Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:16:20 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:16:20 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 63 Guests are viewing this board. | ||||
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5F1M Champ Micro Build
Started by EricR |
4 Replies
2441 Views |
August 11, 2022, 09:04:12 pmby EricR |
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Dual PPIMV? Anyone?
Started by Ledvedder |
2 Replies
1886 Views |
August 11, 2022, 06:18:31 pm by acheld |
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Anyone Recognize These?
Started by imgumby001 |
3 Replies
2150 Views |
August 11, 2022, 09:53:50 am by imgumby001 |
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Blues junior build. No sound
Started by Brandonallen1212 |
13 Replies
2957 Views |
August 10, 2022, 06:31:23 pm by sluckey |
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Univox amp
Started by Mats |
19 Replies
7922 Views |
August 10, 2022, 04:01:08 pm by kagliostro |
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Hiwatt DR201 Choke?
Started by Balticnoiseforge |
18 Replies
5639 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
7035 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
3215 Views |
August 09, 2022, 10:25:05 am by dwinstonwood |
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New 18 Watt Build
Started by zendragon63 |
1 Replies
1860 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
3775 Views |
August 08, 2022, 04:18:53 pm by shooter |
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Runnin LED off heaters.
Started by joesatch |
30 Replies
5736 Views |
August 08, 2022, 01:55:42 pm by shooter |
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5f6 layout help
Started by pizza |
9 Replies
2614 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
2136 Views |
August 06, 2022, 07:36:07 pm by Dyerseve726 |
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63 Replies
17909 Views |
August 05, 2022, 11:53:32 pm by PRR |
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Help Choosing Power Supply Layout
Started by Thisismyname |
5 Replies
2173 Views |
August 05, 2022, 10:06:14 am by acheld |
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13 Replies
4695 Views |
August 05, 2022, 08:54:04 am by JZRepair |
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Preamp signal path switching
Started by dunner84 |
4 Replies
2230 Views |
August 04, 2022, 03:55:22 pm by CascoSieg |
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29 Replies
5506 Views |
August 04, 2022, 03:30:13 pm by shaun |
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5E3 PTs and OTs?
Started by Voxbox |
11 Replies
3262 Views |
August 04, 2022, 03:29:04 pm by Voxbox |
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2 Replies
1948 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
4033 Views |
August 03, 2022, 07:31:27 am by plexi50 |
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Tweed deluxe build
Started by Arry |
6 Replies
3764 Views |
August 02, 2022, 04:12:54 pm by bnwitt |
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Switched Input with relay.
Started by joesatch |
11 Replies
2906 Views |
August 02, 2022, 04:00:35 pm by Williamblake |
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Electrolytic bypass caps
Started by valvetones |
5 Replies
2739 Views |
August 02, 2022, 01:28:10 pm by shooter |
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23 Replies
5251 Views |
August 01, 2022, 07:17:09 pm by winterturtle |
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F&T variants
Started by joesatch |
14 Replies
3511 Views |
August 01, 2022, 04:32:38 pm by uki |
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Harmony H303 Hum and Static
Started by scstill |
18 Replies
4392 Views |
July 31, 2022, 10:43:30 pm by PRR |
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5Y3GT Filter capacitor
Started by dude |
13 Replies
4936 Views |
July 31, 2022, 09:03:35 pm by MrBreeze |
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Univox U1000 repair/modification help
Started by Lucaswaggle |
19 Replies
5497 Views |
July 31, 2022, 02:38:26 pm by PRR |
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Output transformer & choke location
Started by MrBreeze |
4 Replies
2534 Views |
July 31, 2022, 12:07:26 pm by dude |
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EH-150/185 build complete
Started by Jerry garrcia |
1 Replies
2035 Views |
July 29, 2022, 07:36:24 pm by bmccowan |
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37 Replies
6252 Views |
July 29, 2022, 10:18:58 am by Williamblake |
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x
Started by fenderguy81 |
10 Replies
2732 Views |
July 27, 2022, 07:07:29 am by Latole |
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Help with Supro 1960T
Started by Travis8 |
9 Replies
2761 Views |
July 27, 2022, 06:50:37 am by sluckey |
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29 Replies
5821 Views |
July 26, 2022, 08:25:31 pm by Apexelectric |
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6 Replies
2854 Views |
July 25, 2022, 10:44:21 pm by tubeswell |
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7 Replies
3034 Views |
July 25, 2022, 12:48:23 pm by pdf64 |
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Need reverb jack advice
Started by Lectroid |
11 Replies
3550 Views |
July 25, 2022, 11:19:32 am by Lectroid |
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V1 triodes question
Started by joesatch |
8 Replies
2933 Views |
July 24, 2022, 09:47:24 pm by thetragichero |
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PSA preamp tubes
Started by joesatch |
12 Replies
3076 Views |
July 24, 2022, 12:37:52 pm by pullshocks |
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15 Replies
8754 Views |
July 24, 2022, 10:04:42 am by tmknight |
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14 Replies
4130 Views |
July 23, 2022, 10:07:16 am by Platefire |
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6g4 Super Clone (mostly done)
Started by owen |
46 Replies
9933 Views |
July 22, 2022, 12:28:40 pm by owen |
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Simplify or remove tonestack?
Started by joesatch |
7 Replies
2821 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
4981 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
2731 Views |
July 21, 2022, 12:05:48 pm by bbmade |
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Use of relay on input?
Started by joesatch |
8 Replies
3161 Views |
July 21, 2022, 11:40:52 am by sluckey |
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Troubleshooting noisy reverb
Started by winterturtle |
5 Replies
2297 Views |
July 21, 2022, 03:32:03 am by tubeswell |
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preamp layout with triodes
Started by joesatch |
3 Replies
1857 Views |
July 20, 2022, 11:05:03 am by joesatch |
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3 Replies
2285 Views |
July 20, 2022, 05:21:10 am by BlackCrowe604 |
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