Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:47 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:47 am | ||
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21 Replies
8009 Views |
February 11, 2017, 01:06:38 amby DummyLoad |
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National Dobro Amplifier
Started by dpm309 |
46 Replies
15851 Views |
February 10, 2017, 11:05:53 am by dpm309 |
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6 Replies
4126 Views |
February 09, 2017, 10:43:00 pm by robrob |
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Bias PS question
Started by kagliostro |
28 Replies
7989 Views |
February 09, 2017, 03:46:11 pm by Ed_Chambley |
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4 Replies
3518 Views |
February 08, 2017, 07:08:59 pm by Justa |
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Finally...
Started by 12AX7 |
11 Replies
4743 Views |
February 08, 2017, 09:06:56 am by 12AX7 |
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7 Replies
4209 Views |
February 08, 2017, 09:05:04 am by FranciscoPerez |
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Dumble clone SE
Started by adamG |
30 Replies
10175 Views |
February 08, 2017, 07:12:32 am by kagliostro |
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5e3s run "hot"?
Started by super&plexi |
10 Replies
4577 Views |
February 08, 2017, 12:26:45 am by super&plexi |
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18 Replies
9543 Views |
February 06, 2017, 07:33:12 pm by robrob |
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Power Tube mismatch and hum
Started by dunner84 |
6 Replies
5668 Views |
February 06, 2017, 05:33:16 pm by HotBluePlates |
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Fuchs Mantis on the bench
Started by pompeiisneaks |
5 Replies
3335 Views |
February 06, 2017, 05:17:16 pm by pompeiisneaks |
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79 Replies
18929 Views |
February 06, 2017, 04:11:44 pm by dunner84 |
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8 Replies
6203 Views |
February 06, 2017, 03:02:10 pm by kagliostro |
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41 Replies
20296 Views |
February 05, 2017, 04:15:31 pm by whoops |
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KT88 PA build
Started by shooter |
34 Replies
9270 Views |
February 05, 2017, 11:48:04 am by shooter |
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7 Replies
4713 Views |
February 05, 2017, 11:34:18 am by frankenxtein |
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Line OT Transformers - Question
Started by kagliostro |
4 Replies
3445 Views |
February 05, 2017, 07:34:01 am by kagliostro |
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Presence circuit
Started by 12AX7 |
3 Replies
2706 Views |
February 04, 2017, 11:51:55 pm by HotBluePlates |
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2 Replies
2522 Views |
February 04, 2017, 04:17:17 pm by Toxophilite |
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Blues Jr conversion
Started by MFowler |
5 Replies
3201 Views |
February 04, 2017, 02:37:48 pm by MFowler |
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37 Replies
10423 Views |
February 04, 2017, 01:38:20 pm by purpletele |
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Negative voltage for el34
Started by fossilshark |
13 Replies
6329 Views |
February 04, 2017, 12:44:14 pm by fossilshark |
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15 Replies
4713 Views |
February 04, 2017, 07:21:21 am by kagliostro |
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Small NOS OT - Question
Started by kagliostro |
29 Replies
7267 Views |
February 03, 2017, 10:13:49 pm by PRR |
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11 Replies
5995 Views |
February 03, 2017, 06:53:07 pm by HotBluePlates |
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Ampeg Gemin 1 G12 Tremelo Problem
Started by plexi50 |
18 Replies
7881 Views |
February 03, 2017, 01:55:37 pm by plexi50 |
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JTM 45 Ceriatone Amp Build Caught Fire lol
Started by kfs90 |
14 Replies
6427 Views |
February 02, 2017, 06:37:32 pm by kfs90 |
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Fixed Bias Questions
Started by dunner84 |
6 Replies
3759 Views |
February 02, 2017, 09:10:38 am by dunner84 |
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PT to Choke - Crazy Question .....
Started by kagliostro |
9 Replies
4143 Views |
February 02, 2017, 02:55:01 am by Retrovert |
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3 Replies
2930 Views |
February 02, 2017, 01:56:02 am by kagliostro |
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NFB switching and Multi-Tap OT
Started by dunner84 |
5 Replies
4659 Views |
February 01, 2017, 11:09:20 pm by dunner84 |
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8 Replies
4605 Views |
February 01, 2017, 03:46:12 pm by leevc5 |
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2 Replies
2743 Views |
February 01, 2017, 11:46:52 am by PRR |
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1 Replies
2652 Views |
February 01, 2017, 02:07:38 am by Retrovert |
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Shielded PI grid wires?
Started by 12AX7 |
6 Replies
3643 Views |
February 01, 2017, 01:49:16 am by Retrovert |
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3 Replies
2579 Views |
February 01, 2017, 12:30:53 am by super&plexi |
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21 Replies
6809 Views |
January 31, 2017, 11:53:57 pm by CordovaNate |
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Blues Jr Bias ?
Started by gtrplayr1976 |
5 Replies
3387 Views |
January 31, 2017, 02:40:53 pm by purpletele |
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20 Replies
10255 Views |
January 30, 2017, 05:37:41 pm by markmalin |
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7 Replies
4448 Views |
January 30, 2017, 12:41:19 pm by PRR |
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11 Replies
4430 Views |
January 29, 2017, 03:37:29 pm by Redfishbum |
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oscillation questions
Started by 12AX7 |
1 Replies
2600 Views |
January 29, 2017, 11:37:34 am by tubeswell |
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Fusing Hookup
Started by Tweeds |
5 Replies
3107 Views |
January 28, 2017, 07:31:30 pm by Tweeds |
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14 Replies
4855 Views |
January 28, 2017, 12:03:12 pm by sluckey |
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Peavey Vintage chassis questions
Started by Shack |
34 Replies
9399 Views |
January 27, 2017, 06:09:12 pm by Shack |
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Small amp suggestions
Started by Redfishbum |
15 Replies
5986 Views |
January 27, 2017, 01:24:50 pm by kagliostro |
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Blues Jr Turret Conversion Question
Started by gtrplayr1976 |
2 Replies
2775 Views |
January 27, 2017, 08:18:24 am by gtrplayr1976 |
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MOVED: Do capacitors sound different?
Started by tubenit |
0 Replies
2210 Views |
January 27, 2017, 05:24:46 am by tubenit |
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16 Replies
5531 Views |
January 26, 2017, 07:11:09 pm by 12AX7 |
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Misc. Hardware |
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Jacks/Plugs Connectors |
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Tubes Valves |
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Pots Knobs |
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