Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 06:14:46 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 06:14:46 am | ||
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Flameproof resistors question
Started by kagliostro |
2 Replies
2510 Views |
April 09, 2013, 03:59:52 pmby kagliostro |
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another trem problem
Started by floyd |
22 Replies
7322 Views |
April 09, 2013, 02:57:59 pm by sluckey |
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Is this an UL Power Amp or not ?
Started by kagliostro |
9 Replies
3678 Views |
April 09, 2013, 12:26:45 pm by kagliostro |
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Secret of the big headroom?
Started by Leevi |
12 Replies
4400 Views |
April 09, 2013, 09:19:11 am by Leevi |
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6 Replies
3354 Views |
April 07, 2013, 10:23:55 pm by DummyLoad |
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Low watt amp power supply, design problems.
Started by rob_h |
13 Replies
5996 Views |
April 06, 2013, 09:41:52 pm by rob_h |
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6 Replies
7775 Views |
April 05, 2013, 09:24:39 pm by alerich |
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0 Replies
1839 Views |
April 05, 2013, 06:05:03 pm by tubenit |
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3 Replies
3873 Views |
April 05, 2013, 04:10:34 pm by Scsoul |
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HELP!! ENGL Powerball trouble.
Started by trikmorgan |
29 Replies
14106 Views |
April 05, 2013, 10:29:09 am by punkykatt |
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4 Replies
3817 Views |
April 04, 2013, 11:21:14 pm by DummyLoad |
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EL90 alternatives
Started by teletubbie |
4 Replies
8767 Views |
April 04, 2013, 09:27:20 pm by HotBluePlates |
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Reducing the FIZZ and BUZZ
Started by TIMBO |
6 Replies
3552 Views |
April 04, 2013, 05:17:23 am by tubenit |
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Ampeg VT22 V4
Started by shortfuse |
11 Replies
5968 Views |
April 03, 2013, 09:40:57 pm by PRR |
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D'Mars ODS & FX (non-5879)
Started by tubenit |
1 Replies
2782 Views |
April 03, 2013, 11:35:22 am by SILVERGUN |
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ampeg build, M12,R12R reverbrocket.
Started by Tom_Hull |
5 Replies
3684 Views |
April 03, 2013, 07:48:59 am by Tom_Hull |
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6L6's in Princeton clone
Started by frankeg |
10 Replies
6247 Views |
April 03, 2013, 07:45:19 am by Ed_Chambley |
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2 Replies
4418 Views |
April 03, 2013, 02:45:20 am by kagliostro |
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Choke orientation
Started by alerich |
25 Replies
12031 Views |
April 03, 2013, 12:14:50 am by jojokeo |
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Dumble Distortion Circuit Design
Started by silverfox |
11 Replies
7934 Views |
April 02, 2013, 05:49:47 pm by jazbo8 |
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Carolina Blues Special build for a friend
Started by BarryW |
7 Replies
4144 Views |
April 01, 2013, 11:01:27 am by BarryW |
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52 Replies
15097 Views |
March 31, 2013, 07:04:36 pm by HotBluePlates |
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PLEXI 6V6 With OD
Started by TIMBO |
3 Replies
2687 Views |
March 31, 2013, 06:49:33 pm by tubenit |
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44 Replies
14639 Views |
March 30, 2013, 04:15:18 pm by SILVERGUN |
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2 Replies
5651 Views |
March 30, 2013, 06:31:30 am by kagliostro |
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New Power Amp Build
Started by silverfox |
6 Replies
3533 Views |
March 29, 2013, 09:32:55 pm by HotBluePlates |
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72 Quad Reverb heater wires crossed?
Started by Mars-Hall |
6 Replies
3257 Views |
March 29, 2013, 08:02:54 pm by jeff |
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Problem with pots
Started by ericlen838 |
4 Replies
2567 Views |
March 29, 2013, 10:15:53 am by stratele52 |
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Schematic for National Glenwood 2x12
Started by six_eight |
3 Replies
3290 Views |
March 28, 2013, 05:13:24 pm by six_eight |
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Pro reverb tremolo problem
Started by Underwood |
7 Replies
3299 Views |
March 28, 2013, 03:08:57 pm by punkykatt |
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Pro reverb vibrato noise
Started by Underwood |
0 Replies
2195 Views |
March 28, 2013, 10:31:41 am by Underwood |
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powerless sound caused by OT?
Started by Leevi |
7 Replies
2978 Views |
March 27, 2013, 07:30:44 pm by firemedic |
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bad tube or what
Started by Seegs |
16 Replies
5925 Views |
March 26, 2013, 08:58:46 pm by HotBluePlates |
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AB763 Dropping Resistors?
Started by ajeffcote |
7 Replies
5516 Views |
March 26, 2013, 12:52:39 pm by ajeffcote |
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Marshall JTM45 Combo design
Started by TuBo |
12 Replies
6352 Views |
March 25, 2013, 11:21:21 am by TuBo |
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HIWATT LEAD
Started by TIMBO |
5 Replies
3321 Views |
March 25, 2013, 10:48:32 am by SILVERGUN |
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P/P plate driven issue
Started by Colas LeGrippa |
4 Replies
2528 Views |
March 25, 2013, 06:41:38 am by Colas LeGrippa |
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Cathode bias Plexi tuning
Started by SLW |
17 Replies
8819 Views |
March 24, 2013, 08:00:02 pm by SLW |
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Tube amp grounding
Started by BobbyS |
4 Replies
3761 Views |
March 24, 2013, 05:41:06 pm by BobbyS |
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where to put my pot?
Started by shooter |
4 Replies
2892 Views |
March 24, 2013, 02:25:03 pm by HotBluePlates |
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Push-Pull 12au7
Started by VMS |
7 Replies
9477 Views |
March 24, 2013, 08:14:15 am by VMS |
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6 Replies
4452 Views |
March 23, 2013, 10:55:43 am by kagliostro |
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6L6GC Load Resistance
Started by triplejjr |
6 Replies
10708 Views |
March 22, 2013, 06:53:37 pm by PRR |
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10 Replies
4808 Views |
March 22, 2013, 04:47:43 pm by loogie |
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5 Replies
5961 Views |
March 22, 2013, 07:34:04 am by HotBluePlates |
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Virgin 66 Pro Reverb
Started by Voxbox |
22 Replies
8036 Views |
March 21, 2013, 06:43:37 pm by HotBluePlates |
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Ceriatone 18w EF86 TMB
Started by shortfuse |
22 Replies
9795 Views |
March 21, 2013, 10:42:14 am by jojokeo |
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TA and TU for pcl86 amp question
Started by kagliostro |
4 Replies
3395 Views |
March 21, 2013, 01:16:57 am by kagliostro |
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16 Replies
6182 Views |
March 20, 2013, 11:43:54 pm by HotBluePlates |
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Boost pedal popping
Started by Madison |
11 Replies
4031 Views |
March 20, 2013, 11:03:10 pm by Madison |
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