Welcome To the Hoffman Amplifiers Forum
April 28, 2026, 04:02:31 pm
Welcome To the Hoffman Amplifiers ForumApril 28, 2026, 04:02:31 pm | ||
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World War II Champ Project
Started by eleventeen |
2 Replies
3949 Views |
July 21, 2010, 02:34:48 amby eleventeen |
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3 Replies
3984 Views |
July 21, 2010, 12:17:15 am by PRR |
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Original 5E3 Info Please!
Started by Platefire |
18 Replies
16958 Views |
July 20, 2010, 11:34:16 pm by Platefire |
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4 Replies
5220 Views |
July 20, 2010, 12:37:44 pm by harryk |
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2 Replies
3953 Views |
July 20, 2010, 12:32:04 pm by eleventeen |
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New Plexi 50 build
Started by bluestone |
10 Replies
6445 Views |
July 20, 2010, 10:02:53 am by simonallaway |
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2 Replies
3831 Views |
July 19, 2010, 09:29:00 pm by Fresh_Start |
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Replicate a vintage transformer
Started by atmars |
5 Replies
4943 Views |
July 18, 2010, 10:58:25 pm by DummyLoad |
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GA-40 RC network - what's the point??
Started by LooseChange |
9 Replies
5961 Views |
July 18, 2010, 10:09:18 pm by PRR |
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Reduce beating in bias vary tremolos
Started by bnwitt |
4 Replies
4652 Views |
July 18, 2010, 05:17:53 pm by bnwitt |
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11 Replies
11633 Views |
July 17, 2010, 10:13:32 pm by tubeswell |
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18 Replies
14340 Views |
July 17, 2010, 06:33:38 pm by jojokeo |
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NASTY PRINCETON
Started by TIMBO |
6 Replies
5406 Views |
July 17, 2010, 05:27:53 pm by TIMBO |
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1/50 NP capacitor question
Started by Bub |
3 Replies
6700 Views |
July 17, 2010, 02:10:00 pm by Tiny_Daddy |
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Oddball Marshall 2046 Specialist
Started by Rev D |
0 Replies
4995 Views |
July 16, 2010, 03:43:12 pm by Rev D |
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Hi - Low Vol switch ?
Started by tubenit |
20 Replies
9642 Views |
July 16, 2010, 10:28:23 am by jjasilli |
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4 Replies
5420 Views |
July 15, 2010, 09:14:03 pm by tubesornothing |
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21 Replies
14361 Views |
July 15, 2010, 08:36:57 pm by LooseChange |
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move relay ft. switch jack
Started by tubenit |
6 Replies
5319 Views |
July 15, 2010, 03:53:13 pm by DummyLoad |
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3 Replies
4573 Views |
July 15, 2010, 07:56:31 am by sluckey |
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Marshall Major phase inverter
Started by navdave |
4 Replies
5473 Views |
July 15, 2010, 04:22:29 am by Ritchie200 |
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6 Replies
5912 Views |
July 15, 2010, 02:20:00 am by Rev D |
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Dual pentode/triode tubes in preamp?
Started by Fresh_Start |
7 Replies
7750 Views |
July 15, 2010, 12:57:24 am by bigdaddy |
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Tremolo troubles ab763 new build
Started by Tone Junkie |
9 Replies
6075 Views |
July 15, 2010, 12:03:56 am by Tone Junkie |
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Killer ant mod
Started by bigdaddy |
3 Replies
7390 Views |
July 14, 2010, 11:13:24 pm by bigdaddy |
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Help with negative bias voltage
Started by J Rindt |
5 Replies
7054 Views |
July 14, 2010, 05:10:50 pm by sluckey |
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What's this filter??
Started by Geezer |
7 Replies
5206 Views |
July 14, 2010, 04:48:16 pm by FYL |
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3 Replies
3975 Views |
July 14, 2010, 07:22:36 am by nateflanigan |
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Replacing PT in Princeton (AA1164)
Started by dude |
3 Replies
4122 Views |
July 13, 2010, 03:48:39 pm by Fresh_Start |
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reverb issues ab763 circuit new build
Started by Tone Junkie |
3 Replies
4036 Views |
July 13, 2010, 02:52:52 pm by sluckey |
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changing PI bias
Started by phsyconoodler |
6 Replies
6045 Views |
July 13, 2010, 12:36:07 pm by phsyconoodler |
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12V heater to raise B+?
Started by birt |
10 Replies
6658 Views |
July 13, 2010, 12:34:54 pm by gar13 |
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JCM800 clone 6550R high freq. squeal
Started by mamps |
4 Replies
4425 Views |
July 13, 2010, 10:33:40 am by mamps |
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12 Replies
8577 Views |
July 13, 2010, 12:10:14 am by Tone Junkie |
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AB763 Deluxe Reverb with 6v6
Started by moonbird |
9 Replies
7290 Views |
July 12, 2010, 07:47:02 pm by sluckey |
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Single channel AB763 design question?
Started by markmalin |
11 Replies
8409 Views |
July 12, 2010, 07:21:11 pm by markmalin |
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Smokin' PT
Started by bluestone |
22 Replies
8760 Views |
July 11, 2010, 07:23:31 pm by bluestone |
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Fixing Noise
Started by rafe |
2 Replies
3677 Views |
July 11, 2010, 01:30:44 am by rafe |
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5 Replies
5073 Views |
July 10, 2010, 07:14:28 pm by kagliostro |
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12 Replies
7489 Views |
July 10, 2010, 11:52:19 am by toomanyslurpees |
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Bogen CHB-35A PA amp
Started by punkykatt |
8 Replies
7233 Views |
July 09, 2010, 06:40:26 pm by dwp |
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2 Replies
6201 Views |
July 09, 2010, 08:46:58 am by kagliostro |
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Need help tracking down a "buzz"
Started by markmalin |
22 Replies
11489 Views |
July 09, 2010, 08:14:25 am by markmalin |
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Mstr vol pot value?
Started by tubenit |
5 Replies
5513 Views |
July 08, 2010, 02:36:24 pm by jojokeo |
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Fender AB763 onboard reverb too trebley
Started by flora |
9 Replies
7351 Views |
July 08, 2010, 10:32:16 am by phsyconoodler |
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2204 or Hot Switch
Started by macula56 |
3 Replies
4229 Views |
July 08, 2010, 09:02:58 am by rzenc |
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3 Replies
5750 Views |
July 08, 2010, 09:00:31 am by macula56 |
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Tonal Difference anyone? Choke types
Started by dwp |
4 Replies
6178 Views |
July 08, 2010, 07:16:35 am by FYL |
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MOVED: My time for building is over....
Started by tubenit |
0 Replies
4098 Views |
July 07, 2010, 07:19:17 pm by tubenit |
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1970's JMP50 PT voltage??
Started by bnwitt |
4 Replies
4641 Views |
July 06, 2010, 04:00:45 pm by bnwitt |
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