Welcome To the Hoffman Amplifiers Forum
July 25, 2026, 03:13:56 pm
Welcome To the Hoffman Amplifiers ForumJuly 25, 2026, 03:13:56 pm | ||
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Please do not use VPN's
Started by EL34 |
48 Replies
24355 Views |
February 26, 2026, 11:41:16 amby Greenwichpaul |
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ALL-TIME great information
Started by PRR |
0 Replies
58493 Views |
April 16, 2018, 08:09:37 pm by PRR |
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1 Replies
65475 Views |
October 30, 2015, 01:24:25 pm by EL34 |
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What's this board for?
Started by EL34 |
0 Replies
43525 Views |
May 28, 2009, 04:14:29 pm by EL34 |
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103 Replies
25282 Views |
July 25, 2026, 02:36:12 pm by wsscott |
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Help with 1987 build
Started by ltkrepp |
4 Replies
76 Views |
July 25, 2026, 11:30:54 am by ltkrepp |
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9 Replies
205 Views |
July 25, 2026, 09:49:07 am by wsscott |
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Single tube Reverb headache
Started by shaun |
30 Replies
1910 Views |
July 24, 2026, 06:41:00 pm by Willabe |
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1968 Fender Vibrochamp AA764 Resto
Started by TIMBO |
13 Replies
4198 Views |
July 24, 2026, 03:30:32 pm by shaun |
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Vox AC15 based on Hoffman AC30 layout
Started by Big_Mike |
7 Replies
539 Views |
July 23, 2026, 06:25:04 pm by Big_Mike |
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Deville Transformers Reuse
Started by king_me |
3 Replies
284 Views |
July 22, 2026, 02:48:04 pm by sluckey |
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Bias Help for Rob Robinette JCM800 6V6
Started by rud85ny |
14 Replies
3613 Views |
July 22, 2026, 04:26:33 am by pdf64 |
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88 Replies
31034 Views |
July 21, 2026, 12:05:01 pm by acheld |
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Anyone care to help me finish my build ?
Started by antolc37 |
9 Replies
407 Views |
July 21, 2026, 07:29:14 am by mountainhick |
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5 Replies
333 Views |
July 20, 2026, 12:01:41 pm by sluckey |
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3 Replies
409 Views |
July 18, 2026, 05:43:25 pm by sluckey |
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8 Replies
1478 Views |
July 17, 2026, 09:02:33 pm by sluckey |
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Half Wave Voltage Doubler Rectifier
Started by ALK2MT |
1 Replies
255 Views |
July 17, 2026, 06:06:27 pm by glass54 |
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Orange TH30C output volume drop
Started by alxkol3x |
1 Replies
260 Views |
July 17, 2026, 05:15:49 pm by AlNewman |
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9 Replies
807 Views |
July 13, 2026, 07:40:23 pm by shaun |
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Voltage Multiplier question
Started by hylaphone |
4 Replies
655 Views |
July 12, 2026, 09:45:28 am by hylaphone |
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3 Replies
518 Views |
July 11, 2026, 10:58:23 pm by sluckey |
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5 Replies
771 Views |
July 10, 2026, 10:51:08 am by acheld |
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Univox Cathodyne Gain Stage
Started by astronomicum |
10 Replies
1456 Views |
July 10, 2026, 03:21:41 am by Merlin |
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16 Replies
2691 Views |
July 09, 2026, 02:23:09 pm by Grantorino |
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National Dobro Amplifier 6107A
Started by Diverted |
8 Replies
858 Views |
July 09, 2026, 10:23:21 am by passaloutre |
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Hoffman hot switch gain noise
Started by 3jaw |
8 Replies
1167 Views |
July 06, 2026, 10:05:25 pm by 3jaw |
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Screen-driven pentode in guitar amp?
Started by _Steve |
5 Replies
1686 Views |
July 06, 2026, 07:21:15 am by HotBluePlates |
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Hardest part
Started by Nikriksha |
5 Replies
940 Views |
July 05, 2026, 04:40:03 pm by shooter |
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New Amp Build Using Fisher 500-S Iron
Started by silverfox |
3 Replies
1148 Views |
July 04, 2026, 08:46:49 pm by AlNewman |
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Rich Kuehnel new book "Recipes"
Started by acheld |
4 Replies
1425 Views |
July 01, 2026, 06:34:37 pm by NotSure |
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AOR 100 watt. one side redplating
Started by joesatch |
10 Replies
1921 Views |
July 01, 2026, 02:00:11 pm by elams1894 |
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11 Replies
2060 Views |
June 30, 2026, 04:23:08 pm by sluckey |
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42 Replies
4846 Views |
June 29, 2026, 04:47:28 pm by shooter |
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Looking for amp ideas for a 5e3 chassis
Started by jukelemon |
8 Replies
1577 Views |
June 29, 2026, 03:58:29 pm by jukelemon |
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victoria silver sonic
Started by johnfromcyrene |
0 Replies
1023 Views |
June 28, 2026, 12:55:13 pm by johnfromcyrene |
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Nfb and lack of presence jtm 45
Started by Snake5150 |
6 Replies
1908 Views |
June 27, 2026, 07:03:30 pm by Snake5150 |
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18 Replies
3058 Views |
June 27, 2026, 04:00:41 pm by rafe |
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D'Mars build Stout Chassis?
Started by theundeadelvis |
4 Replies
1588 Views |
June 24, 2026, 07:24:42 pm by theundeadelvis |
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16 Replies
3897 Views |
June 23, 2026, 07:58:04 am by pdf64 |
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Selmer Zodiac Twin 30
Started by johnfromcyrene |
45 Replies
9066 Views |
June 21, 2026, 08:29:05 pm by passaloutre |
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22 Replies
4748 Views |
June 21, 2026, 07:46:05 pm by AlNewman |
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Treble shunts ?
Started by 12AX7 |
3 Replies
2106 Views |
June 20, 2026, 10:54:51 pm by 12AX7 |
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Fender Sidekick Reverb Parts
Started by ALK2MT |
0 Replies
1642 Views |
June 20, 2026, 12:40:32 am by ALK2MT |
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The small details of design
Started by fossilshark |
3 Replies
1997 Views |
June 19, 2026, 03:35:58 pm by Banjan73 |
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11 Replies
10415 Views |
June 19, 2026, 11:24:25 am by choosebronze |
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First amp build
Started by Mongrel714 |
47 Replies
9603 Views |
June 19, 2026, 01:42:39 am by Mongrel714 |
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panoverb
Started by johnfromcyrene |
5 Replies
2945 Views |
June 17, 2026, 02:19:51 pm by johnfromcyrene |
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Tube Preamp SMPS
Started by DummyLoad |
7 Replies
4726 Views |
June 16, 2026, 04:57:55 pm by Jonas |
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1 Replies
1960 Views |
June 16, 2026, 09:42:12 am by passaloutre |
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