Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 12:39:52 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 12:39:52 pm | ||
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Output transformer values
Started by Skip Hagey |
2 Replies
2231 Views |
July 10, 2015, 06:15:16 pmby PRR |
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4 Replies
3389 Views |
July 10, 2015, 02:52:54 pm by vibrolax |
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5e3 build. No voltage pins 4
Started by MF76 |
34 Replies
8215 Views |
July 10, 2015, 10:46:54 am by Ed_Chambley |
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87 Replies
18692 Views |
July 10, 2015, 08:08:21 am by pbman1953 |
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14 Replies
3983 Views |
July 09, 2015, 03:20:32 pm by phsyconoodler |
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6G12-A "frying" sound
Started by Mars-Hall |
11 Replies
3733 Views |
July 09, 2015, 10:59:56 am by jojokeo |
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Artificial center tap for heaters.
Started by pinkphiloyd |
17 Replies
9196 Views |
July 09, 2015, 09:34:10 am by pinkphiloyd |
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21 Replies
8551 Views |
July 08, 2015, 12:43:25 pm by kagliostro |
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Tremolo cap question
Started by BobRuth |
3 Replies
2805 Views |
July 07, 2015, 09:41:52 pm by BobRuth |
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What the heck did I do?
Started by hesamadman |
0 Replies
1906 Views |
July 07, 2015, 07:10:23 pm by hesamadman |
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Hoffman 1 Channel Deluxe Reverb
Started by dunner84 |
10 Replies
5555 Views |
July 06, 2015, 10:57:37 pm by JGk |
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6G6 Power Tubes, no bias current
Started by RAJPE |
11 Replies
6647 Views |
July 06, 2015, 09:23:42 pm by sluckey |
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Anyone built a Single Ended EL34 Hot Cat?
Started by Shawnee |
15 Replies
4805 Views |
July 06, 2015, 08:17:34 pm by John |
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5E3 with different PI
Started by Leevi |
6 Replies
4828 Views |
July 06, 2015, 03:17:31 pm by PRR |
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Transformation
Started by Toxophilite |
2 Replies
2073 Views |
July 05, 2015, 08:31:29 pm by PRR |
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3-2x12 wiring help
Started by goldstache |
5 Replies
2606 Views |
July 05, 2015, 07:49:43 am by goldstache |
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vibrolux issues
Started by Bugman3183 |
43 Replies
8630 Views |
July 05, 2015, 06:49:32 am by Bugman3183 |
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Need help identify Twin
Started by crashtm1 |
9 Replies
2712 Views |
July 04, 2015, 04:15:41 pm by DummyLoad |
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31 Replies
6735 Views |
July 04, 2015, 08:50:50 am by sluckey |
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Revibe issue?
Started by lego4040 |
12 Replies
3378 Views |
July 04, 2015, 07:36:14 am by lego4040 |
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Bogen MX-60 Vintage P.A. Amp
Started by Guitarzan |
16 Replies
5937 Views |
July 03, 2015, 09:51:59 pm by Willabe |
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6v6 Plexi Build Problem
Started by GS1100 |
1 Replies
1925 Views |
July 03, 2015, 05:21:42 pm by shooter |
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Deluxe 6G3 Voltages a bit low.
Started by BruceJ |
10 Replies
4302 Views |
July 03, 2015, 06:22:44 am by BruceJ |
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65 Replies
17636 Views |
July 03, 2015, 03:08:17 am by DummyLoad |
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20 Replies
6557 Views |
July 02, 2015, 10:22:27 pm by Ritchie200 |
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using 6l6 in a 5E3 build
Started by Shack |
15 Replies
7007 Views |
July 02, 2015, 09:37:03 pm by robrob |
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AC30 master volume addition - thoughts?
Started by markmalin |
2 Replies
2533 Views |
July 01, 2015, 10:14:50 am by markmalin |
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73 Replies
21612 Views |
June 30, 2015, 03:10:18 am by adamG |
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Gibson Ga-9
Started by Shack |
2 Replies
2184 Views |
June 29, 2015, 08:05:50 pm by Shack |
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Hoffman 5f2a w/ 6L6GC biasing update
Started by Crispy |
3 Replies
2466 Views |
June 28, 2015, 10:17:43 pm by Crispy |
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AC30 build help - a few questions
Started by markmalin |
2 Replies
2244 Views |
June 27, 2015, 08:56:20 pm by markmalin |
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Carvin Belair Repair/Tweak
Started by AZJimC |
7 Replies
4340 Views |
June 26, 2015, 11:14:24 pm by Willabe |
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You guys want a parts discount?
Started by EL34 |
2 Replies
2214 Views |
June 26, 2015, 08:06:32 pm by John |
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34 Replies
8733 Views |
June 26, 2015, 10:29:28 am by ThomasE |
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replace amp input jack with switch
Started by waldner |
7 Replies
2804 Views |
June 26, 2015, 07:20:10 am by sluckey |
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2-channels "Renegate"
Started by adamG |
0 Replies
1848 Views |
June 26, 2015, 05:38:36 am by adamG |
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Clean to FX to OD pedal to OD
Started by tubenit |
1 Replies
1897 Views |
June 24, 2015, 07:49:11 pm by tubeswell |
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Hoffman 5F2A chassis for 2 Stroke Combo??
Started by NotSure |
2 Replies
2026 Views |
June 24, 2015, 07:03:48 pm by lego4040 |
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14 Replies
4406 Views |
June 23, 2015, 11:44:00 am by SILVERGUN |
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Problem with a rectifier tube I think!
Started by coreysan |
7 Replies
3090 Views |
June 22, 2015, 06:59:06 pm by eleventeen |
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34 Replies
8092 Views |
June 22, 2015, 07:34:41 am by robrob |
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Volume pot - dead spot - weird
Started by Watto |
3 Replies
2361 Views |
June 21, 2015, 11:53:57 pm by Willabe |
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branchement pt Blues junior
Started by philippe78 |
10 Replies
3449 Views |
June 21, 2015, 11:34:36 pm by 2deaf |
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30 watt from scratch (guidance please)
Started by hesamadman |
33 Replies
7639 Views |
June 21, 2015, 11:25:27 am by DummyLoad |
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How Tube Amps Work Webpage
Started by robrob |
4 Replies
2805 Views |
June 20, 2015, 11:34:33 pm by Fresh_Start |
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Presence control not working
Started by dude |
12 Replies
8081 Views |
June 20, 2015, 03:32:49 pm by dude |
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6 Replies
2713 Views |
June 19, 2015, 09:25:44 pm by PRR |
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OT secondary question
Started by dude |
3 Replies
2051 Views |
June 19, 2015, 12:30:52 pm by dude |
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Grounding Scheme Questions
Started by Willabe |
17 Replies
7141 Views |
June 19, 2015, 10:31:21 am by Willabe |
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17 Replies
4924 Views |
June 19, 2015, 09:35:00 am by shooter |
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