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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Built some ribbon mic's
Started by TubeGeek |
7 Replies
10355 Views |
December 31, 2013, 10:44:52 amby TubeGeek |
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any help with my Lab Series L7 ?
Started by smackoj |
14 Replies
15612 Views |
December 19, 2013, 08:30:45 pm by smackoj |
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Is this an inrush current limiter ??
Started by kagliostro |
2 Replies
6383 Views |
November 17, 2013, 07:06:06 am by kagliostro |
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Crate V100H Repair Thoughts
Started by LHPcope |
3 Replies
8366 Views |
October 26, 2013, 05:10:03 pm by LHPcope |
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Kawai KM 60 "POPPING!"
Started by TerryD |
1 Replies
7004 Views |
October 26, 2013, 05:00:08 pm by smackoj |
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PCMIA parallel port interface
Started by EL34 |
21 Replies
16308 Views |
October 11, 2013, 05:50:38 am by EL34 |
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MOSFET buffer
Started by Fresh_Start |
12 Replies
20329 Views |
October 01, 2013, 09:22:30 pm by jubal81 |
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8 Replies
10426 Views |
September 23, 2013, 02:52:52 pm by kagliostro |
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MORE RELAY SWITCHING
Started by TIMBO |
1 Replies
7285 Views |
September 22, 2013, 01:41:02 am by TIMBO |
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Ampeg BA 115 in for repair
Started by punkykatt |
2 Replies
9207 Views |
September 21, 2013, 03:07:13 pm by punkykatt |
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Ampeg V-6B SS amp repair
Started by LHPcope |
2 Replies
6596 Views |
September 14, 2013, 01:56:54 pm by LHPcope |
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Marantz 1030 led light help please
Started by TerryD |
14 Replies
13265 Views |
August 24, 2013, 09:25:20 pm by TerryD |
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Hartke HA5000 output module repair
Started by bobmegantz |
1 Replies
8048 Views |
August 07, 2013, 11:28:36 am by Jack1962 |
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Simulated load for Vreg
Started by rzenc |
32 Replies
15820 Views |
August 02, 2013, 11:10:14 pm by rzenc |
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Build a resistor decade box - cheap
Started by YVRTubeGeek |
1 Replies
6218 Views |
May 07, 2013, 10:59:01 am by jjasilli |
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5 Replies
10313 Views |
April 30, 2013, 01:08:45 am by kagliostro |
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2 Replies
8980 Views |
April 26, 2013, 09:12:03 am by spacelabstudio |
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4 Replies
7881 Views |
March 18, 2013, 03:37:07 am by smackoj |
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Anybody know anything about an SVT6 PRO?
Started by Davidg |
3 Replies
6659 Views |
March 18, 2013, 01:17:38 am by Jack1962 |
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Crate KBA-60 keyboard amp
Started by punkykatt |
9 Replies
12348 Views |
February 15, 2013, 08:52:00 am by punkykatt |
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Adding 5VDC relay to DC heater string
Started by alerich |
6 Replies
8909 Views |
February 14, 2013, 11:39:54 am by alerich |
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Just did a cap job on a Pignose - HA!
Started by LooseChange |
10 Replies
11669 Views |
January 29, 2013, 12:49:55 pm by PRR |
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2 Replies
6820 Views |
January 14, 2013, 07:37:24 am by smackoj |
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Vox Pathfinder assist, please...
Started by stratavox |
1 Replies
6075 Views |
January 13, 2013, 09:49:04 pm by smackoj |
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7 Replies
12086 Views |
December 30, 2012, 06:58:24 pm by Willabe |
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Acoustic 320 Inductors
Started by plexi50 |
7 Replies
9957 Views |
December 03, 2012, 05:13:50 am by plexi50 |
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Relays and how do you use them
Started by Ed_Chambley |
13 Replies
13161 Views |
November 05, 2012, 02:36:27 pm by EL34 |
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2 Replies
6686 Views |
October 23, 2012, 11:36:45 pm by phsyconoodler |
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VVR and SS inductors
Started by rzenc |
12 Replies
10676 Views |
October 11, 2012, 04:36:24 pm by Willabe |
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0 Replies
6486 Views |
October 09, 2012, 09:15:03 am by kagliostro |
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12v RELAY & HEATER CIRCUIT
Started by TIMBO |
5 Replies
8854 Views |
October 05, 2012, 12:43:14 am by TIMBO |
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Simultaneous relay switching ?
Started by tubenit |
45 Replies
25121 Views |
October 04, 2012, 01:38:21 pm by EL34 |
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1 Replies
6362 Views |
September 05, 2012, 10:10:25 pm by PRR |
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SS bass amp
Started by rzenc |
4 Replies
6916 Views |
August 22, 2012, 08:41:39 am by rzenc |
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0 Replies
5642 Views |
August 21, 2012, 08:52:14 am by frank57 |
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IRF820 REVERB FX
Started by TIMBO |
2 Replies
6855 Views |
August 05, 2012, 08:32:18 pm by tubenit |
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Loud hum from boombox
Started by punkykatt |
3 Replies
8500 Views |
July 30, 2012, 11:07:27 am by punkykatt |
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Sherwood stereo receiver S-7910 cuts out!
Started by TerryD |
5 Replies
8976 Views |
July 25, 2012, 08:27:03 am by TerryD |
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How do you test relays?
Started by six el six |
1 Replies
6630 Views |
July 20, 2012, 04:12:53 am by sluckey |
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BUILT IN FUZZ
Started by TIMBO |
7 Replies
9003 Views |
July 11, 2012, 03:09:14 pm by jojokeo |
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INFO PLEASE
Started by TIMBO |
2 Replies
6895 Views |
July 09, 2012, 11:56:38 pm by TIMBO |
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1 Replies
6911 Views |
June 14, 2012, 04:43:40 pm by jojokeo |
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BANDIT 112 TRANSTUBE
Started by Colas LeGrippa |
1 Replies
6720 Views |
June 14, 2012, 12:04:29 am by fdesalvo |
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top hat diodes & other mystery parts
Started by Frankenamp |
2 Replies
8491 Views |
June 03, 2012, 01:19:04 pm by Frankenamp |
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Changing supply power
Started by CCZ |
6 Replies
8884 Views |
May 17, 2012, 10:42:09 pm by PRR |
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decoupling between stages
Started by rzenc |
0 Replies
5762 Views |
April 29, 2012, 05:22:06 pm by rzenc |
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Binson PE603T echorec delay help
Started by bibi |
1 Replies
7849 Views |
April 23, 2012, 04:31:57 pm by PRR |
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blown fuse indicator
Started by stingray_65 |
8 Replies
11616 Views |
April 19, 2012, 02:03:37 pm by Shrapnel |
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6 Replies
8237 Views |
April 18, 2012, 03:30:37 pm by FranciscoPerez |
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IRF820 Stuff
Started by TIMBO |
8 Replies
12022 Views |
April 16, 2012, 11:53:39 am by tubenit |
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