Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:01:37 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:01:37 pm | ||
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Sunn Solarus solid state power supply
Started by navdave |
14 Replies
7800 Views |
May 30, 2014, 03:41:17 pmby navdave |
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25 Replies
14221 Views |
May 30, 2014, 10:41:17 am by MZANNETOS |
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power supply filtering question
Started by thermion |
3 Replies
4636 Views |
May 29, 2014, 12:09:39 pm by HotBluePlates |
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Good Morning Gut Shots
Started by TeslaRect5150 |
0 Replies
2821 Views |
May 29, 2014, 09:02:48 am by TeslaRect5150 |
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testing bias/lightbulb limiter
Started by jeff |
2 Replies
3104 Views |
May 29, 2014, 03:32:30 am by stratele52 |
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one two testing REDPLATE pics
Started by Colas LeGrippa |
2 Replies
3782 Views |
May 28, 2014, 05:51:42 pm by Colas LeGrippa |
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LOUD hum, with master volume turned up
Started by Gainzilla |
21 Replies
16113 Views |
May 28, 2014, 03:44:10 pm by HotBluePlates |
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High headroom and overdrive in the same amp
Started by Leevi |
9 Replies
5487 Views |
May 28, 2014, 01:10:27 pm by Ritchie200 |
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low watt harp amp
Started by John |
6 Replies
5173 Views |
May 28, 2014, 12:51:45 pm by John |
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Preamp tube shields
Started by markvalluzzi |
2 Replies
3141 Views |
May 28, 2014, 06:47:58 am by EL34 |
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7 Replies
4674 Views |
May 27, 2014, 06:09:34 pm by Willabe |
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arcing between plate and heater
Started by Colas LeGrippa |
4 Replies
4381 Views |
May 27, 2014, 05:40:35 pm by Colas LeGrippa |
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Reverb Tanks
Started by TIMBO |
4 Replies
3685 Views |
May 26, 2014, 09:43:24 am by terminalgs |
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What do you think of this idea
Started by TIMBO |
13 Replies
6253 Views |
May 23, 2014, 08:29:02 pm by John |
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Can a 4-Lug Marshall Jack be Fixed?
Started by jjasilli |
3 Replies
3190 Views |
May 23, 2014, 09:21:50 am by jjasilli |
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8 Replies
4682 Views |
May 23, 2014, 08:06:30 am by Jack1962 |
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Vox Reverb Unit question
Started by kagliostro |
4 Replies
3044 Views |
May 22, 2014, 09:41:45 am by kagliostro |
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200 volt B+ drop!?
Started by navdave |
29 Replies
11284 Views |
May 22, 2014, 02:53:02 am by stratele52 |
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skylark GA5T question
Started by shooter |
2 Replies
2926 Views |
May 21, 2014, 04:18:05 pm by shooter |
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13 Replies
7376 Views |
May 21, 2014, 02:39:06 pm by Gainzilla |
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Power Transformer
Started by TIMBO |
15 Replies
5543 Views |
May 21, 2014, 11:11:50 am by tubeswell |
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77 Replies
21792 Views |
May 20, 2014, 07:53:21 pm by EL34 |
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More on heaters
Started by Ed_Chambley |
47 Replies
17909 Views |
May 20, 2014, 02:26:35 pm by Willabe |
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11 Replies
9987 Views |
May 20, 2014, 06:54:52 am by Jack1962 |
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2 heads on stage
Started by Madison |
9 Replies
5620 Views |
May 19, 2014, 07:09:36 pm by Madison |
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Raised heater CT voltage?
Started by Voxbox |
6 Replies
4153 Views |
May 19, 2014, 05:05:58 pm by Voxbox |
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Have to build or go nuts
Started by stevehoover |
3 Replies
3260 Views |
May 18, 2014, 11:01:36 pm by stevehoover |
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D13 SJT 10/20 Biasing
Started by NotSure |
1 Replies
3145 Views |
May 18, 2014, 09:04:06 pm by HotBluePlates |
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Not sure if voltages are correct ?
Started by dude |
4 Replies
3777 Views |
May 18, 2014, 08:07:13 pm by dude |
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Old Mallory Caps
Started by TerryD |
18 Replies
9097 Views |
May 18, 2014, 03:00:50 pm by EL34 |
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4 Replies
5207 Views |
May 18, 2014, 01:59:53 pm by kagliostro |
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Some jargon definition please
Started by Ross |
5 Replies
3485 Views |
May 18, 2014, 01:19:58 pm by TIMBO |
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Adding a Dwell pot to reverb
Started by TIMBO |
2 Replies
3397 Views |
May 18, 2014, 01:12:38 pm by TIMBO |
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18 Replies
10413 Views |
May 18, 2014, 04:34:57 am by davew |
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DC Heater Circuit Question
Started by Ed_Chambley |
18 Replies
8817 Views |
May 17, 2014, 06:18:29 pm by shooter |
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Magnatone M4
Started by plexi50 |
6 Replies
4379 Views |
May 17, 2014, 01:19:07 pm by plexi50 |
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TremRevalo unit
Started by tubenit |
7 Replies
3989 Views |
May 17, 2014, 12:22:52 pm by jjasilli |
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11 Replies
5790 Views |
May 17, 2014, 07:48:17 am by kagliostro |
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tone stack question
Started by shooter |
6 Replies
3925 Views |
May 16, 2014, 06:29:58 pm by HotBluePlates |
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13 Replies
8018 Views |
May 15, 2014, 04:04:57 pm by HotBluePlates |
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12 Replies
8265 Views |
May 15, 2014, 07:27:36 am by Willabe |
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5E3 Franken Clone
Started by plexi50 |
3 Replies
3511 Views |
May 14, 2014, 10:16:04 am by plexi50 |
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AA764 Champ diy bug help!!!!!
Started by goldstache |
4 Replies
2600 Views |
May 14, 2014, 08:58:33 am by Willabe |
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Canada Amp Project
Started by TubeGeek |
28 Replies
8939 Views |
May 13, 2014, 01:32:48 pm by Tom_Hull |
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12AX7 max input signal voltage ?
Started by Colas LeGrippa |
12 Replies
13531 Views |
May 13, 2014, 11:23:05 am by jojokeo |
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2 Replies
2982 Views |
May 13, 2014, 09:44:30 am by chocopower |
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Please help
Started by dscottguitars |
2 Replies
2654 Views |
May 13, 2014, 06:37:32 am by stratele52 |
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Schem question
Started by J Rindt |
15 Replies
5428 Views |
May 13, 2014, 06:08:29 am by EL34 |
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96 Replies
47167 Views |
May 13, 2014, 02:26:46 am by kagliostro |
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Antiquing Aluminium tube cans
Started by Voxbox |
7 Replies
3746 Views |
May 12, 2014, 11:14:31 am by EL34 |
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