Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 06:19:56 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 06:19:56 pm | ||
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split resistor on plate & CF ?
Started by tubenit |
12 Replies
6203 Views |
December 17, 2018, 04:31:55 pmby tubenit |
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Reproduce clean channel of blues deluxe
Started by vitruv |
21 Replies
9553 Views |
December 17, 2018, 02:39:30 pm by vitruv |
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Which cap where?
Started by Tapsnap |
2 Replies
2476 Views |
December 17, 2018, 02:21:30 pm by jjasilli |
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Shielding heater wiring on preamp?
Started by tubenit |
4 Replies
3835 Views |
December 17, 2018, 09:53:13 am by jjasilli |
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1/4 Power Switch For 100W Twin
Started by Apexelectric |
2 Replies
2728 Views |
December 16, 2018, 10:11:09 pm by Apexelectric |
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Shielded cables
Started by Swampertech |
4 Replies
2704 Views |
December 16, 2018, 07:01:07 am by Swampertech |
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Can't get the hum out of Champ
Started by NotSure |
13 Replies
6340 Views |
December 15, 2018, 05:53:02 pm by sluckey |
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HT in HT out
Started by newguitarsmell |
5 Replies
3971 Views |
December 15, 2018, 12:23:22 pm by 2deaf |
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How does Vibrato Work?
Started by silverfox |
2 Replies
2896 Views |
December 14, 2018, 05:24:15 pm by silverfox |
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Can you identify this mystery amp?
Started by evancorylevine |
12 Replies
5975 Views |
December 14, 2018, 10:43:34 am by sluckey |
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Silvertone 1485 plate voltage ?
Started by ginger |
10 Replies
5723 Views |
December 13, 2018, 02:54:45 pm by ginger |
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Standel S-80 - Schematic
Started by Deric |
5 Replies
3953 Views |
December 13, 2018, 01:20:27 pm by Deric |
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1 Replies
2883 Views |
December 13, 2018, 04:48:26 am by tubenit |
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Power transformer ratings question
Started by Diverted |
3 Replies
3189 Views |
December 12, 2018, 07:08:40 pm by ac427v |
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EL156 to KT120 bias
Started by Willabe |
42 Replies
28345 Views |
December 12, 2018, 07:08:04 pm by Willabe |
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9 Replies
4532 Views |
December 12, 2018, 07:28:42 am by markmalin |
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Compressors
Started by fossilshark |
6 Replies
3525 Views |
December 11, 2018, 02:23:15 pm by Ed_Chambley |
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0 Replies
2408 Views |
December 11, 2018, 12:58:41 pm by string bender |
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Hoffman Princeton Reverb tremolo issue
Started by Diverted |
12 Replies
5920 Views |
December 10, 2018, 03:16:40 pm by Diverted |
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Push-Pull Output Transformer question
Started by mresistor |
8 Replies
4298 Views |
December 10, 2018, 02:24:27 pm by jjasilli |
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9 Replies
5553 Views |
December 10, 2018, 12:06:48 pm by ALBATROS1234 |
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debug a recent build
Started by etneccas |
2 Replies
2202 Views |
December 10, 2018, 11:31:53 am by etneccas |
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14 Replies
7139 Views |
December 10, 2018, 09:58:01 am by markmalin |
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Bright switch issue with Hot Rod Deluxe
Started by mrr3000gt |
8 Replies
7823 Views |
December 10, 2018, 07:24:40 am by sluckey |
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hookup wire
Started by dude |
9 Replies
5645 Views |
December 09, 2018, 07:56:18 pm by dude |
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Silvertone 1485
Started by ginger |
5 Replies
3365 Views |
December 09, 2018, 04:48:32 pm by shooter |
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Bad start on a Super Reverb
Started by MacGwyn |
8 Replies
3569 Views |
December 08, 2018, 07:43:35 pm by MacGwyn |
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4 Replies
3679 Views |
December 08, 2018, 10:13:50 am by shooter |
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10 Replies
9667 Views |
December 07, 2018, 08:47:52 am by sluckey |
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D_mble with 6BM8
Started by adamG |
9 Replies
5974 Views |
December 07, 2018, 12:42:54 am by adamG |
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Fixed and self bias
Started by shooter |
5 Replies
2650 Views |
December 06, 2018, 07:55:53 pm by PRR |
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30 Replies
11514 Views |
December 06, 2018, 12:19:37 pm by sluckey |
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Fix this..?
Started by dude |
1 Replies
2144 Views |
December 06, 2018, 12:10:19 pm by sluckey |
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19 Replies
9259 Views |
December 05, 2018, 03:31:50 pm by vitruv |
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C3 SLO 100 Build
Started by purpletele |
3 Replies
3924 Views |
December 05, 2018, 06:53:05 am by PHATamps |
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3 Replies
3677 Views |
December 05, 2018, 12:22:15 am by stevenrb718 |
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9 Replies
3699 Views |
December 04, 2018, 06:54:38 pm by shooter |
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Build a Princeton into a Blues Jr Chassis?
Started by BobL |
47 Replies
17116 Views |
December 04, 2018, 06:43:33 pm by BobL |
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17 Replies
8607 Views |
December 04, 2018, 10:26:06 am by terminalgs |
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I made a D'Mars ODS preamp. Need help
Started by johngovan |
14 Replies
6033 Views |
December 04, 2018, 06:50:01 am by tubenit |
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New build based on Webster/Allan organ amp
Started by 1blueheron « 1 2 » |
97 Replies
24614 Views |
December 02, 2018, 08:53:37 pm by 1blueheron |
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series filament amp design question?
Started by ALBATROS1234 |
3 Replies
4339 Views |
December 02, 2018, 03:39:43 pm by ALBATROS1234 |
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5 Replies
4877 Views |
December 02, 2018, 02:32:07 pm by PRR |
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1 Replies
2374 Views |
December 02, 2018, 02:23:29 pm by PRR |
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AB763 deluxe reverb pentode/triode
Started by Rockranger |
7 Replies
4445 Views |
December 02, 2018, 10:58:08 am by Rockranger |
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0 Replies
2401 Views |
December 02, 2018, 10:01:31 am by boogieWoogie |
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homemade Blues Junior sound issue
Started by sarkipinty |
17 Replies
6850 Views |
December 02, 2018, 03:40:21 am by John |
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Hammond type M 101
Started by Auke Jolman |
1 Replies
2560 Views |
November 30, 2018, 01:39:35 pm by Willabe |
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6n2p tubes
Started by Vlada |
5 Replies
5194 Views |
November 30, 2018, 11:28:24 am by alathIN |
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Valve Identfycation - Gibson Bass Combo
Started by Geoffb |
3 Replies
2740 Views |
November 30, 2018, 04:55:43 am by kagliostro |
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