Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 11:01:51 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 11:01:51 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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13 Replies
6253 Views |
May 31, 2013, 07:56:02 amby kagliostro |
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8 Replies
2833 Views |
May 30, 2013, 06:41:52 am by frus |
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23 Replies
12310 Views |
May 30, 2013, 05:49:49 am by pwhite |
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Transformers Triad, Thordarson ??
Started by rokker |
20 Replies
8216 Views |
May 30, 2013, 12:11:23 am by DummyLoad |
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20 Replies
5384 Views |
May 29, 2013, 02:08:21 am by kagliostro |
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Presence on 5f6a
Started by tylerrussell |
6 Replies
3588 Views |
May 28, 2013, 07:39:46 pm by tubeswell |
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Problem with VVR
Started by dude |
8 Replies
4254 Views |
May 27, 2013, 08:30:39 pm by Willabe |
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Post phase inverter master volume
Started by dude |
17 Replies
7678 Views |
May 27, 2013, 11:14:07 am by HotBluePlates |
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Tremolo Pot Affects Bias When Off
Started by Ed_Chambley |
21 Replies
7920 Views |
May 27, 2013, 11:03:33 am by Ed_Chambley |
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6 Replies
3076 Views |
May 25, 2013, 11:02:57 pm by kagliostro |
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"Windy" sounding twin reverb
Started by limit6 |
5 Replies
3672 Views |
May 25, 2013, 10:06:12 pm by PRR |
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Standel 25L15 Inspired Amp
Started by HotBluePlates « 1 2 » |
86 Replies
37284 Views |
May 25, 2013, 04:41:19 pm by HotBluePlates |
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Tube Amp Distortion Qualities
Started by TurboGuitarMelton |
9 Replies
5667 Views |
May 25, 2013, 08:22:30 am by Ed_Chambley |
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Is this tank useable
Started by TIMBO |
10 Replies
3543 Views |
May 24, 2013, 07:00:27 pm by PRR |
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Blown fuse... Why ?
Started by dude |
35 Replies
9306 Views |
May 23, 2013, 11:16:36 pm by dude |
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Never met this before
Started by Leevi |
8 Replies
2968 Views |
May 23, 2013, 02:26:42 pm by stratele52 |
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Plug in modular EL34 power amp
Started by JMW |
5 Replies
2860 Views |
May 22, 2013, 10:59:50 pm by JMW |
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High OR low plate voltage question
Started by SILVERGUN |
21 Replies
20392 Views |
May 22, 2013, 08:25:03 am by SILVERGUN |
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Mag Amp Power Scaling
Started by silverfox |
25 Replies
6969 Views |
May 21, 2013, 10:48:47 pm by silverfox |
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Guyatone Imperial-el cheapo weekend buy
Started by Madison |
18 Replies
5173 Views |
May 21, 2013, 09:57:38 pm by Platefire |
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Avoiding Microphonic ef86 in v1
Started by Ed_Chambley |
17 Replies
7552 Views |
May 21, 2013, 11:19:59 am by sluckey |
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Moody BA40 Bassman
Started by TIMBO |
2 Replies
3881 Views |
May 20, 2013, 07:23:25 pm by darryl |
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Identify these caps!
Started by limit6 |
6 Replies
2534 Views |
May 20, 2013, 10:16:41 am by limit6 |
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Adding bias pot to a Traynor YRM-1 (and Screen R question)
Started by g-man |
10 Replies
6134 Views |
May 19, 2013, 05:46:22 pm by g-man |
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1 Replies
2005 Views |
May 19, 2013, 11:43:16 am by sluckey |
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choosing a thermistor ?
Started by floyd |
12 Replies
5442 Views |
May 18, 2013, 11:38:26 pm by floyd |
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2 Replies
3933 Views |
May 18, 2013, 01:40:37 pm by kagliostro |
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Univox 1221 Rebuild-Mod
Started by silverfox |
26 Replies
8620 Views |
May 18, 2013, 12:23:30 pm by silverfox |
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Another nice "barn find"
Started by eleventeen |
5 Replies
3018 Views |
May 18, 2013, 07:05:51 am by sluckey |
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5 Replies
2898 Views |
May 17, 2013, 03:47:01 pm by Tone Junkie |
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13 Replies
4736 Views |
May 17, 2013, 05:00:33 am by kagliostro |
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Ampeg SJ12R schematic
Started by phsyconoodler |
15 Replies
6388 Views |
May 16, 2013, 10:17:20 pm by phsyconoodler |
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24 Replies
7404 Views |
May 14, 2013, 05:44:36 pm by jjasilli |
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tracking down a short
Started by Bugman3183 |
19 Replies
7560 Views |
May 14, 2013, 03:33:54 pm by Ed_Chambley |
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How does this look for a bias supply?
Started by SILVERGUN |
13 Replies
5693 Views |
May 14, 2013, 02:48:15 pm by kagliostro |
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Mesa Mark V Repair
Started by Finkilium |
5 Replies
3976 Views |
May 14, 2013, 02:09:53 am by Jack1962 |
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3 Replies
3044 Views |
May 13, 2013, 12:12:55 am by HotBluePlates |
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Power Amp- Current Build
Started by silverfox |
12 Replies
5904 Views |
May 12, 2013, 12:20:57 am by silverfox |
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Bias- Voltage or Current?
Started by silverfox |
15 Replies
10473 Views |
May 11, 2013, 11:43:18 pm by silverfox |
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Impedance part 1
Started by spacelabstudio |
20 Replies
5838 Views |
May 11, 2013, 08:00:09 am by burt_toast |
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1-Tube Reverb addon
Started by Ray48 |
21 Replies
5706 Views |
May 10, 2013, 10:55:30 pm by PRR |
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LARMAR grounding question?
Started by ncusack |
3 Replies
2231 Views |
May 10, 2013, 12:07:01 pm by sluckey |
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PT Identification
Started by Ed_Chambley |
37 Replies
10252 Views |
May 10, 2013, 11:51:52 am by DummyLoad |
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12 Replies
3969 Views |
May 09, 2013, 10:36:01 pm by Madison |
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Matchless DC30 channel 2
Started by Leevi |
18 Replies
9870 Views |
May 09, 2013, 02:00:11 am by Leevi |
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Power Transformer Ordering Questions
Started by silverfox |
13 Replies
4443 Views |
May 08, 2013, 11:11:22 pm by silverfox |
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6AF11 Push Pull Amp
Started by hayruss |
45 Replies
18417 Views |
May 08, 2013, 05:18:46 pm by John |
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10 Replies
5025 Views |
May 08, 2013, 07:41:57 am by kagliostro |
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SF Twin Reverb with buzzy reverb
Started by BigE |
5 Replies
2610 Views |
May 07, 2013, 07:13:57 pm by eleventeen |
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plexi clone issues
Started by phsyconoodler |
14 Replies
4951 Views |
May 07, 2013, 01:55:47 pm by plexi50 |
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