Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:10 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:10 am | ||
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| 0 Members and 38 Guests are viewing this board. | ||||
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Acrosound Ultra Linear II
Started by Peter212 |
19 Replies
6688 Views |
October 14, 2022, 12:30:18 pmby Peter212 |
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9 Replies
3809 Views |
October 14, 2022, 08:56:23 am by Jennings |
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First amp build SW50R clone
Started by lamp |
7 Replies
3546 Views |
October 14, 2022, 05:23:01 am by lamp |
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11 Replies
4606 Views |
October 13, 2022, 05:50:12 pm by PRR |
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10 Replies
4615 Views |
October 12, 2022, 04:05:15 pm by DummyLoad |
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10 Replies
4032 Views |
October 12, 2022, 12:39:41 pm by spunko |
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Preamp filtering stage
Started by joesatch |
4 Replies
2761 Views |
October 11, 2022, 05:19:30 pm by shooter |
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‘81 JCM 800 build help
Started by etneccas |
14 Replies
4656 Views |
October 10, 2022, 05:53:33 pm by JPK |
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A250k solid shaft push/pull pot
Started by Esquirefreak |
3 Replies
2469 Views |
October 10, 2022, 04:57:23 pm by Esquirefreak |
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16 Replies
6116 Views |
October 10, 2022, 11:15:59 am by jordane |
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25 Replies
7094 Views |
October 10, 2022, 09:50:58 am by Eric-NC |
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EL84 Arcing Failure
Started by scstill |
10 Replies
5581 Views |
October 08, 2022, 11:40:10 pm by scstill |
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Refurbishing a Peavey Artist 240
Started by olliu |
6 Replies
4801 Views |
October 08, 2022, 03:37:59 pm by shooter |
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Input resistance measurements
Started by Mr.Death |
12 Replies
4508 Views |
October 08, 2022, 03:23:21 pm by pdf64 |
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22 Replies
6692 Views |
October 07, 2022, 11:19:50 pm by Willabe |
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Reverb drivers transformers
Started by Bieworm |
1 Replies
2566 Views |
October 07, 2022, 07:13:21 pm by thetragichero |
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28 Replies
6261 Views |
October 07, 2022, 04:07:25 pm by Williamblake |
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Which preamps?
Started by maltikeks |
12 Replies
4377 Views |
October 07, 2022, 04:00:36 pm by Williamblake |
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Where Does the Signal Go?
Started by clyde |
6 Replies
2960 Views |
October 06, 2022, 04:21:34 pm by pdf64 |
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12AT7 Single ended
Started by walkman |
7 Replies
3835 Views |
October 06, 2022, 11:58:48 am by PRR |
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Bias Voltage Issue
Started by imgumby001 |
10 Replies
3980 Views |
October 05, 2022, 12:55:44 pm by imgumby001 |
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5w amp scheme with reverb?
Started by rafaelctt |
45 Replies
11411 Views |
October 05, 2022, 11:57:32 am by rafaelctt |
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15 Replies
5618 Views |
October 05, 2022, 10:52:19 am by sluckey |
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5E3 with Pre and PI series heater wiring
Started by scstill |
1 Replies
2643 Views |
October 04, 2022, 06:11:05 pm by pdf64 |
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Tube Guitar Preamp with a Chip Amp
Started by dbishopbliss |
7 Replies
4756 Views |
October 04, 2022, 03:50:24 pm by dbishopbliss |
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Master volume on Musicmaster amp
Started by isaac_teller |
9 Replies
4360 Views |
October 03, 2022, 12:01:07 pm by PRR |
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My Vox Ac15 playing
Started by rafaelctt |
32 Replies
7252 Views |
October 03, 2022, 11:36:46 am by rafaelctt |
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19 Replies
7222 Views |
October 03, 2022, 09:44:16 am by jacobarber |
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6G16 Build
Started by p2pAmps |
3 Replies
2528 Views |
October 02, 2022, 07:02:09 pm by bmccowan |
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2 Replies
2516 Views |
October 02, 2022, 05:11:00 am by kagliostro |
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Gibson GA-8
Started by Leevi |
9 Replies
6203 Views |
October 01, 2022, 10:28:24 pm by Leevi |
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How to make my amp safe (shock)
Started by 12AX7 |
16 Replies
5673 Views |
October 01, 2022, 08:36:05 pm by PRR |
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Harmonic tremolo noise issue
Started by Esquirefreak |
7 Replies
3405 Views |
October 01, 2022, 12:38:59 pm by Esquirefreak |
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Cliff style jack on new amp build
Started by JPK |
10 Replies
5274 Views |
September 30, 2022, 11:25:36 am by JPK |
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12 Replies
7518 Views |
September 30, 2022, 12:54:41 am by Tone Junkie |
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120hz hum only in phase inverter
Started by thetragichero |
37 Replies
8743 Views |
September 29, 2022, 03:58:36 pm by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
4653 Views |
September 29, 2022, 03:19:42 pm by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
4918 Views |
September 29, 2022, 02:25:57 pm by JZRepair |
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G3 to ground
Started by knebiter |
3 Replies
2489 Views |
September 28, 2022, 11:52:45 pm by PRR |
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DR One-channel - No Reverb
Started by Lectroid |
15 Replies
4704 Views |
September 28, 2022, 12:57:52 pm by Lectroid |
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type of potentiometers
Started by rafaelctt |
4 Replies
3600 Views |
September 28, 2022, 10:04:26 am by rafaelctt |
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4 Replies
3969 Views |
September 27, 2022, 09:50:53 pm by PRR |
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Coupling capacitors for V1 V2.
Started by Mr.Death |
11 Replies
5215 Views |
September 27, 2022, 01:37:52 pm by Mr.Death |
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14 Replies
4152 Views |
September 26, 2022, 10:40:11 pm by PRR |
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Ward Airline GIM 9171A
Started by BruceWA |
4 Replies
3193 Views |
September 26, 2022, 02:05:45 pm by BruceWA |
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Rickenbacker M12 Schematic
Started by dpm309 |
4 Replies
3207 Views |
September 24, 2022, 10:30:59 pm by dpm309 |
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10 Replies
5371 Views |
September 24, 2022, 03:11:05 pm by 12AX7 |
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5e3 Hoffman Layout build issue
Started by Rafiote |
7 Replies
3272 Views |
September 24, 2022, 01:03:29 pm by Rafiote |
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2 Replies
3090 Views |
September 24, 2022, 04:48:29 am by kagliostro |
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28 Replies
6939 Views |
September 23, 2022, 12:53:22 pm by shooter |
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