Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 03:29:10 am
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 03:29:10 am | ||
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Concentric 250K 25K pots?
Started by p2pAmps |
6 Replies
6118 Views |
January 29, 2016, 09:34:14 amby mresistor |
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13 Replies
6771 Views |
January 28, 2016, 09:47:45 pm by PeaceMaker |
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53 Replies
18793 Views |
January 28, 2016, 05:41:14 pm by printer2 |
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'65 Fender Deluxe Reissue white noise
Started by dubele |
1 Replies
3145 Views |
January 28, 2016, 06:48:24 am by sluckey |
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Now.... My Twin-Completed
Started by p2pAmps |
39 Replies
11945 Views |
January 27, 2016, 10:36:12 pm by bnwitt |
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2 Replies
2909 Views |
January 27, 2016, 03:42:30 pm by Woodsmoke |
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3 Replies
3336 Views |
January 27, 2016, 11:21:39 am by Mike_J |
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10 Replies
4913 Views |
January 27, 2016, 09:48:32 am by drgonzonm |
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output transformer broken?
Started by prune |
4 Replies
4422 Views |
January 26, 2016, 06:06:53 pm by Paul1453 |
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14 Replies
7024 Views |
January 26, 2016, 04:08:43 pm by Ed_Chambley |
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Another Ground and Hiss Thread
Started by fiftynine |
5 Replies
3443 Views |
January 26, 2016, 02:47:36 pm by jjasilli |
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1973 silverface Deluxe
Started by rosincore |
4 Replies
3582 Views |
January 26, 2016, 04:56:02 am by rosincore |
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Is anyone familiar with these capacitors?
Started by Mike_J |
3 Replies
3087 Views |
January 25, 2016, 08:40:23 pm by HotBluePlates |
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Preamp Heater Wires
Started by fiftynine |
10 Replies
7076 Views |
January 25, 2016, 06:04:21 pm by shooter |
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7 Replies
19505 Views |
January 25, 2016, 03:54:12 pm by kagliostro |
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Having a faceplate made
Started by dude |
10 Replies
6007 Views |
January 25, 2016, 12:50:46 pm by birt |
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small crappy 10W SS amp conversion
Started by Paul1453 |
17 Replies
5913 Views |
January 25, 2016, 12:45:14 pm by Paul1453 |
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Shared Cathode R-C Networks?
Started by Fresh_Start |
4 Replies
3958 Views |
January 25, 2016, 11:42:55 am by jjasilli |
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Dumble mods to AB763 circuits
Started by dunner84 |
5 Replies
19780 Views |
January 25, 2016, 07:58:28 am by Mike_J |
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11 Replies
5060 Views |
January 25, 2016, 12:52:55 am by kagliostro |
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Fender reverb in both channels methods
Started by p2pAmps |
27 Replies
14561 Views |
January 24, 2016, 08:22:33 pm by Mike_J |
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Presence / NFB matched to output jack
Started by jojokeo |
20 Replies
9859 Views |
January 24, 2016, 07:07:18 pm by jojokeo |
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10 Replies
4221 Views |
January 24, 2016, 05:14:39 pm by kagliostro |
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7 Replies
7061 Views |
January 24, 2016, 10:29:49 am by Paul1453 |
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1 Replies
2958 Views |
January 23, 2016, 04:45:03 pm by DummyLoad |
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question on biasing a Marshall JCM 800
Started by markmalin |
8 Replies
6890 Views |
January 23, 2016, 02:57:54 pm by mresistor |
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Oliver Sound G-300 Amp Head.....
Started by Jack_Hester |
40 Replies
12604 Views |
January 22, 2016, 05:18:15 pm by Jack_Hester |
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4 Replies
4818 Views |
January 22, 2016, 03:49:50 pm by PRR |
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2 Replies
3212 Views |
January 22, 2016, 03:43:39 pm by chocopower |
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13 Replies
5371 Views |
January 22, 2016, 08:59:38 am by hesamadman |
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A confusing power tube configuration
Started by kagliostro |
4 Replies
2884 Views |
January 21, 2016, 12:26:43 pm by kagliostro |
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Charred OT Primary at Tube Base
Started by fiftynine |
8 Replies
4661 Views |
January 21, 2016, 08:29:41 am by fiftynine |
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0 Replies
2903 Views |
January 20, 2016, 07:46:49 pm by silverfox |
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53 Replies
15882 Views |
January 20, 2016, 08:25:07 am by rosincore |
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18 watt Marshall type circuit.
Started by guitardude57 |
24 Replies
13141 Views |
January 19, 2016, 10:03:52 pm by drew |
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5 Replies
3499 Views |
January 19, 2016, 03:35:13 pm by MFowler |
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4 Replies
3825 Views |
January 19, 2016, 02:41:25 pm by Fresh_Start |
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16 Replies
11303 Views |
January 18, 2016, 05:24:39 pm by Paul1453 |
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1 channel AB763 chassis size
Started by dunner84 |
9 Replies
4089 Views |
January 18, 2016, 02:33:31 pm by DummyLoad |
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New 5f2a build oscillation Issue
Started by dunner84 |
36 Replies
10583 Views |
January 17, 2016, 01:10:11 pm by Paul1453 |
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Fender reverb unit
Started by Big chief |
6 Replies
3775 Views |
January 16, 2016, 06:32:12 pm by Mike_J |
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Sparks flying in power tubes...
Started by markmalin |
27 Replies
16887 Views |
January 16, 2016, 03:48:46 pm by markmalin |
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31 Replies
12642 Views |
January 16, 2016, 12:47:40 pm by silverfox |
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Salvaged Transformer Help
Started by ncusack |
7 Replies
5321 Views |
January 15, 2016, 08:00:18 am by eleventeen |
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746 Replies
268290 Views |
January 14, 2016, 03:49:18 pm by sluckey |
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18 Replies
16882 Views |
January 14, 2016, 01:20:42 pm by jane_t steele |
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Matchless Spitfire Build Troubleshooting
Started by silendt |
31 Replies
17783 Views |
January 14, 2016, 12:31:26 am by MFowler |
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4 gain stage comparison
Started by tubenit |
12 Replies
6646 Views |
January 13, 2016, 11:39:31 pm by PRR |
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4 Replies
3230 Views |
January 13, 2016, 11:22:50 pm by bbbbass |
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princeton reverb AA1164 new build
Started by khansen810 |
3 Replies
2985 Views |
January 12, 2016, 06:35:05 pm by EL34 |
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