Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 08:04:40 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 08:04:40 pm | ||
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powerless sound caused by OT?
Started by Leevi |
7 Replies
2760 Views |
March 27, 2013, 07:30:44 pmby firemedic |
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bad tube or what
Started by Seegs |
16 Replies
5341 Views |
March 26, 2013, 08:58:46 pm by HotBluePlates |
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AB763 Dropping Resistors?
Started by ajeffcote |
7 Replies
5185 Views |
March 26, 2013, 12:52:39 pm by ajeffcote |
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Marshall JTM45 Combo design
Started by TuBo |
12 Replies
5979 Views |
March 25, 2013, 11:21:21 am by TuBo |
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HIWATT LEAD
Started by TIMBO |
5 Replies
2936 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
2293 Views |
March 25, 2013, 06:41:38 am by Colas LeGrippa |
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Cathode bias Plexi tuning
Started by SLW |
17 Replies
8279 Views |
March 24, 2013, 08:00:02 pm by SLW |
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Tube amp grounding
Started by BobbyS |
4 Replies
3454 Views |
March 24, 2013, 05:41:06 pm by BobbyS |
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where to put my pot?
Started by shooter |
4 Replies
2595 Views |
March 24, 2013, 02:25:03 pm by HotBluePlates |
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Push-Pull 12au7
Started by VMS |
7 Replies
9016 Views |
March 24, 2013, 08:14:15 am by VMS |
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6 Replies
4103 Views |
March 23, 2013, 10:55:43 am by kagliostro |
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6L6GC Load Resistance
Started by triplejjr |
6 Replies
10106 Views |
March 22, 2013, 06:53:37 pm by PRR |
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10 Replies
4439 Views |
March 22, 2013, 04:47:43 pm by loogie |
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5 Replies
5593 Views |
March 22, 2013, 07:34:04 am by HotBluePlates |
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Virgin 66 Pro Reverb
Started by Voxbox |
22 Replies
7226 Views |
March 21, 2013, 06:43:37 pm by HotBluePlates |
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Ceriatone 18w EF86 TMB
Started by shortfuse |
22 Replies
8961 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
3133 Views |
March 21, 2013, 01:16:57 am by kagliostro |
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16 Replies
5634 Views |
March 20, 2013, 11:43:54 pm by HotBluePlates |
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Boost pedal popping
Started by Madison |
11 Replies
3644 Views |
March 20, 2013, 11:03:10 pm by Madison |
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TOOB EF86 Recommendations
Started by Ed_Chambley |
4 Replies
2336 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
7687 Views |
March 19, 2013, 06:15:21 pm by Jack1962 |
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Bias Splitter Theory
Started by alerich |
2 Replies
2982 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
3909 Views |
March 19, 2013, 07:26:14 am by pbman1953 |
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A 6V6 in the Hand's Worth a 6L6 in the Bush
Started by jeff |
30 Replies
8373 Views |
March 18, 2013, 10:29:44 pm by DummyLoad |
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11 Replies
6361 Views |
March 18, 2013, 04:31:58 pm by kagliostro |
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Anybody heard of a Mark Sheets Amp?
Started by Platefire |
7 Replies
4273 Views |
March 18, 2013, 02:20:18 pm by Willabe |
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13 Replies
4698 Views |
March 18, 2013, 02:03:46 pm by Willabe |
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Hoffman stereo poweramp
Started by mule |
1 Replies
1883 Views |
March 18, 2013, 01:56:55 am by kagliostro |
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19 Replies
7581 Views |
March 17, 2013, 05:27:09 pm by Bluemeany |
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Is this schematic correct ?
Started by kagliostro |
2 Replies
1851 Views |
March 17, 2013, 03:39:55 pm by kagliostro |
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Power Amp Build Problem
Started by silverfox |
18 Replies
5476 Views |
March 17, 2013, 03:35:37 pm by silverfox |
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Cathode biased PR trem depth ?
Started by floyd |
13 Replies
4172 Views |
March 17, 2013, 01:14:23 pm by floyd |
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Another Revibe story
Started by sluckey |
8 Replies
3393 Views |
March 17, 2013, 09:34:45 am by punkykatt |
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Mid Boost
Started by dscottguitars |
2 Replies
2370 Views |
March 16, 2013, 05:40:20 pm by dscottguitars |
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2 Replies
2310 Views |
March 16, 2013, 05:06:56 pm by Platefire |
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8 Replies
3388 Views |
March 16, 2013, 02:11:07 pm by catnine |
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4 Replies
2425 Views |
March 16, 2013, 02:04:22 pm by sluckey |
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bias resisto question
Started by bakerlite |
2 Replies
2120 Views |
March 16, 2013, 12:04:34 pm by bakerlite |
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HT fuse location in circuit
Started by alerich |
17 Replies
13489 Views |
March 16, 2013, 10:04:00 am by alerich |
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4 Replies
2768 Views |
March 16, 2013, 02:15:04 am by kagliostro |
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6 Replies
2664 Views |
March 15, 2013, 09:11:03 am by 6G6 |
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Delta Blues bias riddle
Started by firemedic |
23 Replies
7604 Views |
March 14, 2013, 07:55:27 pm by plexi50 |
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3 Replies
2687 Views |
March 14, 2013, 01:51:32 pm by coreysan |
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Carvin XV-112E info
Started by firemedic |
8 Replies
6371 Views |
March 14, 2013, 01:35:36 pm by alerich |
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9 Replies
3983 Views |
March 13, 2013, 10:24:29 pm by HotBluePlates |
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2 Replies
1941 Views |
March 13, 2013, 05:58:23 pm by stratele52 |
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On these NFB circuits?
Started by catnine |
12 Replies
5251 Views |
March 13, 2013, 03:47:09 pm by catnine |
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5E5-A channel bleed
Started by punkykatt |
10 Replies
4041 Views |
March 13, 2013, 10:59:05 am by punkykatt |
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Ao-29 parts
Started by Seegs |
3 Replies
2506 Views |
March 13, 2013, 10:15:20 am by m3moser |
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4 Replies
4650 Views |
March 13, 2013, 08:14:39 am by HotBluePlates |
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