Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 07:59:28 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:59:28 pm | ||
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| Joel and 47 Guests are viewing this board. | ||||
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6ak5 in place of EF86
Started by imgumby001 |
4 Replies
3366 Views |
September 24, 2023, 08:50:18 amby imgumby001 |
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OPT defective ?
Started by Colas LeGrippa |
9 Replies
4246 Views |
September 23, 2023, 01:57:32 pm by Platefire |
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Vox with Fender channels?
Started by roseblood11 |
3 Replies
3570 Views |
September 23, 2023, 07:17:07 am by dwinstonwood |
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Univox U102 Combo Cabinet Dimensions
Started by astronomicum |
5 Replies
3163 Views |
September 22, 2023, 09:28:11 pm by bmccowan |
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Bassman 50 grounding
Started by labb |
3 Replies
2796 Views |
September 22, 2023, 12:50:06 pm by PRR |
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Fender Bassman 50
Started by labb |
30 Replies
9050 Views |
September 21, 2023, 05:02:28 pm by shooter |
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5 Replies
3228 Views |
September 21, 2023, 01:29:22 pm by Williamblake |
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24 Replies
8953 Views |
September 21, 2023, 12:58:16 pm by stratomaster |
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51 Replies
13478 Views |
September 21, 2023, 05:41:33 am by Dave |
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9 Replies
4235 Views |
September 21, 2023, 12:47:15 am by kagliostro |
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Effects loop build question
Started by audiosalvage |
1 Replies
2755 Views |
September 20, 2023, 09:49:33 pm by PRR |
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Speaker jack speaker loads
Started by Jalmeida |
2 Replies
2739 Views |
September 20, 2023, 12:33:56 pm by PRR |
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Variac use in new build startup
Started by dude |
3 Replies
3327 Views |
September 19, 2023, 09:24:32 pm by bmccowan |
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National Dobro 400
Started by isaac_teller |
4 Replies
3329 Views |
September 19, 2023, 10:47:42 am by isaac_teller |
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Resistor placement
Started by Diverted |
8 Replies
3466 Views |
September 19, 2023, 10:29:58 am by Latole |
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Blues Jr frying preamp tubes
Started by mxrshiver |
5 Replies
3465 Views |
September 19, 2023, 06:09:10 am by pdf64 |
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Gibson GA-30 need help picking capacitors
Started by delray |
11 Replies
5131 Views |
September 18, 2023, 10:40:31 pm by Platefire |
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11 Replies
4183 Views |
September 18, 2023, 09:26:51 am by kagliostro |
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Changing value of potentiometer
Started by Mypalmurph |
22 Replies
6266 Views |
September 18, 2023, 02:55:27 am by Colas LeGrippa |
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9 Replies
4335 Views |
September 17, 2023, 09:45:38 pm by HotBluePlates |
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Bassman 5F6-A build
Started by Keyboy |
15 Replies
5532 Views |
September 17, 2023, 09:38:55 pm by PRR |
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Musicman 2100 RD Power Transformer
Started by plexi50 |
3 Replies
2995 Views |
September 17, 2023, 06:42:52 pm by plexi50 |
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6V6 tweed bassman advice
Started by Bieworm |
38 Replies
9326 Views |
September 17, 2023, 01:20:45 pm by Bieworm |
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New Build with KT-88's
Started by W5FH |
1 Replies
2726 Views |
September 17, 2023, 08:50:15 am by W5FH |
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Revibe Idea, 3ft reverb tank
Started by paulcblais |
2 Replies
2668 Views |
September 17, 2023, 06:17:21 am by Williamblake |
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Ohms mismatch or swap output trans
Started by Mypalmurph |
4 Replies
3120 Views |
September 17, 2023, 05:22:32 am by pdf64 |
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Hoffman_AB763_1 channel Completed
Started by RoadShow |
4 Replies
3489 Views |
September 16, 2023, 04:45:06 pm by mresistor |
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Resistors Making An Amp Quiet...
Started by sbeckett |
4 Replies
3357 Views |
September 16, 2023, 01:46:47 pm by scstill |
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1966 Fender Super Reverb Maintenance
Started by flacman |
9 Replies
4653 Views |
September 16, 2023, 01:24:34 pm by scstill |
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Additional fuses advice
Started by 22uf |
5 Replies
3648 Views |
September 16, 2023, 08:35:35 am by HotBluePlates |
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crate 3112 convert to tube rectifier
Started by toposeven |
2 Replies
2854 Views |
September 15, 2023, 06:52:40 am by kagliostro |
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4 Replies
3828 Views |
September 15, 2023, 06:48:53 am by Carlsoti |
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Dual Lite amp project
Started by sluckey |
43 Replies
14681 Views |
September 14, 2023, 10:32:56 pm by capohk |
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AC15HW1 power issue
Started by Travis8 |
7 Replies
4008 Views |
September 14, 2023, 07:24:30 am by Latole |
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Sluckeys Rockola
Started by isaac_teller |
6 Replies
3456 Views |
September 13, 2023, 12:45:48 pm by bmccowan |
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9 Replies
4085 Views |
September 12, 2023, 04:35:24 pm by kagliostro |
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5 Replies
3620 Views |
September 12, 2023, 03:19:08 pm by Dave |
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yet another N00B biasing question
Started by fossilshark |
3 Replies
3304 Views |
September 12, 2023, 12:45:47 pm by sluckey |
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Questions about Revibe circuit
Started by Keppy |
2 Replies
2827 Views |
September 11, 2023, 05:51:53 pm by Keppy |
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Failsafe for bias trim pot on Ampeg B25
Started by fazeka |
14 Replies
5288 Views |
September 11, 2023, 03:25:41 pm by kagliostro |
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Flip and Reverse visio image
Started by mresistor |
11 Replies
4320 Views |
September 10, 2023, 03:06:08 pm by mresistor |
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11 Replies
4040 Views |
September 10, 2023, 02:07:39 pm by theRagman |
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Heater Elevation in Fixed-Bias Amps
Started by dwinstonwood |
6 Replies
3477 Views |
September 10, 2023, 12:35:55 pm by bmccowan |
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custom control panels
Started by fossilshark |
13 Replies
5212 Views |
September 10, 2023, 04:12:29 am by zircontweezer |
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Ultra Linear OT in a guitar amp?
Started by Loomer |
10 Replies
4821 Views |
September 09, 2023, 02:18:19 pm by PRR |
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Replicate tube stage with LND150's
Started by joesatch |
3 Replies
3303 Views |
September 09, 2023, 09:27:00 am by joesatch |
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Eurotubes "double mica": gimmick?
Started by passaloutre |
4 Replies
3606 Views |
September 09, 2023, 02:30:18 am by Jalmeida |
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Blown cathode bypass cap
Started by Diverted |
3 Replies
3192 Views |
September 08, 2023, 12:49:24 pm by Diverted |
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Random snap
Started by Leevi |
18 Replies
5011 Views |
September 08, 2023, 12:29:48 am by kagliostro |
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Cordovox amp
Started by bmccowan |
5 Replies
3575 Views |
September 08, 2023, 12:18:01 am by kagliostro |
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