Welcome To the Hoffman Amplifiers Forum
July 25, 2026, 09:10:38 am
Welcome To the Hoffman Amplifiers ForumJuly 25, 2026, 09:10:38 am | ||
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Multiple regulated supply
Started by rzenc |
2 Replies
6459 Views |
April 12, 2012, 10:29:00 amby rzenc |
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5v relay PCB?
Started by Willabe |
14 Replies
12439 Views |
March 09, 2012, 05:16:13 pm by EL34 |
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6 Replies
11165 Views |
March 09, 2012, 05:21:21 am by EL34 |
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stompbox-sized guitar heads from E-H
Started by burt_toast |
1 Replies
6301 Views |
February 20, 2012, 11:39:09 pm by Platefire |
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Damm relay question
Started by LETHAL |
23 Replies
17756 Views |
February 01, 2012, 06:33:40 am by John |
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kustom amp
Started by billcreller |
9 Replies
12628 Views |
January 21, 2012, 12:21:36 am by jjackson7 |
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4 Replies
8846 Views |
January 09, 2012, 01:34:26 pm by PRR |
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Randall RG 80 112 SC Channel Bleed
Started by alerich |
2 Replies
12026 Views |
December 19, 2011, 09:50:09 pm by alerich |
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2 Replies
7152 Views |
December 14, 2011, 07:44:43 pm by Pastortom |
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In circuit testing ?
Started by worth |
1 Replies
6211 Views |
November 28, 2011, 11:30:32 am by sluckey |
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Solitaire KM 201 Transistor
Started by plexi50 |
28 Replies
23580 Views |
November 26, 2011, 08:38:23 pm by plexi50 |
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replacement transistors ?
Started by worth |
6 Replies
12057 Views |
November 22, 2011, 06:32:19 pm by plexi50 |
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Gibson G 30 schematic issue
Started by ThermionicEngine |
2 Replies
7998 Views |
November 06, 2011, 08:57:36 pm by PRR |
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Marshall 75 Reverb
Started by TerryD |
1 Replies
7358 Views |
November 06, 2011, 03:23:38 pm by stratele52 |
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Switching or Signal Transistors
Started by plexi50 |
1 Replies
6373 Views |
October 27, 2011, 05:09:21 pm by sluckey |
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Transistor Testing NPN & PNP Video
Started by plexi50 |
2 Replies
8021 Views |
October 26, 2011, 11:50:51 pm by PRR |
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TO-220 Transistor Impedance
Started by plexi50 |
3 Replies
7546 Views |
October 26, 2011, 03:29:30 pm by sluckey |
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9 Replies
16151 Views |
October 11, 2011, 09:18:34 pm by bigsbybender |
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1 Replies
6289 Views |
September 29, 2011, 05:37:59 pm by PRR |
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4 Replies
7502 Views |
September 26, 2011, 10:59:55 am by Willabe |
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12 Replies
12727 Views |
September 03, 2011, 04:56:01 am by stratele52 |
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3 Replies
7241 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
11478 Views |
August 16, 2011, 06:52:03 am by bbirling |
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motorola diode
Started by kwm488 |
12 Replies
11702 Views |
August 10, 2011, 01:57:10 pm by kwm488 |
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Line level 1:1 transformer.
Started by bigsbybender |
2 Replies
6800 Views |
August 06, 2011, 01:57:30 am by bigsbybender |
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4 Replies
16053 Views |
July 19, 2011, 10:32:52 pm by bigsbybender |
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Which jack is four ohms ?
Started by dude |
8 Replies
9549 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
13756 Views |
July 12, 2011, 12:46:43 am by TIMBO |
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Stereo line mixer questions
Started by EL34 |
5 Replies
8847 Views |
July 11, 2011, 08:38:47 am by EL34 |
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relay question
Started by John |
10 Replies
11679 Views |
July 09, 2011, 09:12:26 am by John |
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Transistor replacement
Started by bigsbybender |
2 Replies
6308 Views |
July 06, 2011, 12:54:59 pm by bigsbybender |
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12 Replies
18290 Views |
May 29, 2011, 02:28:22 pm by TIMBO |
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Line Mixer question...
Started by G._Hoffman |
4 Replies
7140 Views |
May 28, 2011, 02:06:52 pm by G._Hoffman |
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Crate G130CXL
Started by punkykatt |
3 Replies
9716 Views |
May 23, 2011, 12:28:22 pm by punkykatt |
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Noisy transistor organ output
Started by bibi |
3 Replies
7817 Views |
May 22, 2011, 04:23:59 am by bibi |
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Building a relay switching circuit
Started by JustMike |
6 Replies
10870 Views |
May 21, 2011, 11:57:43 am by JustMike |
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Digidesign Mbox2 Schematic?
Started by gar13 |
0 Replies
7155 Views |
May 13, 2011, 10:14:12 pm by gar13 |
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MOSFET GAIN STAGE
Started by phsyconoodler |
2 Replies
8673 Views |
May 10, 2011, 10:05:02 pm by Fresh_Start |
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National Semiconductor Samples
Started by Eulipian |
1 Replies
6451 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
9643 Views |
May 01, 2011, 05:37:39 pm by Jack1962 |
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10 Replies
11160 Views |
April 28, 2011, 01:07:53 pm by jjasilli |
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11 Replies
9750 Views |
April 25, 2011, 09:20:57 pm by zendragon63 |
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0 Replies
6339 Views |
April 20, 2011, 07:37:19 pm by TerryD |
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RELAY CIRCUIT
Started by TIMBO |
5 Replies
7733 Views |
April 12, 2011, 02:13:40 pm by TIMBO |
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5 Replies
9083 Views |
March 26, 2011, 04:15:52 pm by Willabe |
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1 Replies
9069 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
9060 Views |
March 19, 2011, 11:57:11 am by embotone |
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5 Replies
14980 Views |
March 15, 2011, 11:06:26 am by jerrydyer |
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11 Replies
12975 Views |
March 15, 2011, 11:03:56 am by jerrydyer |
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3 Replies
6508 Views |
February 28, 2011, 01:11:23 pm by TerryD |
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