Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 01:09:22 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 01:09:22 pm | ||
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Preamp tube shields
Started by markvalluzzi |
2 Replies
2628 Views |
May 28, 2014, 06:47:58 amby EL34 |
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7 Replies
3859 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
3609 Views |
May 27, 2014, 05:40:35 pm by Colas LeGrippa |
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Reverb Tanks
Started by TIMBO |
4 Replies
3076 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
5390 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
2587 Views |
May 23, 2014, 09:21:50 am by jjasilli |
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8 Replies
4050 Views |
May 23, 2014, 08:06:30 am by Jack1962 |
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Vox Reverb Unit question
Started by kagliostro |
4 Replies
2422 Views |
May 22, 2014, 09:41:45 am by kagliostro |
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200 volt B+ drop!?
Started by navdave |
29 Replies
9847 Views |
May 22, 2014, 02:53:02 am by stratele52 |
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skylark GA5T question
Started by shooter |
2 Replies
2414 Views |
May 21, 2014, 04:18:05 pm by shooter |
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13 Replies
6509 Views |
May 21, 2014, 02:39:06 pm by Gainzilla |
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Power Transformer
Started by TIMBO |
15 Replies
4872 Views |
May 21, 2014, 11:11:50 am by tubeswell |
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77 Replies
18984 Views |
May 20, 2014, 07:53:21 pm by EL34 |
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More on heaters
Started by Ed_Chambley |
47 Replies
15543 Views |
May 20, 2014, 02:26:35 pm by Willabe |
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11 Replies
9224 Views |
May 20, 2014, 06:54:52 am by Jack1962 |
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2 heads on stage
Started by Madison |
9 Replies
4783 Views |
May 19, 2014, 07:09:36 pm by Madison |
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Raised heater CT voltage?
Started by Voxbox |
6 Replies
3442 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
2657 Views |
May 18, 2014, 11:01:36 pm by stevehoover |
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D13 SJT 10/20 Biasing
Started by NotSure |
1 Replies
2631 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
3121 Views |
May 18, 2014, 08:07:13 pm by dude |
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Old Mallory Caps
Started by TerryD |
18 Replies
8294 Views |
May 18, 2014, 03:00:50 pm by EL34 |
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4 Replies
4581 Views |
May 18, 2014, 01:59:53 pm by kagliostro |
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Some jargon definition please
Started by Ross |
5 Replies
3020 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
2975 Views |
May 18, 2014, 01:12:38 pm by TIMBO |
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18 Replies
9428 Views |
May 18, 2014, 04:34:57 am by davew |
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DC Heater Circuit Question
Started by Ed_Chambley |
18 Replies
7808 Views |
May 17, 2014, 06:18:29 pm by shooter |
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Magnatone M4
Started by plexi50 |
6 Replies
3909 Views |
May 17, 2014, 01:19:07 pm by plexi50 |
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TremRevalo unit
Started by tubenit |
7 Replies
3520 Views |
May 17, 2014, 12:22:52 pm by jjasilli |
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11 Replies
5262 Views |
May 17, 2014, 07:48:17 am by kagliostro |
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tone stack question
Started by shooter |
6 Replies
3470 Views |
May 16, 2014, 06:29:58 pm by HotBluePlates |
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13 Replies
7312 Views |
May 15, 2014, 04:04:57 pm by HotBluePlates |
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12 Replies
7564 Views |
May 15, 2014, 07:27:36 am by Willabe |
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5E3 Franken Clone
Started by plexi50 |
3 Replies
3133 Views |
May 14, 2014, 10:16:04 am by plexi50 |
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AA764 Champ diy bug help!!!!!
Started by goldstache |
4 Replies
2310 Views |
May 14, 2014, 08:58:33 am by Willabe |
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Canada Amp Project
Started by TubeGeek |
28 Replies
8071 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
12733 Views |
May 13, 2014, 11:23:05 am by jojokeo |
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2 Replies
2669 Views |
May 13, 2014, 09:44:30 am by chocopower |
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Please help
Started by dscottguitars |
2 Replies
2322 Views |
May 13, 2014, 06:37:32 am by stratele52 |
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Schem question
Started by J Rindt |
15 Replies
4810 Views |
May 13, 2014, 06:08:29 am by EL34 |
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96 Replies
42361 Views |
May 13, 2014, 02:26:46 am by kagliostro |
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Antiquing Aluminium tube cans
Started by Voxbox |
7 Replies
3349 Views |
May 12, 2014, 11:14:31 am by EL34 |
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Powering a tube with 12.6 VDC
Started by hesamadman |
11 Replies
3793 Views |
May 12, 2014, 11:09:14 am by EL34 |
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6G9B Bassman question
Started by stevehoover |
3 Replies
2780 Views |
May 12, 2014, 10:43:53 am by EL34 |
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Champ type kit sounds good but so quiet
Started by NotSure |
9 Replies
3271 Views |
May 11, 2014, 06:05:50 pm by kagliostro |
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9 Replies
5098 Views |
May 11, 2014, 05:49:05 pm by theundeadelvis |
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0 Replies
2551 Views |
May 11, 2014, 03:24:04 pm by eleventeen |
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Supply ripple
Started by Voxbox |
4 Replies
2909 Views |
May 11, 2014, 01:07:48 pm by eleventeen |
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6V6GT's in push pull @ 250V
Started by stevehoover |
5 Replies
4642 Views |
May 11, 2014, 09:32:31 am by stevehoover |
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Speaker ohms mismatch
Started by g-man |
2 Replies
2203 Views |
May 10, 2014, 11:21:33 am by g-man |
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Vintage Andre amp?
Started by lego4040 |
1 Replies
2615 Views |
May 09, 2014, 06:24:17 pm by HotBluePlates |
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