Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 02:18:14 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 02:18:14 pm | ||
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| tomojt and 135 Guests are viewing this board. | ||||
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Best practices for chassis layout...
Started by 1blueheron |
6 Replies
7907 Views |
December 19, 2018, 01:30:10 pmby SoundmasterG |
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Power Transformer physical buzz
Started by mresistor |
4 Replies
5076 Views |
December 19, 2018, 12:42:16 pm by mresistor |
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8 Replies
9344 Views |
December 18, 2018, 11:55:24 pm by munkeyboy |
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Removing capacitor guts?
Started by plumcrazyfx |
1 Replies
4134 Views |
December 18, 2018, 05:25:14 am by sluckey |
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5E3 buzz
Started by Swampertech |
20 Replies
10082 Views |
December 17, 2018, 08:32:49 pm by Swampertech |
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5E3 trem circuit options ?
Started by ginger |
38 Replies
13469 Views |
December 17, 2018, 07:05:13 pm by ginger |
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split resistor on plate & CF ?
Started by tubenit |
12 Replies
8023 Views |
December 17, 2018, 04:31:55 pm by tubenit |
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Reproduce clean channel of blues deluxe
Started by vitruv |
21 Replies
12094 Views |
December 17, 2018, 02:39:30 pm by vitruv |
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Which cap where?
Started by Tapsnap |
2 Replies
4169 Views |
December 17, 2018, 02:21:30 pm by jjasilli |
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Shielding heater wiring on preamp?
Started by tubenit |
4 Replies
5568 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
4653 Views |
December 16, 2018, 10:11:09 pm by Apexelectric |
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Shielded cables
Started by Swampertech |
4 Replies
4123 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
8269 Views |
December 15, 2018, 05:53:02 pm by sluckey |
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HT in HT out
Started by newguitarsmell |
5 Replies
5886 Views |
December 15, 2018, 12:23:22 pm by 2deaf |
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How does Vibrato Work?
Started by silverfox |
2 Replies
4449 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
8714 Views |
December 14, 2018, 10:43:34 am by sluckey |
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Silvertone 1485 plate voltage ?
Started by ginger |
10 Replies
7803 Views |
December 13, 2018, 02:54:45 pm by ginger |
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Standel S-80 - Schematic
Started by Deric |
5 Replies
5864 Views |
December 13, 2018, 01:20:27 pm by Deric |
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1 Replies
4712 Views |
December 13, 2018, 04:48:26 am by tubenit |
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Power transformer ratings question
Started by Diverted |
3 Replies
4665 Views |
December 12, 2018, 07:08:40 pm by ac427v |
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EL156 to KT120 bias
Started by Willabe |
42 Replies
33357 Views |
December 12, 2018, 07:08:04 pm by Willabe |
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9 Replies
6433 Views |
December 12, 2018, 07:28:42 am by markmalin |
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Compressors
Started by fossilshark |
6 Replies
5106 Views |
December 11, 2018, 02:23:15 pm by Ed_Chambley |
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0 Replies
4019 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
7836 Views |
December 10, 2018, 03:16:40 pm by Diverted |
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Push-Pull Output Transformer question
Started by mresistor |
8 Replies
5902 Views |
December 10, 2018, 02:24:27 pm by jjasilli |
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9 Replies
7575 Views |
December 10, 2018, 12:06:48 pm by ALBATROS1234 |
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debug a recent build
Started by etneccas |
2 Replies
3725 Views |
December 10, 2018, 11:31:53 am by etneccas |
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14 Replies
9531 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
9885 Views |
December 10, 2018, 07:24:40 am by sluckey |
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hookup wire
Started by dude |
9 Replies
7803 Views |
December 09, 2018, 07:56:18 pm by dude |
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Silvertone 1485
Started by ginger |
5 Replies
5068 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
5300 Views |
December 08, 2018, 07:43:35 pm by MacGwyn |
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4 Replies
5522 Views |
December 08, 2018, 10:13:50 am by shooter |
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10 Replies
12156 Views |
December 07, 2018, 08:47:52 am by sluckey |
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D_mble with 6BM8
Started by adamG |
9 Replies
8098 Views |
December 07, 2018, 12:42:54 am by adamG |
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Fixed and self bias
Started by shooter |
5 Replies
4209 Views |
December 06, 2018, 07:55:53 pm by PRR |
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30 Replies
15420 Views |
December 06, 2018, 12:19:37 pm by sluckey |
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Fix this..?
Started by dude |
1 Replies
3655 Views |
December 06, 2018, 12:10:19 pm by sluckey |
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19 Replies
11518 Views |
December 05, 2018, 03:31:50 pm by vitruv |
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C3 SLO 100 Build
Started by purpletele |
3 Replies
5521 Views |
December 05, 2018, 06:53:05 am by PHATamps |
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3 Replies
5474 Views |
December 05, 2018, 12:22:15 am by stevenrb718 |
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9 Replies
5586 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
21697 Views |
December 04, 2018, 06:43:33 pm by BobL |
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17 Replies
11081 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
8117 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
31499 Views |
December 02, 2018, 08:53:37 pm by 1blueheron |
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series filament amp design question?
Started by ALBATROS1234 |
3 Replies
6428 Views |
December 02, 2018, 03:39:43 pm by ALBATROS1234 |
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5 Replies
6937 Views |
December 02, 2018, 02:32:07 pm by PRR |
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1 Replies
3802 Views |
December 02, 2018, 02:23:29 pm by PRR |
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