Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 10:51:33 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 10:51:33 am | ||
| Subject / Started by | Replies / Views | Last post  |
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EF86 Vibroverb
Started by valvetones |
9 Replies
4411 Views |
March 01, 2022, 01:43:14 pmby valvetones |
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1 ohm cathode resistor
Started by AmberB |
42 Replies
14524 Views |
March 01, 2022, 11:00:37 am by pdf64 |
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AC15 Volume Issues
Started by ebulakowski |
13 Replies
5596 Views |
March 01, 2022, 10:59:50 am by valvetones |
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Out of spec transformers and testing
Started by liddokun |
18 Replies
7156 Views |
February 28, 2022, 09:31:25 pm by liddokun |
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24 Replies
7631 Views |
February 28, 2022, 05:13:14 pm by 72Blazer |
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LM master volume question
Started by Esquirefreak |
5 Replies
4118 Views |
February 28, 2022, 03:31:17 pm by Esquirefreak |
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Princeton 5F2-A Clone TONE Pot values
Started by Bigjoedo |
5 Replies
5157 Views |
February 28, 2022, 05:13:11 am by Bigjoedo |
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UberGain PowerSupply
Started by MiniVanMan |
3 Replies
3892 Views |
February 27, 2022, 09:38:34 pm by PRR |
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Stout Reverb Build / No Audio - Fixed
Started by jamaio |
8 Replies
6378 Views |
February 27, 2022, 06:54:50 pm by tubenit |
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Measuring the primary of an OT
Started by pbman1953 |
11 Replies
5961 Views |
February 27, 2022, 07:14:31 am by pbman1953 |
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12 Replies
5411 Views |
February 26, 2022, 07:43:33 pm by sluckey |
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Japanese Switches
Started by jy67 |
1 Replies
3417 Views |
February 26, 2022, 02:06:54 pm by mresistor |
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30 Replies
14317 Views |
February 26, 2022, 10:52:53 am by sluckey |
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5 Replies
4513 Views |
February 25, 2022, 06:53:43 pm by trobbins |
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Blues junior plate voltage issue
Started by Colas LeGrippa |
35 Replies
9808 Views |
February 25, 2022, 01:28:31 pm by Colas LeGrippa |
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Shock mount for EF86...any advice?
Started by PharmRock |
11 Replies
6152 Views |
February 25, 2022, 12:12:46 am by kagliostro |
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Single Channel AB763 w/VB Tremolo
Started by Blind Lemon |
23 Replies
7131 Views |
February 24, 2022, 05:20:47 pm by Blind Lemon |
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SF Princeton (NR) Trem Mod Question
Started by plumcrazyfx |
4 Replies
3554 Views |
February 24, 2022, 03:42:43 pm by plumcrazyfx |
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Need help with 1966 Kay model 720
Started by smackoj |
10 Replies
5458 Views |
February 24, 2022, 09:51:20 am by smackoj |
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Mini-Bassman question
Started by bmccowan |
7 Replies
4008 Views |
February 23, 2022, 07:10:50 pm by bmccowan |
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Show us your breadboard!
Started by uki |
10 Replies
6006 Views |
February 23, 2022, 07:01:00 am by uki |
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6 Replies
4288 Views |
February 23, 2022, 03:01:28 am by Latole |
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Merit A2904 OT help
Started by munkeyboy |
9 Replies
5887 Views |
February 22, 2022, 05:24:51 pm by frankenxtein |
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9 Replies
4463 Views |
February 22, 2022, 04:50:56 pm by Colas LeGrippa |
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2 Replies
3225 Views |
February 22, 2022, 09:46:21 am by acheld |
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pot value question
Started by pbman1953 |
49 Replies
12000 Views |
February 22, 2022, 06:25:02 am by pbman1953 |
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Bias setting for 5F6A
Started by Johnnydoright |
10 Replies
4692 Views |
February 22, 2022, 12:33:49 am by PRR |
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Vactrol Questions
Started by skeprico |
3 Replies
3472 Views |
February 21, 2022, 05:34:15 pm by skeprico |
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Dumont tube brand ??
Started by kagliostro |
22 Replies
9463 Views |
February 21, 2022, 01:33:12 pm by sluckey |
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38 Replies
12212 Views |
February 21, 2022, 12:38:21 pm by PRR |
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7 Replies
4219 Views |
February 20, 2022, 06:48:34 pm by Hoodnight |
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4 Replies
4282 Views |
February 20, 2022, 05:44:01 pm by timmyjoe |
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1958 Fender Basman Restoration
Started by Garrett335 |
12 Replies
6275 Views |
February 20, 2022, 03:00:36 pm by PRR |
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EL-34 screen grid resistors
Started by AmberB |
5 Replies
6273 Views |
February 20, 2022, 02:43:27 pm by HotBluePlates |
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55 Replies
14249 Views |
February 20, 2022, 02:36:09 pm by Latole |
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14 Replies
6089 Views |
February 20, 2022, 11:17:10 am by Erik Aa |
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Randall LB103 ; need schematic
Started by Latole |
25 Replies
7939 Views |
February 20, 2022, 10:09:42 am by Latole |
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6 Replies
4876 Views |
February 20, 2022, 08:13:47 am by PharmRock |
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5E3 Squeal with Volume Interaction
Started by timmyjoe |
5 Replies
3918 Views |
February 19, 2022, 09:38:38 pm by timmyjoe |
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Cool Ambrosia Maple - Sound clip added
Started by p2pAmps |
14 Replies
5755 Views |
February 19, 2022, 08:54:25 pm by p2pAmps |
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Alternative turrets ?
Started by uki |
3 Replies
3631 Views |
February 19, 2022, 04:08:52 pm by sluckey |
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questions on choke selection...
Started by 1blueheron |
30 Replies
9117 Views |
February 19, 2022, 11:41:57 am by PRR |
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testing chokes?
Started by AmberB |
16 Replies
7346 Views |
February 19, 2022, 11:37:02 am by PRR |
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59 Replies
17830 Views |
February 19, 2022, 12:45:25 am by PRR |
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6AQ5 vs 6V6
Started by Stuff4bikes |
9 Replies
8783 Views |
February 18, 2022, 09:38:56 pm by bmccowan |
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3 Replies
4051 Views |
February 18, 2022, 10:25:31 am by spunko |
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Will my PT work for a 5e3 build?
Started by A13X |
6 Replies
4245 Views |
February 17, 2022, 04:46:48 pm by A13X |
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Swapping 12AX7 with 12AU7
Started by Banjan73 |
7 Replies
6074 Views |
February 17, 2022, 05:58:50 am by Banjan73 |
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Show Us Your Workspace!
Started by aabbs20 |
37 Replies
11071 Views |
February 16, 2022, 10:03:10 pm by glass54 |
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SE amp power supply question
Started by AmberB |
7 Replies
4542 Views |
February 16, 2022, 08:57:01 pm by AmberB |
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