Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 03:24:42 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 03:24:42 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 66 Guests are viewing this board. | ||||
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SE Power & OT Z calcs
Started by dennyg |
11 Replies
6217 Views |
September 24, 2017, 02:56:33 pmby tubeswell |
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5E3 grounding
Started by JB |
6 Replies
5832 Views |
September 24, 2017, 02:44:26 pm by bnwitt |
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Current limiter
Started by NotSure |
9 Replies
4991 Views |
September 24, 2017, 02:01:00 pm by NotSure |
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Blues Jr. Reverb Problem
Started by dpm309 |
5 Replies
4807 Views |
September 24, 2017, 01:31:00 pm by dpm309 |
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29 Replies
10258 Views |
September 24, 2017, 12:56:32 pm by tedsorvino1 |
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5 Replies
5437 Views |
September 24, 2017, 12:46:17 pm by 2deaf |
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2 Replies
3909 Views |
September 24, 2017, 06:41:12 am by tubenit |
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screen grid resistor choice for KT88's
Started by Curranm |
6 Replies
9937 Views |
September 21, 2017, 10:15:21 pm by tubeswell |
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New Build With a Problem
Started by JKRamsey1991 |
13 Replies
7139 Views |
September 21, 2017, 07:34:04 pm by JKRamsey1991 |
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3 Replies
4637 Views |
September 21, 2017, 01:29:55 pm by sluckey |
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53 Replies
27519 Views |
September 21, 2017, 11:52:51 am by PRR |
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Hoffman blues jr modified HELP ME!!
Started by ClippIn4tae |
30 Replies
9068 Views |
September 21, 2017, 09:05:11 am by ClippIn4tae |
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using the relay for my two channel build
Started by Curranm |
15 Replies
6514 Views |
September 21, 2017, 09:00:06 am by Curranm |
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1 Replies
4281 Views |
September 20, 2017, 07:09:05 pm by sluckey |
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Lead boost idea(s)?
Started by dennyg |
10 Replies
6827 Views |
September 20, 2017, 03:27:42 pm by 2deaf |
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25 Replies
11643 Views |
September 20, 2017, 10:28:49 am by jjasilli |
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7 Replies
6611 Views |
September 19, 2017, 08:01:14 pm by TubeGeek |
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1 Replies
4394 Views |
September 19, 2017, 03:10:33 pm by SILVERGUN |
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New Fender Amp
Started by Ed_Chambley |
16 Replies
9385 Views |
September 19, 2017, 10:58:42 am by Ed_Chambley |
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Failed bias circuit
Started by jim |
20 Replies
9576 Views |
September 19, 2017, 07:41:03 am by labb |
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G8 Gibsonette
Started by tubedue1 |
3 Replies
4299 Views |
September 18, 2017, 06:14:25 pm by PRR |
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JSchem fixed for Mac
Started by sluckey |
0 Replies
3712 Views |
September 18, 2017, 01:52:43 pm by sluckey |
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1watt early stages
Started by shooter |
7 Replies
5172 Views |
September 18, 2017, 09:00:15 am by shooter |
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Stout TMB with 6v6 Question
Started by Bwmitc9285 |
24 Replies
10701 Views |
September 17, 2017, 06:25:12 pm by shooter |
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Blackheart 5 Watt Conversion to Hoffman Stout
Started by purpletele « 1 2 » |
61 Replies
23353 Views |
September 17, 2017, 10:40:48 am by purpletele |
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Hoffman Princeton reverb build loud hum
Started by Paulycoo |
8 Replies
5734 Views |
September 16, 2017, 09:39:41 pm by purpletele |
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EL84 SE BIAS
Started by TIMBO |
13 Replies
10193 Views |
September 15, 2017, 09:08:22 pm by super&plexi |
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Mesa Rectifier Recap?
Started by BetterOffShred |
3 Replies
6518 Views |
September 14, 2017, 04:27:12 pm by BetterOffShred |
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6 Replies
6252 Views |
September 13, 2017, 11:03:56 pm by PRR |
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Isolation transformer suggestions & info
Started by alange5 |
7 Replies
6515 Views |
September 13, 2017, 04:22:07 pm by PRR |
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Need help with Princeton Reverb 6L6 Build
Started by waldner |
9 Replies
7007 Views |
September 13, 2017, 02:27:27 pm by mresistor |
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Do I need to match my power tubes?
Started by evancorylevine |
4 Replies
4187 Views |
September 13, 2017, 02:02:59 pm by 92Volts |
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Negative Feedback Adjustment?
Started by hesamadman |
11 Replies
7149 Views |
September 13, 2017, 01:40:29 pm by mwelch55 |
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anyone built a 6G6-B
Started by Tone Junkie |
7 Replies
5894 Views |
September 13, 2017, 05:03:51 am by Ed_Chambley |
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AA864 Bassman
Started by labb |
5 Replies
5189 Views |
September 13, 2017, 03:55:06 am by Ed_Chambley |
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Power tube arcing
Started by ChubeRules |
6 Replies
6840 Views |
September 12, 2017, 08:28:47 am by shooter |
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Channel switching
Started by warioblast |
4 Replies
4677 Views |
September 12, 2017, 08:25:54 am by sluckey |
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FX Loop issue
Started by hesamadman |
4 Replies
5082 Views |
September 12, 2017, 08:07:06 am by hesamadman |
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Cigar Box Guitar Amp
Started by TIMBO |
11 Replies
8146 Views |
September 12, 2017, 06:15:33 am by John |
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100 Watt Plexi Bias Circuit
Started by Hellawatt |
2 Replies
5958 Views |
September 11, 2017, 11:42:39 pm by 2deaf |
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Cold solder joints on buss wire
Started by warioblast |
21 Replies
9281 Views |
September 11, 2017, 10:41:02 pm by bnwitt |
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Eyelet Press
Started by cusebassman |
12 Replies
6844 Views |
September 11, 2017, 06:11:10 pm by pompeiisneaks |
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Input Options for parallel first stage
Started by turtle441 |
9 Replies
6214 Views |
September 11, 2017, 04:35:01 pm by sluckey |
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Wiring 6cm6 tube socket!
Started by Smalls |
5 Replies
4942 Views |
September 11, 2017, 06:32:18 am by sluckey |
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8 Replies
4180 Views |
September 11, 2017, 06:11:09 am by hesamadman |
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Fender-Marshall together with reverb
Started by adamG |
30 Replies
15137 Views |
September 11, 2017, 02:01:21 am by adamG |
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DIY EL34 amp and "jerky" notes decay
Started by gitarzysta |
14 Replies
7956 Views |
September 10, 2017, 11:07:27 am by PRR |
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Bias Resistor Value OK?
Started by Apexelectric |
11 Replies
6863 Views |
September 09, 2017, 01:19:24 pm by tubenit |
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the future?
Started by shooter |
12 Replies
5739 Views |
September 08, 2017, 09:52:02 pm by shooter |
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18 Replies
8596 Views |
September 08, 2017, 04:40:39 pm by SoundmasterG |
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