Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 08:08:02 am
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 08:08:02 am | ||
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6 Replies
4044 Views |
April 07, 2013, 10:23:55 pmby DummyLoad |
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Low watt amp power supply, design problems.
Started by rob_h |
13 Replies
6846 Views |
April 06, 2013, 09:41:52 pm by rob_h |
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6 Replies
8600 Views |
April 05, 2013, 09:24:39 pm by alerich |
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0 Replies
2356 Views |
April 05, 2013, 06:05:03 pm by tubenit |
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3 Replies
4465 Views |
April 05, 2013, 04:10:34 pm by Scsoul |
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HELP!! ENGL Powerball trouble.
Started by trikmorgan |
29 Replies
15285 Views |
April 05, 2013, 10:29:09 am by punkykatt |
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4 Replies
4491 Views |
April 04, 2013, 11:21:14 pm by DummyLoad |
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EL90 alternatives
Started by teletubbie |
4 Replies
9644 Views |
April 04, 2013, 09:27:20 pm by HotBluePlates |
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Reducing the FIZZ and BUZZ
Started by TIMBO |
6 Replies
4255 Views |
April 04, 2013, 05:17:23 am by tubenit |
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Ampeg VT22 V4
Started by shortfuse |
11 Replies
6934 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
3426 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
4369 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
7090 Views |
April 03, 2013, 07:45:19 am by Ed_Chambley |
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2 Replies
5027 Views |
April 03, 2013, 02:45:20 am by kagliostro |
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Choke orientation
Started by alerich |
25 Replies
13410 Views |
April 03, 2013, 12:14:50 am by jojokeo |
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Dumble Distortion Circuit Design
Started by silverfox |
11 Replies
8956 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
4812 Views |
April 01, 2013, 11:01:27 am by BarryW |
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52 Replies
18235 Views |
March 31, 2013, 07:04:36 pm by HotBluePlates |
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PLEXI 6V6 With OD
Started by TIMBO |
3 Replies
3190 Views |
March 31, 2013, 06:49:33 pm by tubenit |
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44 Replies
16873 Views |
March 30, 2013, 04:15:18 pm by SILVERGUN |
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2 Replies
6309 Views |
March 30, 2013, 06:31:30 am by kagliostro |
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New Power Amp Build
Started by silverfox |
6 Replies
4351 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
3953 Views |
March 29, 2013, 08:02:54 pm by jeff |
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Problem with pots
Started by ericlen838 |
4 Replies
3213 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
3922 Views |
March 28, 2013, 05:13:24 pm by six_eight |
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Pro reverb tremolo problem
Started by Underwood |
7 Replies
3980 Views |
March 28, 2013, 03:08:57 pm by punkykatt |
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Pro reverb vibrato noise
Started by Underwood |
0 Replies
2794 Views |
March 28, 2013, 10:31:41 am by Underwood |
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powerless sound caused by OT?
Started by Leevi |
7 Replies
3573 Views |
March 27, 2013, 07:30:44 pm by firemedic |
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bad tube or what
Started by Seegs |
16 Replies
7035 Views |
March 26, 2013, 08:58:46 pm by HotBluePlates |
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AB763 Dropping Resistors?
Started by ajeffcote |
7 Replies
6329 Views |
March 26, 2013, 12:52:39 pm by ajeffcote |
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Marshall JTM45 Combo design
Started by TuBo |
12 Replies
7260 Views |
March 25, 2013, 11:21:21 am by TuBo |
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HIWATT LEAD
Started by TIMBO |
5 Replies
4114 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
3169 Views |
March 25, 2013, 06:41:38 am by Colas LeGrippa |
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Cathode bias Plexi tuning
Started by SLW |
17 Replies
10022 Views |
March 24, 2013, 08:00:02 pm by SLW |
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Tube amp grounding
Started by BobbyS |
4 Replies
4418 Views |
March 24, 2013, 05:41:06 pm by BobbyS |
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where to put my pot?
Started by shooter |
4 Replies
3599 Views |
March 24, 2013, 02:25:03 pm by HotBluePlates |
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Push-Pull 12au7
Started by VMS |
7 Replies
10393 Views |
March 24, 2013, 08:14:15 am by VMS |
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6 Replies
5268 Views |
March 23, 2013, 10:55:43 am by kagliostro |
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6L6GC Load Resistance
Started by triplejjr |
6 Replies
11818 Views |
March 22, 2013, 06:53:37 pm by PRR |
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10 Replies
5704 Views |
March 22, 2013, 04:47:43 pm by loogie |
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5 Replies
6859 Views |
March 22, 2013, 07:34:04 am by HotBluePlates |
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Virgin 66 Pro Reverb
Started by Voxbox |
22 Replies
9534 Views |
March 21, 2013, 06:43:37 pm by HotBluePlates |
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Ceriatone 18w EF86 TMB
Started by shortfuse |
22 Replies
11332 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
4008 Views |
March 21, 2013, 01:16:57 am by kagliostro |
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16 Replies
7254 Views |
March 20, 2013, 11:43:54 pm by HotBluePlates |
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Boost pedal popping
Started by Madison |
11 Replies
4786 Views |
March 20, 2013, 11:03:10 pm by Madison |
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TOOB EF86 Recommendations
Started by Ed_Chambley |
4 Replies
3205 Views |
March 20, 2013, 07:27:19 pm by Davidg |
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loud hum on Krank Revolution 1
Started by Jack1962 |
13 Replies
9293 Views |
March 19, 2013, 06:15:21 pm by Jack1962 |
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Bias Splitter Theory
Started by alerich |
2 Replies
3874 Views |
March 19, 2013, 11:10:20 am by alerich |
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need a source for 6KG6A/ EL509 tubes
Started by pbman1953 |
7 Replies
4832 Views |
March 19, 2013, 07:26:14 am by pbman1953 |
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