views |
May 05, 2013, 07:02:12 am by Willabe |
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Separate preamp power supply
Started by dscottguitars |
14 Replies
6192 Views |
May 04, 2013, 09:50:23 pm by HotBluePlates |
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MAKING PROGRESS ON A FRUSTRATING BUILD
Started by TIMBO |
26 Replies
9787 Views |
May 04, 2013, 05:09:24 am by tubenit |
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6 Replies
4948 Views |
May 04, 2013, 12:53:42 am by kagliostro |
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Voltage level question
Started by VMS |
14 Replies
9822 Views |
May 03, 2013, 08:46:17 am by HotBluePlates |
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5U4GT Rectifier voltages
Started by simonallaway |
8 Replies
6366 Views |
May 02, 2013, 12:17:15 pm by simonallaway |
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Scary SF 73 Twin in for service
Started by Madison |
33 Replies
12530 Views |
May 02, 2013, 12:01:50 am by Madison |
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Hook-Up wire
Started by J Rindt |
6 Replies
5205 Views |
May 01, 2013, 10:23:58 pm by HotBluePlates |
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mystery transformer set
Started by g-man |
15 Replies
7404 Views |
May 01, 2013, 05:28:34 pm by Willabe |
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22 Replies
11238 Views |
May 01, 2013, 12:17:44 pm by thelonious |
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Identifying leaking caps
Started by SleepLess |
8 Replies
5005 Views |
May 01, 2013, 05:32:20 am by stratele52 |
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Adding preamp stage.
Started by slash1986 |
12 Replies
9777 Views |
April 30, 2013, 09:41:03 am by SILVERGUN |
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6 Replies
4446 Views |
April 29, 2013, 07:18:40 pm by plexi50 |
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6G15 Reverb + vib - single extra 12AX7?
Started by Papernut |
18 Replies
7184 Views |
April 29, 2013, 12:52:41 pm by Papernut |
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/13 bias
Started by Blind Lemon |
17 Replies
15748 Views |
April 28, 2013, 03:57:14 pm by kagliostro |
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Help with Soundtech PA Board please
Started by dwp |
1 Replies
3873 Views |
April 28, 2013, 03:43:18 pm by HotBluePlates |
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bias question
Started by scrimpus |
2 Replies
3270 Views |
April 28, 2013, 03:38:30 pm by HotBluePlates |
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1 Replies
3010 Views |
April 28, 2013, 03:33:23 pm by sluckey |
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Did I loose vacuum ?
Started by Bub |
16 Replies
7625 Views |
April 28, 2013, 01:36:34 pm by tubeswell |
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Chassis heat and fans - your thoughts
Started by alerich |
6 Replies
5260 Views |
April 27, 2013, 05:36:35 pm by Quatro |
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Jack for extra speaker
Started by John |
2 Replies
3586 Views |
April 27, 2013, 12:54:43 pm by John |
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running 6V6 in a EL34 designed amp
Started by 12AX7 |
4 Replies
3687 Views |
April 27, 2013, 09:21:22 am by HotBluePlates |
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Out Tranny I.D.
Started by J Rindt |
16 Replies
8106 Views |
April 26, 2013, 09:30:09 pm by kagliostro |
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10 Replies
5546 Views |
April 26, 2013, 01:50:51 am by phsyconoodler |
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EL84 new production
Started by rzenc |
7 Replies
3918 Views |
April 25, 2013, 10:38:39 pm by jojokeo |
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Ground Question
Started by J Rindt |
12 Replies
5286 Views |
April 25, 2013, 03:57:47 pm by J Rindt |
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led's as pilot lights
Started by phsyconoodler |
17 Replies
8271 Views |
April 25, 2013, 03:44:01 pm by jojokeo |
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Emergency Amp
Started by spacelabstudio |
18 Replies
7639 Views |
April 25, 2013, 08:45:45 am by spacelabstudio |
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2 Replies
5402 Views |
April 25, 2013, 08:15:58 am by gtrplayr1976 |
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2 Replies
2908 Views |
April 25, 2013, 07:40:25 am by simonallaway |
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57 tweed twin
Started by Seegs |
10 Replies
5314 Views |
April 24, 2013, 11:39:53 am by 6G6 |
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