Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 04:00:25 pm
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 04:00:25 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| passaloutre, Glenn, dogburn and 104 Guests are viewing this board. | ||||
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Hum debugging on a Trinity TC15 build
Started by repoman |
10 Replies
5024 Views |
September 04, 2019, 12:34:10 amby st |
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12au7 load line
Started by labb |
27 Replies
12575 Views |
September 03, 2019, 07:01:13 pm by labb |
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Fender Blues Junior
Started by rczcustom |
4 Replies
2964 Views |
September 03, 2019, 06:05:23 pm by shooter |
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4 Replies
3382 Views |
September 03, 2019, 08:19:07 am by turtle441 |
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1 Replies
2696 Views |
September 02, 2019, 10:33:49 pm by PRR |
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Soldano x88r clone build.
Started by Captain chunkulus |
34 Replies
14322 Views |
September 02, 2019, 11:22:45 am by Captain chunkulus |
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Reverb for Blues Jr conversion
Started by Tbone55 |
3 Replies
2863 Views |
August 30, 2019, 09:10:21 am by shooter |
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Looking to build a Modified 5F6A
Started by jgoodner |
2 Replies
2907 Views |
August 30, 2019, 08:24:52 am by jgoodner |
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Impedance/power tube question
Started by Diverted |
13 Replies
5082 Views |
August 30, 2019, 12:08:07 am by DummyLoad |
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Standby Grounding Issue
Started by ululufut |
17 Replies
6063 Views |
August 29, 2019, 08:09:57 pm by sluckey |
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Transformer Upgrade for Blues Jr.
Started by Tbone55 |
4 Replies
4798 Views |
August 29, 2019, 05:57:29 pm by Tony Bones |
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Capacitor Question
Started by 5string |
9 Replies
6431 Views |
August 29, 2019, 03:57:27 pm by Ed_Chambley |
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15 Replies
5428 Views |
August 29, 2019, 08:14:19 am by ululufut |
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What shielded wire's best?
Started by Diverted |
6 Replies
4806 Views |
August 28, 2019, 08:00:58 am by Diverted |
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Roast my preamp
Started by ECV02 |
10 Replies
5982 Views |
August 27, 2019, 09:19:36 pm by PRR |
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6AQ5 SE amp build from Ampro parts
Started by shaun |
15 Replies
13254 Views |
August 27, 2019, 07:10:03 pm by shaun |
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5 Replies
3706 Views |
August 27, 2019, 12:00:29 pm by jonyoungyi |
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Transformer for Trainwreck
Started by Oddvar |
7 Replies
6531 Views |
August 26, 2019, 09:51:47 am by MFowler |
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Dialing in a 5e5a build
Started by etneccas |
2 Replies
2608 Views |
August 26, 2019, 07:14:59 am by etneccas |
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2 Replies
2879 Views |
August 25, 2019, 07:04:07 pm by MFowler |
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65 PRRI - Ye Olde Noise Thread
Started by fdesalvo |
3 Replies
3226 Views |
August 23, 2019, 03:21:07 pm by fdesalvo |
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14 Replies
7370 Views |
August 22, 2019, 03:46:02 pm by shooter |
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Princeton Reverb Build Issue
Started by aabbs20 |
11 Replies
4573 Views |
August 22, 2019, 02:02:25 pm by shooter |
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Westinghouse model 604 radio
Started by Colas LeGrippa |
12 Replies
4421 Views |
August 22, 2019, 12:55:59 pm by PRR |
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Problems with my Tweed Deluxe 5E3 rebuild
Started by Mike_J |
39 Replies
9242 Views |
August 22, 2019, 09:58:28 am by Mike_J |
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Dinged output transformer
Started by Fiat_cc |
5 Replies
3358 Views |
August 21, 2019, 08:17:30 pm by PRR |
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Odd Amp Repair
Started by JKRamsey1991 |
5 Replies
3596 Views |
August 21, 2019, 07:15:16 pm by jim |
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Hoffman Blues Junior Power Transformer
Started by etliharr40 |
17 Replies
7069 Views |
August 21, 2019, 09:18:12 am by sluckey |
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Resistor Voltage rating.
Started by labb |
5 Replies
4288 Views |
August 21, 2019, 08:37:27 am by Sonny ReVerb |
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18 watt redesign question
Started by Fiat_cc |
8 Replies
4312 Views |
August 20, 2019, 09:43:05 pm by Fiat_cc |
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Question about star grounding.
Started by Captain chunkulus |
8 Replies
5249 Views |
August 20, 2019, 02:17:02 pm by st |
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Popping when switching channels
Started by Diverted |
4 Replies
3003 Views |
August 19, 2019, 03:53:32 pm by d95err |
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Chassis Sourcing
Started by JKRamsey1991 |
7 Replies
4147 Views |
August 19, 2019, 10:07:55 am by JKRamsey1991 |
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Sluckey's power switching scheme.
Started by labb |
3 Replies
2962 Views |
August 18, 2019, 11:57:20 am by sluckey |
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Adding PPIMV
Started by dude |
19 Replies
8528 Views |
August 17, 2019, 03:56:09 pm by Auke Jolman |
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0 Replies
2535 Views |
August 16, 2019, 08:07:33 pm by sluckey |
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Negative Feedback pop
Started by dude |
16 Replies
5594 Views |
August 16, 2019, 04:43:16 pm by dude |
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11 Replies
5439 Views |
August 16, 2019, 10:34:53 am by jjasilli |
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5E3 E Caps
Started by Mike_J |
14 Replies
6219 Views |
August 16, 2019, 02:09:57 am by pdf64 |
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Increasing Plexi 6v6 gain
Started by Big_Mike |
9 Replies
5034 Views |
August 15, 2019, 10:50:36 pm by Hellawatt |
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2 Replies
2869 Views |
August 13, 2019, 06:03:08 pm by Fiat_cc |
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Suggestions for a 6G3 build
Started by dude |
20 Replies
8129 Views |
August 13, 2019, 11:10:51 am by dude |
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2 Replies
4458 Views |
August 13, 2019, 08:48:23 am by hesamadman |
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Hammond AO 29 conversion
Started by JunkDr |
4 Replies
4235 Views |
August 12, 2019, 05:03:00 pm by JunkDr |
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Changing the Pt in Caliber 50
Started by Oddvar |
3 Replies
2994 Views |
August 12, 2019, 09:42:00 am by sluckey |
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Bias circuit design check
Started by Fiat_cc |
2 Replies
2992 Views |
August 12, 2019, 08:01:51 am by Fiat_cc |
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4 Replies
3583 Views |
August 12, 2019, 06:53:27 am by Fiat_cc |
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Second Amp Design
Started by Swampertech |
37 Replies
10760 Views |
August 11, 2019, 06:40:06 pm by shooter |
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3 Replies
4067 Views |
August 11, 2019, 04:10:04 pm by Scsoul |
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10 Replies
5447 Views |
August 11, 2019, 01:28:17 pm by Mike_J |
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Misc. Hardware |
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Board Building Parts |
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Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
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Fender Eyelet Boards |
Screws/Nuts Washers |
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Jacks/Plugs Connectors |
Misc Eyelet Boards |
Tools |
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Custom Boards |
Tubes Valves |
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Pots Knobs |
Fuses/Cords |
Chassis |
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Tube Sockets |
Switches |
Wire Cable |