Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:29 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:29 am | ||
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13 Replies
4573 Views |
February 03, 2023, 04:21:21 amby dwinstonwood |
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IEC ground
Started by Blooze |
9 Replies
4015 Views |
February 02, 2023, 10:38:41 pm by glass54 |
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Everything was going ok when hiss appears in AB763 build.
Started by SourCream23 « 1 2 » |
77 Replies
18187 Views |
February 02, 2023, 07:43:25 pm by SourCream23 |
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1 Replies
2631 Views |
February 02, 2023, 01:04:36 pm by sluckey |
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Combining outputs from 2 tone stacks
Started by W5FH |
12 Replies
4604 Views |
February 02, 2023, 08:50:38 am by tubeswell |
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9 Replies
4548 Views |
February 01, 2023, 06:40:21 pm by tubenit |
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Input grid stoppers close to V1
Started by warsavius |
6 Replies
3936 Views |
February 01, 2023, 02:10:08 pm by warsavius |
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4 Replies
3339 Views |
February 01, 2023, 11:40:39 am by Hazcat |
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DC heater scematic recommendatoins
Started by Jonas |
11 Replies
3890 Views |
February 01, 2023, 03:26:16 am by tubeswell |
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P2P Tweedle Dee Completed Build
Started by Thisismyname |
15 Replies
5590 Views |
January 31, 2023, 01:34:29 pm by Thisismyname |
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Fromel electronecs amp mod kits
Started by punkykatt |
11 Replies
5572 Views |
January 31, 2023, 10:33:08 am by acheld |
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Blues Jr Reverb Pot inducing noise
Started by Garrett335 |
2 Replies
2748 Views |
January 30, 2023, 07:11:05 pm by Garrett335 |
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JCM800 standalone preamp
Started by fossilshark |
17 Replies
6389 Views |
January 30, 2023, 06:57:43 pm by T Wilcox |
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headphone and line out for tube amp
Started by Bieworm |
1 Replies
2606 Views |
January 30, 2023, 09:00:57 am by kagliostro |
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Mounting a Deluxe Reverb power supply
Started by Petedub |
9 Replies
4262 Views |
January 30, 2023, 04:15:02 am by Petedub |
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Peavey Rock Master preamp build
Started by fossilshark |
9 Replies
4843 Views |
January 29, 2023, 06:55:58 pm by fossilshark |
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Marshall DSL40
Started by Rockranger |
31 Replies
9486 Views |
January 29, 2023, 06:21:18 pm by Rockranger |
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Peav c30 amp
Started by AchiLLeS |
7 Replies
3384 Views |
January 29, 2023, 12:03:26 pm by Lectroid |
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Power transformer to choke Doable
Started by TIMBO |
2 Replies
2688 Views |
January 28, 2023, 06:00:13 pm by TIMBO |
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One tube oscillator
Started by Leevi |
11 Replies
4570 Views |
January 28, 2023, 12:25:10 pm by astronomicum |
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40 Replies
20726 Views |
January 27, 2023, 09:41:11 pm by DummyLoad |
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Volume pot pre V1
Started by shaun |
15 Replies
5623 Views |
January 27, 2023, 07:15:01 pm by shaun |
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Bassman Micro startup issues
Started by EricR |
23 Replies
6705 Views |
January 26, 2023, 08:42:10 pm by EricR |
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Gauge of wire in Presence
Started by dude |
10 Replies
5066 Views |
January 26, 2023, 01:52:35 pm by shooter |
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BADCAT CUB II REVERB - NEED SCHEMATIC
Started by Jonas |
5 Replies
4479 Views |
January 26, 2023, 08:42:49 am by Latole |
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Fender 6G9-B treble cap
Started by Esquirefreak |
2 Replies
2809 Views |
January 25, 2023, 06:27:58 pm by PRR |
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3 Replies
2625 Views |
January 25, 2023, 03:25:29 pm by fdesalvo |
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Running dual coupling caps off of V1a ?
Started by joesatch |
11 Replies
4604 Views |
January 25, 2023, 11:46:53 am by joesatch |
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Blackface Vibrochamp tremolo
Started by isaac_teller |
4 Replies
2826 Views |
January 25, 2023, 07:50:57 am by isaac_teller |
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4 Replies
3142 Views |
January 24, 2023, 08:14:11 pm by HotBluePlates |
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High Plate voltage
Started by Rich_C |
38 Replies
11340 Views |
January 24, 2023, 07:52:02 pm by HotBluePlates |
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Bass Amp Build Circuit-Clone Suggestions
Started by W5FH |
9 Replies
4689 Views |
January 24, 2023, 09:33:30 am by tubeswell |
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23 Replies
6683 Views |
January 23, 2023, 09:52:30 pm by PRR |
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Just finished building and testing
Started by W5FH |
5 Replies
3672 Views |
January 23, 2023, 09:43:07 pm by W5FH |
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1965 Princeton AA964 Bias Problem
Started by plexi50 |
9 Replies
4148 Views |
January 23, 2023, 04:10:28 am by Latole |
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15 Replies
5294 Views |
January 22, 2023, 11:09:10 am by tubeswell |
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Speaker issue with tube amp
Started by Erik Aa |
4 Replies
2926 Views |
January 21, 2023, 12:01:32 pm by mresistor |
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Fixed Bias Question
Started by Jennings |
5 Replies
3268 Views |
January 20, 2023, 11:12:35 am by Jennings |
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14 Replies
6098 Views |
January 20, 2023, 09:09:10 am by jordan86 |
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Sizzle in Blues Junior at idle
Started by dude |
16 Replies
4989 Views |
January 19, 2023, 01:59:58 pm by acheld |
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LND150 buffered loop options
Started by craig.kimble |
3 Replies
3758 Views |
January 19, 2023, 09:23:45 am by kagliostro |
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Judge my latest build
Started by Dyerseve726 |
34 Replies
9582 Views |
January 19, 2023, 08:25:19 am by Dyerseve726 |
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Modding jcm800
Started by fossilshark |
10 Replies
4006 Views |
January 19, 2023, 08:02:25 am by Williamblake |
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20 Replies
5872 Views |
January 18, 2023, 05:33:27 pm by bmccowan |
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Surfing the Glass
Started by Lectroid |
16 Replies
5253 Views |
January 18, 2023, 11:46:53 am by Lectroid |
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Ampeg V4 Bias Issues
Started by AHeck |
41 Replies
9307 Views |
January 17, 2023, 11:27:59 am by shooter |
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9 Replies
5171 Views |
January 17, 2023, 10:16:55 am by Lectroid |
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Super Reverb - Bias Filtering
Started by 410_Fanatic |
9 Replies
5228 Views |
January 16, 2023, 08:35:47 pm by 410_Fanatic |
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The Benson Model 300H
Started by Platefire |
4 Replies
3222 Views |
January 16, 2023, 05:22:34 pm by tdvt |
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Sluckey "Tremonator" Voltage Question
Started by W5FH |
3 Replies
2826 Views |
January 15, 2023, 03:16:18 pm by sluckey |
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