Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 07:19:43 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 07:19:43 am | ||
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1 Replies
2704 Views |
September 29, 2017, 07:58:39 pmby sluckey |
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CJ 11 layout
Started by Auke Jolman |
15 Replies
8111 Views |
September 29, 2017, 09:04:23 am by Glenn |
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Bad tubes?
Started by uki |
2 Replies
2553 Views |
September 28, 2017, 05:58:54 pm by uki |
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Metal film (blue) vs. film (tan) resistors
Started by dude |
24 Replies
10457 Views |
September 28, 2017, 05:35:43 pm by HotBluePlates |
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6V6 Plexi build
Started by Tone Junkie |
22 Replies
6612 Views |
September 28, 2017, 11:34:05 am by dude |
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JVM410 - Voltage on nodes ?
Started by kagliostro |
2 Replies
2786 Views |
September 28, 2017, 07:28:23 am by kagliostro |
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Help identifying this flavour of hum
Started by TequilaKez |
9 Replies
4141 Views |
September 28, 2017, 03:55:00 am by Leevi |
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Rectifier safety diodes question
Started by mresistor |
5 Replies
3802 Views |
September 27, 2017, 06:01:23 pm by mresistor |
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29 Replies
9185 Views |
September 27, 2017, 04:17:41 pm by sluckey |
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bogen cha-20 hack
Started by DummyLoad |
29 Replies
10127 Views |
September 27, 2017, 03:03:48 pm by gjesse |
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Second channel of AB763 behaving oddly
Started by evancorylevine « 1 2 » |
78 Replies
18824 Views |
September 27, 2017, 07:12:17 am by evancorylevine |
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How to use a current limiter
Started by bnwitt |
3 Replies
6363 Views |
September 26, 2017, 02:16:56 pm by SoundmasterG |
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7 Replies
3522 Views |
September 26, 2017, 01:03:27 pm by shooter |
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Low power of 5D3
Started by Leevi |
20 Replies
7940 Views |
September 26, 2017, 05:54:10 am by Leevi |
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1 Replies
2920 Views |
September 25, 2017, 06:32:00 pm by shooter |
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power tube orientation
Started by dennyg |
2 Replies
2868 Views |
September 25, 2017, 02:55:47 pm by dennyg |
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Princeton Chorus DSL Conversion
Started by 2deaf |
8 Replies
4851 Views |
September 25, 2017, 02:38:17 pm by SILVERGUN |
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5 Replies
8479 Views |
September 25, 2017, 02:42:08 am by burger |
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67 Replies
23194 Views |
September 24, 2017, 07:50:52 pm by pompeiisneaks |
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schematic translation/interpretation
Started by davidwpack |
2 Replies
2714 Views |
September 24, 2017, 04:11:33 pm by davidwpack |
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SE Power & OT Z calcs
Started by dennyg |
11 Replies
4454 Views |
September 24, 2017, 02:56:33 pm by tubeswell |
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5E3 grounding
Started by JB |
6 Replies
4238 Views |
September 24, 2017, 02:44:26 pm by bnwitt |
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Current limiter
Started by NotSure |
9 Replies
3550 Views |
September 24, 2017, 02:01:00 pm by NotSure |
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Blues Jr. Reverb Problem
Started by dpm309 |
5 Replies
3343 Views |
September 24, 2017, 01:31:00 pm by dpm309 |
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29 Replies
8211 Views |
September 24, 2017, 12:56:32 pm by tedsorvino1 |
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5 Replies
3797 Views |
September 24, 2017, 12:46:17 pm by 2deaf |
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2 Replies
2534 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
8180 Views |
September 21, 2017, 10:15:21 pm by tubeswell |
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New Build With a Problem
Started by JKRamsey1991 |
13 Replies
4939 Views |
September 21, 2017, 07:34:04 pm by JKRamsey1991 |
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3 Replies
3264 Views |
September 21, 2017, 01:29:55 pm by sluckey |
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53 Replies
22593 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
7196 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
4798 Views |
September 21, 2017, 09:00:06 am by Curranm |
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1 Replies
2827 Views |
September 20, 2017, 07:09:05 pm by sluckey |
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Lead boost idea(s)?
Started by dennyg |
10 Replies
4929 Views |
September 20, 2017, 03:27:42 pm by 2deaf |
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25 Replies
9538 Views |
September 20, 2017, 10:28:49 am by jjasilli |
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7 Replies
4744 Views |
September 19, 2017, 08:01:14 pm by TubeGeek |
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1 Replies
2904 Views |
September 19, 2017, 03:10:33 pm by SILVERGUN |
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New Fender Amp
Started by Ed_Chambley |
16 Replies
7163 Views |
September 19, 2017, 10:58:42 am by Ed_Chambley |
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Failed bias circuit
Started by jim |
20 Replies
7515 Views |
September 19, 2017, 07:41:03 am by labb |
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G8 Gibsonette
Started by tubedue1 |
3 Replies
2902 Views |
September 18, 2017, 06:14:25 pm by PRR |
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JSchem fixed for Mac
Started by sluckey |
0 Replies
2316 Views |
September 18, 2017, 01:52:43 pm by sluckey |
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1watt early stages
Started by shooter |
7 Replies
3670 Views |
September 18, 2017, 09:00:15 am by shooter |
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Stout TMB with 6v6 Question
Started by Bwmitc9285 |
24 Replies
8313 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
17453 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
4201 Views |
September 16, 2017, 09:39:41 pm by purpletele |
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EL84 SE BIAS
Started by TIMBO |
13 Replies
8471 Views |
September 15, 2017, 09:08:22 pm by super&plexi |
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Mesa Rectifier Recap?
Started by BetterOffShred |
3 Replies
4796 Views |
September 14, 2017, 04:27:12 pm by BetterOffShred |
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6 Replies
4665 Views |
September 13, 2017, 11:03:56 pm by PRR |
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Isolation transformer suggestions & info
Started by alange5 |
7 Replies
4731 Views |
September 13, 2017, 04:22:07 pm by PRR |
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