Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:35:56 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:35:56 am | ||
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Anyone Recognize These?
Started by imgumby001 |
3 Replies
3897 Views |
August 11, 2022, 09:53:50 amby imgumby001 |
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Blues junior build. No sound
Started by Brandonallen1212 |
13 Replies
5302 Views |
August 10, 2022, 06:31:23 pm by sluckey |
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Univox amp
Started by Mats |
19 Replies
11222 Views |
August 10, 2022, 04:01:08 pm by kagliostro |
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Hiwatt DR201 Choke?
Started by Balticnoiseforge |
18 Replies
9084 Views |
August 10, 2022, 09:42:54 am by JZRepair |
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1 channel Tremolux in PR Chassis questions
Started by owen |
35 Replies
12721 Views |
August 09, 2022, 10:53:20 pm by owen |
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Usage of 1760E or 1760H with EL84 pair
Started by Leevi |
12 Replies
4986 Views |
August 09, 2022, 10:25:05 am by dwinstonwood |
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New 18 Watt Build
Started by zendragon63 |
1 Replies
3380 Views |
August 09, 2022, 05:10:03 am by tubenit |
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135w UL Twin Reverb bias math
Started by winterturtle |
13 Replies
6805 Views |
August 08, 2022, 04:18:53 pm by shooter |
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Runnin LED off heaters.
Started by joesatch |
30 Replies
10022 Views |
August 08, 2022, 01:55:42 pm by shooter |
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5f6 layout help
Started by pizza |
9 Replies
4550 Views |
August 07, 2022, 12:03:45 pm by tubeswell |
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My BF PR can REALLY do metal
Started by Dyerseve726 |
2 Replies
3984 Views |
August 06, 2022, 07:36:07 pm by Dyerseve726 |
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63 Replies
25464 Views |
August 05, 2022, 11:53:32 pm by PRR |
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Help Choosing Power Supply Layout
Started by Thisismyname |
5 Replies
3925 Views |
August 05, 2022, 10:06:14 am by acheld |
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13 Replies
8103 Views |
August 05, 2022, 08:54:04 am by JZRepair |
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Preamp signal path switching
Started by dunner84 |
4 Replies
4086 Views |
August 04, 2022, 03:55:22 pm by CascoSieg |
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29 Replies
9760 Views |
August 04, 2022, 03:30:13 pm by shaun |
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5E3 PTs and OTs?
Started by Voxbox |
11 Replies
5620 Views |
August 04, 2022, 03:29:04 pm by Voxbox |
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2 Replies
3481 Views |
August 04, 2022, 05:48:44 am by Bieworm |
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1974 Model A Sunn Speaker Choices?
Started by plexi50 |
11 Replies
6501 Views |
August 03, 2022, 07:31:27 am by plexi50 |
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Tweed deluxe build
Started by Arry |
6 Replies
6635 Views |
August 02, 2022, 04:12:54 pm by bnwitt |
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Switched Input with relay.
Started by joesatch |
11 Replies
5220 Views |
August 02, 2022, 04:00:35 pm by Williamblake |
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Electrolytic bypass caps
Started by valvetones |
5 Replies
5185 Views |
August 02, 2022, 01:28:10 pm by shooter |
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23 Replies
9298 Views |
August 01, 2022, 07:17:09 pm by winterturtle |
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F&T variants
Started by joesatch |
14 Replies
5989 Views |
August 01, 2022, 04:32:38 pm by uki |
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Harmony H303 Hum and Static
Started by scstill |
18 Replies
7187 Views |
July 31, 2022, 10:43:30 pm by PRR |
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5Y3GT Filter capacitor
Started by dude |
13 Replies
8107 Views |
July 31, 2022, 09:03:35 pm by MrBreeze |
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Univox U1000 repair/modification help
Started by Lucaswaggle |
19 Replies
9390 Views |
July 31, 2022, 02:38:26 pm by PRR |
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Output transformer & choke location
Started by MrBreeze |
4 Replies
4343 Views |
July 31, 2022, 12:07:26 pm by dude |
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37 Replies
11508 Views |
July 29, 2022, 10:18:58 am by Williamblake |
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x
Started by fenderguy81 |
10 Replies
4583 Views |
July 27, 2022, 07:07:29 am by Latole |
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Help with Supro 1960T
Started by Travis8 |
9 Replies
4924 Views |
July 27, 2022, 06:50:37 am by sluckey |
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29 Replies
9891 Views |
July 26, 2022, 08:25:31 pm by Apexelectric |
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6 Replies
5167 Views |
July 25, 2022, 10:44:21 pm by tubeswell |
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7 Replies
4785 Views |
July 25, 2022, 12:48:23 pm by pdf64 |
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Need reverb jack advice
Started by Lectroid |
11 Replies
6107 Views |
July 25, 2022, 11:19:32 am by Lectroid |
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V1 triodes question
Started by joesatch |
8 Replies
5138 Views |
July 24, 2022, 09:47:24 pm by thetragichero |
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PSA preamp tubes
Started by joesatch |
12 Replies
5223 Views |
July 24, 2022, 12:37:52 pm by pullshocks |
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15 Replies
11632 Views |
July 24, 2022, 10:04:42 am by tmknight |
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14 Replies
6592 Views |
July 23, 2022, 10:07:16 am by Platefire |
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6g4 Super Clone (mostly done)
Started by owen |
46 Replies
16068 Views |
July 22, 2022, 12:28:40 pm by owen |
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Simplify or remove tonestack?
Started by joesatch |
7 Replies
4870 Views |
July 22, 2022, 09:26:41 am by jordan86 |
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Lamington Reverb… a little more volume?
Started by chris s |
16 Replies
8175 Views |
July 21, 2022, 09:04:55 pm by chris s |
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HRD Preamp Plate Voltages - SOLVED
Started by bbmade |
7 Replies
4759 Views |
July 21, 2022, 12:05:48 pm by bbmade |
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Use of relay on input?
Started by joesatch |
8 Replies
5148 Views |
July 21, 2022, 11:40:52 am by sluckey |
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Troubleshooting noisy reverb
Started by winterturtle |
5 Replies
4176 Views |
July 21, 2022, 03:32:03 am by tubeswell |
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preamp layout with triodes
Started by joesatch |
3 Replies
3339 Views |
July 20, 2022, 11:05:03 am by joesatch |
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3 Replies
3933 Views |
July 20, 2022, 05:21:10 am by BlackCrowe604 |
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Crate Stealth 50 power issue
Started by navdave |
6 Replies
4827 Views |
July 20, 2022, 12:28:31 am by navdave |
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Rob Robinette's bias calculator
Started by dude |
14 Replies
8334 Views |
July 19, 2022, 09:03:35 pm by PRR |
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Negative Feedback Causing Oscillation?
Started by AHeck |
19 Replies
9864 Views |
July 18, 2022, 07:16:19 am by AHeck |
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