Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:04 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:04 am | ||
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| 0 Members and 68 Guests are viewing this board. | ||||
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Line out for an AB763 amp?
Started by 72Blazer |
5 Replies
4932 Views |
March 09, 2022, 07:58:27 pmby SILVERGUN |
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14 Replies
7436 Views |
March 09, 2022, 05:09:20 pm by Dyerseve726 |
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Fender Faceplates
Started by jy67 |
2 Replies
3851 Views |
March 09, 2022, 04:06:58 pm by jy67 |
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Suggestions for two extra triodes?
Started by dwinstonwood |
32 Replies
10665 Views |
March 09, 2022, 02:07:40 pm by dwinstonwood |
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Applications for UL84 tubes
Started by Rontone |
5 Replies
4815 Views |
March 09, 2022, 03:42:15 am by kagliostro |
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Question about Merlin's grounding
Started by dwinstonwood |
33 Replies
11578 Views |
March 08, 2022, 12:41:14 pm by dwinstonwood |
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Preamp tube proximity. marshall mod
Started by joesatch |
7 Replies
5363 Views |
March 08, 2022, 08:33:04 am by dwinstonwood |
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Do New Amps "Burn In?"
Started by DougGuy |
19 Replies
8536 Views |
March 07, 2022, 10:30:01 am by jojokeo |
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Power XFMR/Output XFMR relationship
Started by Dealbreaker |
15 Replies
6719 Views |
March 07, 2022, 09:16:18 am by Dealbreaker |
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Replacing electrolytic cap cans
Started by Erik Aa |
6 Replies
4574 Views |
March 06, 2022, 10:17:42 am by Erik Aa |
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Non polarized cap in bias circuit
Started by Stuff4bikes |
1 Replies
3483 Views |
March 05, 2022, 07:16:34 pm by sluckey |
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hammond 125J question
Started by jackplug1 |
6 Replies
5399 Views |
March 05, 2022, 08:05:34 am by jackplug1 |
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Slow tremolo mod
Started by valvetones |
8 Replies
6266 Views |
March 05, 2022, 06:55:44 am by sluckey |
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5 Replies
5062 Views |
March 04, 2022, 09:57:38 pm by texwest |
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Wem Westminster MK9 schematic question
Started by Wonder2121 |
5 Replies
5439 Views |
March 04, 2022, 03:22:10 pm by pdf64 |
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3 Replies
4203 Views |
March 04, 2022, 10:09:12 am by mresistor |
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1 Replies
3830 Views |
March 04, 2022, 10:00:25 am by sluckey |
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1966 Fender Bassman 100% Original
Started by jamaio |
28 Replies
11896 Views |
March 03, 2022, 09:08:50 pm by jamaio |
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Convert schematic to layout
Started by ok_state_blues |
6 Replies
5487 Views |
March 02, 2022, 01:55:59 pm by ok_state_blues |
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News Update Valve Supplies
Started by Latole |
1 Replies
3775 Views |
March 02, 2022, 06:25:24 am by Leevi |
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7 Replies
4993 Views |
March 01, 2022, 11:28:19 pm by bmccowan |
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7 Replies
7024 Views |
March 01, 2022, 07:37:23 pm by AmberB |
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63 Replies
16442 Views |
March 01, 2022, 01:56:40 pm by RadioComm |
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EF86 Vibroverb
Started by valvetones |
9 Replies
5062 Views |
March 01, 2022, 01:43:14 pm by valvetones |
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1 ohm cathode resistor
Started by AmberB |
42 Replies
16433 Views |
March 01, 2022, 11:00:37 am by pdf64 |
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AC15 Volume Issues
Started by ebulakowski |
13 Replies
6513 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
8291 Views |
February 28, 2022, 09:31:25 pm by liddokun |
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24 Replies
8776 Views |
February 28, 2022, 05:13:14 pm by 72Blazer |
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LM master volume question
Started by Esquirefreak |
5 Replies
4863 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
6082 Views |
February 28, 2022, 05:13:11 am by Bigjoedo |
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UberGain PowerSupply
Started by MiniVanMan |
3 Replies
4557 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
7256 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
6951 Views |
February 27, 2022, 07:14:31 am by pbman1953 |
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12 Replies
6285 Views |
February 26, 2022, 07:43:33 pm by sluckey |
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Japanese Switches
Started by jy67 |
1 Replies
4112 Views |
February 26, 2022, 02:06:54 pm by mresistor |
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30 Replies
16689 Views |
February 26, 2022, 10:52:53 am by sluckey |
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5 Replies
5254 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
10929 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
7067 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
8167 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
4219 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
6261 Views |
February 24, 2022, 09:51:20 am by smackoj |
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Mini-Bassman question
Started by bmccowan |
7 Replies
4671 Views |
February 23, 2022, 07:10:50 pm by bmccowan |
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Show us your breadboard!
Started by uki |
10 Replies
6878 Views |
February 23, 2022, 07:01:00 am by uki |
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6 Replies
5149 Views |
February 23, 2022, 03:01:28 am by Latole |
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Merit A2904 OT help
Started by munkeyboy |
9 Replies
6678 Views |
February 22, 2022, 05:24:51 pm by frankenxtein |
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9 Replies
5152 Views |
February 22, 2022, 04:50:56 pm by Colas LeGrippa |
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2 Replies
3869 Views |
February 22, 2022, 09:46:21 am by acheld |
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pot value question
Started by pbman1953 |
49 Replies
14141 Views |
February 22, 2022, 06:25:02 am by pbman1953 |
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Bias setting for 5F6A
Started by Johnnydoright |
10 Replies
5404 Views |
February 22, 2022, 12:33:49 am by PRR |
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