Welcome To the Hoffman Amplifiers Forum
September 05, 2025, 04:37:42 pm
Welcome To the Hoffman Amplifiers ForumSeptember 05, 2025, 04:37:42 pm | ||
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replacement transistors ?
Started by worth |
6 Replies
9383 Views |
November 22, 2011, 06:32:19 pmby plexi50 |
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Gibson G 30 schematic issue
Started by ThermionicEngine |
2 Replies
4827 Views |
November 06, 2011, 08:57:36 pm by PRR |
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Marshall 75 Reverb
Started by TerryD |
1 Replies
5008 Views |
November 06, 2011, 03:23:38 pm by stratele52 |
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Switching or Signal Transistors
Started by plexi50 |
1 Replies
4213 Views |
October 27, 2011, 05:09:21 pm by sluckey |
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Transistor Testing NPN & PNP Video
Started by plexi50 |
2 Replies
5220 Views |
October 26, 2011, 11:50:51 pm by PRR |
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TO-220 Transistor Impedance
Started by plexi50 |
3 Replies
4730 Views |
October 26, 2011, 03:29:30 pm by sluckey |
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9 Replies
11063 Views |
October 11, 2011, 09:18:34 pm by bigsbybender |
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1 Replies
3879 Views |
September 29, 2011, 05:37:59 pm by PRR |
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4 Replies
5094 Views |
September 26, 2011, 10:59:55 am by Willabe |
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12 Replies
9039 Views |
September 03, 2011, 04:56:01 am by stratele52 |
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3 Replies
5136 Views |
August 16, 2011, 11:23:48 am by stingray_65 |
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80's Randall RRM 2-120
Started by bbirling |
9 Replies
8331 Views |
August 16, 2011, 06:52:03 am by bbirling |
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motorola diode
Started by kwm488 |
12 Replies
7538 Views |
August 10, 2011, 01:57:10 pm by kwm488 |
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Line level 1:1 transformer.
Started by bigsbybender |
2 Replies
4427 Views |
August 06, 2011, 01:57:30 am by bigsbybender |
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4 Replies
13162 Views |
July 19, 2011, 10:32:52 pm by bigsbybender |
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Which jack is four ohms ?
Started by dude |
8 Replies
6262 Views |
July 17, 2011, 08:53:49 pm by PRR |
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DC Voltage supply using Zener Diodes
Started by TIMBO |
11 Replies
9365 Views |
July 12, 2011, 12:46:43 am by TIMBO |
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Stereo line mixer questions
Started by EL34 |
5 Replies
5523 Views |
July 11, 2011, 08:38:47 am by EL34 |
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relay question
Started by John |
10 Replies
7848 Views |
July 09, 2011, 09:12:26 am by John |
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Transistor replacement
Started by bigsbybender |
2 Replies
4038 Views |
July 06, 2011, 12:54:59 pm by bigsbybender |
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12 Replies
14483 Views |
May 29, 2011, 02:28:22 pm by TIMBO |
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Line Mixer question...
Started by G._Hoffman |
4 Replies
4782 Views |
May 28, 2011, 02:06:52 pm by G._Hoffman |
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Crate G130CXL
Started by punkykatt |
3 Replies
7087 Views |
May 23, 2011, 12:28:22 pm by punkykatt |
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Noisy transistor organ output
Started by bibi |
3 Replies
5090 Views |
May 22, 2011, 04:23:59 am by bibi |
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Building a relay switching circuit
Started by JustMike |
6 Replies
7560 Views |
May 21, 2011, 11:57:43 am by JustMike |
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Digidesign Mbox2 Schematic?
Started by gar13 |
0 Replies
4486 Views |
May 13, 2011, 10:14:12 pm by gar13 |
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MOSFET GAIN STAGE
Started by phsyconoodler |
2 Replies
5125 Views |
May 10, 2011, 10:05:02 pm by Fresh_Start |
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National Semiconductor Samples
Started by Eulipian |
1 Replies
3851 Views |
May 10, 2011, 02:19:27 am by DummyLoad |
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Should I try repairing SS amps?
Started by Platefire |
7 Replies
5968 Views |
May 01, 2011, 05:37:39 pm by Jack1962 |
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10 Replies
7023 Views |
April 28, 2011, 01:07:53 pm by jjasilli |
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11 Replies
6653 Views |
April 25, 2011, 09:20:57 pm by zendragon63 |
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0 Replies
3766 Views |
April 20, 2011, 07:37:19 pm by TerryD |
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RELAY CIRCUIT
Started by TIMBO |
5 Replies
4706 Views |
April 12, 2011, 02:13:40 pm by TIMBO |
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5 Replies
5528 Views |
March 26, 2011, 04:15:52 pm by Willabe |
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1 Replies
5776 Views |
March 24, 2011, 05:49:19 pm by Willabe |
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How to set bias of JFET
Started by embotone |
2 Replies
6760 Views |
March 19, 2011, 11:57:11 am by embotone |
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5 Replies
10664 Views |
March 15, 2011, 11:06:26 am by jerrydyer |
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11 Replies
9176 Views |
March 15, 2011, 11:03:56 am by jerrydyer |
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3 Replies
4110 Views |
February 28, 2011, 01:11:23 pm by TerryD |
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SS PCB Cracked Trace Detection?
Started by plexi50 |
3 Replies
4204 Views |
February 28, 2011, 01:02:33 pm by thermion |
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2 Replies
3873 Views |
February 26, 2011, 05:26:35 pm by TerryD |
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9 Replies
7966 Views |
February 26, 2011, 12:59:29 pm by TerryD |
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2 Replies
3933 Views |
February 25, 2011, 06:14:10 am by FranciscoPerez |
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R Keen Mosfet Power Tube Driver
Started by spacelabstudio |
1 Replies
5555 Views |
February 14, 2011, 10:51:07 am by 38Super |
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Where's the notch?
Started by firemedic |
7 Replies
5499 Views |
February 07, 2011, 11:42:39 am by firemedic |
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Relay circuit on my 2204 build
Started by MVDW |
7 Replies
6844 Views |
February 06, 2011, 03:06:44 pm by alerich |
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Ampeg matched transistors
Started by Tiny_Daddy |
1 Replies
3639 Views |
February 03, 2011, 08:23:57 pm by Tiny_Daddy |
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3 Replies
4339 Views |
February 03, 2011, 11:51:23 am by kagliostro |
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3 Replies
9632 Views |
January 30, 2011, 03:25:57 am by kagliostro |
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2 Replies
4361 Views |
January 30, 2011, 02:36:34 am by G._Hoffman |
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