Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:55:29 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:55:29 pm | ||
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34 Replies
8100 Views |
November 11, 2021, 02:31:25 pmby DougGuy |
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My AB763 doesn't like NFB
Started by Blind Lemon « 1 2 3 4 » |
174 Replies
27606 Views |
November 10, 2021, 06:59:13 pm by Soulfetish |
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Rectifier limiting resistors
Started by Ross |
3 Replies
2452 Views |
November 09, 2021, 07:09:15 pm by HotBluePlates |
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6G3 build: oscillation solved?
Started by Bieworm |
14 Replies
4632 Views |
November 09, 2021, 01:06:34 pm by Bieworm |
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Hoffman vs RobRob 5f6a layout
Started by LPJr |
6 Replies
2935 Views |
November 09, 2021, 07:24:25 am by EL34 |
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Strange conversion
Started by Stuff4bikes |
10 Replies
3765 Views |
November 09, 2021, 02:59:36 am by shooter |
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Carvin V3 mod
Started by Leevi |
7 Replies
3273 Views |
November 08, 2021, 10:23:12 pm by Leevi |
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018343 output transformer question
Started by LPJr |
17 Replies
4990 Views |
November 08, 2021, 08:44:52 pm by sluckey |
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Powering an Effect Loop
Started by SolidStateCircuitReject |
16 Replies
7732 Views |
November 08, 2021, 07:20:37 pm by PRR |
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8 Replies
3778 Views |
November 08, 2021, 02:12:23 pm by ebulakowski |
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9 Replies
3737 Views |
November 08, 2021, 10:26:15 am by Willabe |
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6EM7 what are they good for.....
Started by TIMBO |
7 Replies
3700 Views |
November 08, 2021, 02:34:27 am by TIMBO |
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Mosfet cathode follower question
Started by tubenit |
9 Replies
4388 Views |
November 07, 2021, 06:53:33 pm by glass54 |
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11 Replies
4493 Views |
November 07, 2021, 05:46:45 am by tschwarz |
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Vibrolux No Balls
Started by jaster55 |
5 Replies
2410 Views |
November 06, 2021, 05:57:09 pm by jaster55 |
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Slivertone 1484 voltages
Started by allstonma |
9 Replies
3445 Views |
November 06, 2021, 04:31:09 pm by PRR |
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AB763 high voltages help
Started by joesatch |
14 Replies
4258 Views |
November 05, 2021, 10:02:45 pm by PRR |
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Starting my AB763-1 build
Started by Hazcat |
2 Replies
2137 Views |
November 05, 2021, 02:10:52 pm by Hazcat |
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Stout Reverb NFB switch
Started by tkm |
2 Replies
2260 Views |
November 05, 2021, 11:51:09 am by tkm |
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Crosstalk when using LND150 FET
Started by Leevi |
8 Replies
3579 Views |
November 05, 2021, 11:50:55 am by Leevi |
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Can I run it at 4Ohms?
Started by toomanyslurpees |
10 Replies
5411 Views |
November 05, 2021, 07:28:00 am by mresistor |
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twisting heater wires.
Started by joesatch |
26 Replies
7199 Views |
November 04, 2021, 10:55:31 pm by Mungo Park |
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Reverb not working in a Fender Blues Jr.
Started by 72Blazer |
26 Replies
6983 Views |
November 04, 2021, 08:44:10 pm by 72Blazer |
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Power transformer question....
Started by Stuff4bikes |
5 Replies
2330 Views |
November 04, 2021, 05:08:40 pm by HotBluePlates |
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AB763 Bias too cold resistor swap
Started by joesatch |
1 Replies
2327 Views |
November 04, 2021, 12:59:43 pm by sluckey |
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Power supply for Kustom Defender V30
Started by frankenxtein |
7 Replies
3676 Views |
November 04, 2021, 12:34:55 am by frankenxtein |
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Silvertone 1484 - low output
Started by scstill |
45 Replies
15031 Views |
November 03, 2021, 08:50:51 am by scstill |
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2 Replies
2490 Views |
November 03, 2021, 06:37:41 am by cboysen |
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5E8A question
Started by mresistor |
5 Replies
2783 Views |
November 02, 2021, 11:48:23 pm by mresistor |
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6G15 Hum-loop block network
Started by Roukedou |
8 Replies
6275 Views |
November 02, 2021, 01:05:42 pm by prongster |
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Electronics/Tube Amp Course?
Started by 72Blazer |
10 Replies
3465 Views |
November 02, 2021, 09:17:39 am by pdf64 |
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23 Replies
5417 Views |
November 02, 2021, 05:34:41 am by pdf64 |
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2 Replies
2028 Views |
November 01, 2021, 04:26:39 pm by joesatch |
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5E8A clone coming out of standby
Started by mresistor |
5 Replies
3063 Views |
November 01, 2021, 03:18:31 pm by mresistor |
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Sluckey bias circuit question.
Started by joesatch |
2 Replies
2140 Views |
November 01, 2021, 08:39:03 am by joesatch |
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2 Replies
2454 Views |
October 31, 2021, 08:27:33 pm by luthierwnc |
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8 Replies
3430 Views |
October 31, 2021, 02:42:28 pm by PRR |
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4 Replies
3038 Views |
October 30, 2021, 09:37:25 pm by HotBluePlates |
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13 Replies
4078 Views |
October 30, 2021, 08:39:13 am by HotBluePlates |
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Need advice on HV tap blowing fuses
Started by luthierwnc |
16 Replies
3893 Views |
October 29, 2021, 02:45:58 pm by luthierwnc |
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Killed my Princeton treble
Started by MacGwyn |
43 Replies
11298 Views |
October 29, 2021, 02:35:44 pm by Indyryder02 |
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5E3 REVERB EXULED
Started by TIMBO |
20 Replies
5926 Views |
October 29, 2021, 02:21:39 pm by TIMBO |
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OT wiring explanation
Started by joesatch |
2 Replies
2114 Views |
October 29, 2021, 01:59:52 pm by sluckey |
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19 Replies
7138 Views |
October 29, 2021, 10:45:03 am by ac427v |
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AB763 Reverb Transformer Placement
Started by joesatch |
2 Replies
2394 Views |
October 29, 2021, 08:01:52 am by joesatch |
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Sovtek Mig-60 weird biasing resistors
Started by Diverted |
2 Replies
2503 Views |
October 28, 2021, 02:12:01 pm by sluckey |
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Bias Failsafe AB763
Started by joesatch |
19 Replies
5560 Views |
October 28, 2021, 12:55:15 pm by shooter |
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Presence control on 5F1
Started by Stuff4bikes |
1 Replies
2210 Views |
October 28, 2021, 07:27:32 am by Latole |
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5e3 head layout
Started by timmyjoe |
4 Replies
3352 Views |
October 28, 2021, 06:45:34 am by Latole |
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'66 AB763 Super Reverb question
Started by Esquirefreak |
11 Replies
3384 Views |
October 28, 2021, 04:21:12 am by Leevi |
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