Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 04:33:53 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 04:33:53 pm | ||
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Charred OT Primary at Tube Base
Started by fiftynine |
8 Replies
5261 Views |
January 21, 2016, 08:29:41 amby fiftynine |
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0 Replies
3344 Views |
January 20, 2016, 07:46:49 pm by silverfox |
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53 Replies
18259 Views |
January 20, 2016, 08:25:07 am by rosincore |
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18 watt Marshall type circuit.
Started by guitardude57 |
24 Replies
14142 Views |
January 19, 2016, 10:03:52 pm by drew |
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5 Replies
4064 Views |
January 19, 2016, 03:35:13 pm by MFowler |
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4 Replies
4334 Views |
January 19, 2016, 02:41:25 pm by Fresh_Start |
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16 Replies
12170 Views |
January 18, 2016, 05:24:39 pm by Paul1453 |
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1 channel AB763 chassis size
Started by dunner84 |
9 Replies
4601 Views |
January 18, 2016, 02:33:31 pm by DummyLoad |
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New 5f2a build oscillation Issue
Started by dunner84 |
36 Replies
11416 Views |
January 17, 2016, 01:10:11 pm by Paul1453 |
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Fender reverb unit
Started by Big chief |
6 Replies
4429 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
18183 Views |
January 16, 2016, 03:48:46 pm by markmalin |
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31 Replies
13909 Views |
January 16, 2016, 12:47:40 pm by silverfox |
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Salvaged Transformer Help
Started by ncusack |
7 Replies
5902 Views |
January 15, 2016, 08:00:18 am by eleventeen |
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746 Replies
307684 Views |
January 14, 2016, 03:49:18 pm by sluckey |
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18 Replies
17665 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
18821 Views |
January 14, 2016, 12:31:26 am by MFowler |
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4 gain stage comparison
Started by tubenit |
12 Replies
7401 Views |
January 13, 2016, 11:39:31 pm by PRR |
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4 Replies
3766 Views |
January 13, 2016, 11:22:50 pm by bbbbass |
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princeton reverb AA1164 new build
Started by khansen810 |
3 Replies
3481 Views |
January 12, 2016, 06:35:05 pm by EL34 |
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Speaker jack mod
Started by Jerzey2222 |
16 Replies
5596 Views |
January 12, 2016, 01:25:05 pm by MFowler |
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Some pointers on my breadboard?
Started by hesamadman |
5 Replies
3907 Views |
January 11, 2016, 08:38:44 pm by Paul1453 |
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Input jacks Fender style
Started by uki |
10 Replies
10305 Views |
January 10, 2016, 10:34:29 pm by uki |
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Bogen MX30A tweaker amp
Started by glassesnvests |
19 Replies
10193 Views |
January 10, 2016, 01:44:05 pm by PRR |
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Fixed bias help
Started by goldstache |
6 Replies
3632 Views |
January 10, 2016, 09:47:04 am by goldstache |
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OP Amp EQ circuit for Tube Amp
Started by silverfox |
12 Replies
6964 Views |
January 09, 2016, 02:39:18 pm by silverfox |
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Whistling causes
Started by Paul1453 |
22 Replies
9656 Views |
January 09, 2016, 10:48:06 am by Paul1453 |
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One Tube 6GW8 Reverb
Started by TIMBO |
2 Replies
6245 Views |
January 09, 2016, 06:46:36 am by tubenit |
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Excessive heat and venting
Started by hesamadman |
18 Replies
7437 Views |
January 08, 2016, 09:06:39 pm by PRR |
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2 Replies
3141 Views |
January 07, 2016, 01:14:07 pm by Skip Hagey |
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KT66 Push Pull Output Transformer
Started by Ed_Chambley |
21 Replies
19204 Views |
January 07, 2016, 12:58:34 pm by Paul1453 |
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13 Replies
6486 Views |
January 07, 2016, 06:03:09 am by EL34 |
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2 Replies
3942 Views |
January 06, 2016, 06:08:33 pm by PRR |
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PT ?
Started by okguitarman |
2 Replies
2964 Views |
January 04, 2016, 10:22:02 pm by okguitarman |
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Troublesome silverface Champ
Started by alange5 |
12 Replies
7850 Views |
January 04, 2016, 10:00:12 pm by PRR |
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15 Replies
18220 Views |
January 04, 2016, 03:17:42 pm by shooter |
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iron from an ECLL800 amp
Started by birt |
16 Replies
13890 Views |
January 03, 2016, 04:19:37 pm by kagliostro |
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Is this dangerous?
Started by TerryD |
3 Replies
3740 Views |
January 03, 2016, 03:35:17 pm by TerryD |
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SE KT66 amp - which OT?
Started by Pete1950 |
15 Replies
11331 Views |
January 03, 2016, 11:17:33 am by shooter |
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4 Replies
3974 Views |
January 02, 2016, 07:28:10 pm by TubeGeek |
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Princeton build from he!!
Started by ElPedro |
4 Replies
3678 Views |
January 02, 2016, 08:33:03 am by HotBluePlates |
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OT Primary to Secondary ratio
Started by Willabe |
8 Replies
4230 Views |
January 02, 2016, 08:21:51 am by HotBluePlates |
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4 Replies
4414 Views |
January 01, 2016, 06:39:22 pm by PRR |
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6V6 plexi (with 18 watt preamp) question
Started by dude |
10 Replies
6404 Views |
January 01, 2016, 07:36:46 am by MFowler |
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DIASON HYBRID AMP
Started by TIMBO |
26 Replies
10653 Views |
December 31, 2015, 09:05:21 pm by TIMBO |
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D'Lite with 6P1P
Started by adamG |
3 Replies
6854 Views |
December 31, 2015, 04:40:56 pm by PRR |
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Do I have in "essence" 1 meg already?
Started by TerryD |
1 Replies
3321 Views |
December 31, 2015, 12:17:16 pm by Willabe |
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5E3 plate voltages too low?
Started by markmalin |
8 Replies
9227 Views |
December 31, 2015, 10:07:00 am by markmalin |
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9 Replies
5985 Views |
December 30, 2015, 09:53:41 pm by TerryD |
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Harmonilux Reverb AA964???
Started by Toxophilite « 1 2 3 4 » |
168 Replies
42877 Views |
December 30, 2015, 06:05:24 pm by Toxophilite |
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9 Replies
5354 Views |
December 30, 2015, 07:40:16 am by mresistor |
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