Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 11:06:29 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 11:06:29 am | ||
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Hum in SVT power amp
Started by Mark |
6 Replies
4811 Views |
February 10, 2019, 11:55:30 amby Ritchie200 |
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20 Replies
8699 Views |
February 10, 2019, 07:36:34 am by sluckey |
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Princeton Reverb Tremelo tweaking
Started by Toxophilite |
1 Replies
3227 Views |
February 10, 2019, 12:56:53 am by Toxophilite |
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AO-39 to Spitfire Variant conversion
Started by vampwizzard |
23 Replies
10337 Views |
February 09, 2019, 05:14:04 pm by vampwizzard |
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V1 A and V1 B?
Started by Rockranger |
7 Replies
5061 Views |
February 09, 2019, 03:53:36 pm by Rockranger |
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champ transformer for 5e3
Started by Masterwaiter |
2 Replies
3958 Views |
February 09, 2019, 01:04:00 pm by Masterwaiter |
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2 Replies
3760 Views |
February 09, 2019, 07:43:36 am by chriscwill07 |
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1 Replies
4454 Views |
February 08, 2019, 04:16:01 pm by jjasilli |
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16 Replies
10941 Views |
February 08, 2019, 03:48:44 pm by jjasilli |
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13 Replies
6529 Views |
February 08, 2019, 02:59:33 pm by Colas LeGrippa |
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6 Replies
5554 Views |
February 08, 2019, 01:21:57 pm by shooter |
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Bassman 5f6a Attenuator light bulbs
Started by Willisamps |
3 Replies
4323 Views |
February 08, 2019, 10:35:29 am by jjasilli |
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"Stout" gain hiss and hum.
Started by Tapsnap |
1 Replies
3542 Views |
February 07, 2019, 09:24:46 pm by Tapsnap |
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5 Replies
5410 Views |
February 07, 2019, 02:31:07 pm by PRR |
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10 Replies
7878 Views |
February 07, 2019, 12:13:06 pm by turbofeedus |
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5 Replies
8261 Views |
February 06, 2019, 03:47:56 pm by byoungblood |
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Sunn 200S feedback
Started by mresistor |
7 Replies
7215 Views |
February 06, 2019, 03:14:18 pm by Willabe |
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THd Yellow Jackets schematic
Started by jgriff123 |
36 Replies
18674 Views |
February 06, 2019, 03:12:27 pm by sluckey |
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Heater wiring for a Silvertone 1482
Started by dbishopbliss |
11 Replies
7930 Views |
February 05, 2019, 03:57:19 pm by sluckey |
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Hammond AO-43 for 5E3 build
Started by g-man |
7 Replies
5296 Views |
February 05, 2019, 02:36:20 pm by dude |
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6v6 superbass ongoing project
Started by sith |
12 Replies
6476 Views |
February 05, 2019, 01:03:50 pm by jazjamr |
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Hoffman AB763 SR tremolo thump
Started by mresistor |
3 Replies
4105 Views |
February 05, 2019, 09:03:21 am by mresistor |
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10 Replies
6131 Views |
February 04, 2019, 08:35:12 pm by PRR |
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Bias Supply Source
Started by mwelch55 |
15 Replies
8662 Views |
February 04, 2019, 06:18:09 pm by jjasilli |
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"breadboarding" amps?
Started by toomanyslurpees |
28 Replies
19546 Views |
February 04, 2019, 08:10:57 am by 1blueheron |
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Variable resistor symbol in schematic?
Started by Papa Jim |
2 Replies
4063 Views |
February 04, 2019, 04:29:05 am by Papa Jim |
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3 Replies
4060 Views |
February 03, 2019, 05:32:09 pm by kagliostro |
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0 Replies
3339 Views |
February 03, 2019, 11:03:00 am by nandrewjackson |
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67 princeton reverb hum
Started by peteys123 |
2 Replies
3773 Views |
February 03, 2019, 10:51:09 am by peteys123 |
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Lacing up the turrets
Started by Tbone55 |
10 Replies
7374 Views |
February 02, 2019, 08:56:05 pm by Tbone55 |
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15 Replies
10626 Views |
February 02, 2019, 07:44:58 pm by jjasilli |
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5 Replies
6493 Views |
February 02, 2019, 10:45:22 am by jojokeo |
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Post cathode follower Dual Eq's
Started by nandrewjackson |
8 Replies
5616 Views |
February 02, 2019, 03:09:01 am by nandrewjackson |
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Blues Junior Schematics
Started by Apprentice |
4 Replies
11386 Views |
February 01, 2019, 03:50:53 am by Apprentice |
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24 Replies
11264 Views |
January 31, 2019, 08:51:49 pm by 1blueheron |
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Pre-Amp tube specs
Started by dearborndave |
2 Replies
3645 Views |
January 31, 2019, 01:34:07 pm by dearborndave |
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18 Replies
9634 Views |
January 31, 2019, 01:20:40 pm by PRR |
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Impedance question
Started by Leevi |
3 Replies
3660 Views |
January 31, 2019, 12:38:56 pm by Leevi |
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Dual Showman 4x12 combo
Started by clayman |
1 Replies
3394 Views |
January 31, 2019, 10:40:43 am by sluckey |
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Marshall Dual Reverb 4100 amp question
Started by mresistor |
17 Replies
7812 Views |
January 31, 2019, 06:46:34 am by mresistor |
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Blues Jr. Output Transformer Upgrade
Started by dearborndave |
4 Replies
5626 Views |
January 30, 2019, 04:07:39 pm by dearborndave |
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Bass Amp eating power tubes, remedies?
Started by Jonas |
14 Replies
7629 Views |
January 29, 2019, 07:57:03 pm by Ritchie200 |
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7591 Build.
Started by 8wattjack |
15 Replies
12975 Views |
January 29, 2019, 03:35:09 pm by sluckey |
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hookup for switch
Started by davidwpack |
4 Replies
4211 Views |
January 29, 2019, 01:55:50 pm by davidwpack |
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Volume Knob Thump
Started by JKRamsey1991 |
9 Replies
6464 Views |
January 29, 2019, 11:05:55 am by pdf64 |
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1 Replies
3919 Views |
January 29, 2019, 10:23:56 am by alathIN |
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4 Replies
5554 Views |
January 28, 2019, 07:56:37 pm by mechtonia |
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8 Replies
6168 Views |
January 28, 2019, 07:16:34 pm by PRR |
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275-0- 275 PT WITH DIODE RECTIFIER
Started by mikhett |
2 Replies
4016 Views |
January 28, 2019, 06:45:41 pm by mikhett |
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6g16 Clone
Started by 8wattjack |
3 Replies
4055 Views |
January 28, 2019, 04:26:55 pm by Glenn |
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