Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 03:04:48 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 03:04:48 pm | ||
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EL84 amp hum in triode mode
Started by punkykatt |
10 Replies
8087 Views |
February 12, 2018, 02:01:06 pmby punkykatt |
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The Valve Wizards preamp layout
Started by pompeiisneaks |
9 Replies
5569 Views |
February 11, 2018, 10:47:45 pm by sluckey |
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lacing up turret board connections
Started by rsr |
4 Replies
5422 Views |
February 11, 2018, 12:16:09 pm by rsr |
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new tubes
Started by ALBATROS1234 |
13 Replies
7167 Views |
February 11, 2018, 03:33:19 am by DummyLoad |
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Fender Reverb - Not much control
Started by Blind Lemon |
8 Replies
5364 Views |
February 10, 2018, 04:58:03 pm by tubeswell |
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NAD - 73 Quad Reverb hatchet job
Started by tubeswell |
16 Replies
7312 Views |
February 10, 2018, 02:08:07 pm by TIMBO |
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Cap value question
Started by pbman1953 |
3 Replies
4478 Views |
February 10, 2018, 01:03:16 pm by pbman1953 |
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39 Replies
13257 Views |
February 10, 2018, 07:52:04 am by kagliostro |
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14 Replies
8726 Views |
February 09, 2018, 03:48:48 pm by tubeswell |
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Gibson GA-40 RVT Tremolo Intensity
Started by jukelemon |
2 Replies
5034 Views |
February 09, 2018, 12:29:49 pm by jukelemon |
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83 Replies
38446 Views |
February 09, 2018, 12:27:19 pm by jjasilli |
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3 Replies
6453 Views |
February 09, 2018, 10:43:11 am by Ed_Chambley |
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Heat dissipation issue
Started by Heavenamps |
11 Replies
7401 Views |
February 09, 2018, 09:10:14 am by Garrett335 |
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filmosound again
Started by NotSure |
19 Replies
9907 Views |
February 08, 2018, 08:40:03 pm by shooter |
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switchable parallel se?
Started by ALBATROS1234 |
9 Replies
6424 Views |
February 08, 2018, 05:48:12 pm by ALBATROS1234 |
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Hoffman Princeton Reverb builds
Started by bnwitt |
37 Replies
13943 Views |
February 08, 2018, 01:31:07 pm by lego4040 |
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webcor 4905
Started by DummyLoad |
11 Replies
8503 Views |
February 07, 2018, 01:02:02 pm by sluckey |
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9 Replies
7313 Views |
February 07, 2018, 09:33:45 am by ALBATROS1234 |
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Orange TH-30 twin channel
Started by J Rindt |
2 Replies
4717 Views |
February 06, 2018, 08:58:33 pm by J Rindt |
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6l6 champ
Started by avspecialist |
42 Replies
17487 Views |
February 06, 2018, 07:26:43 pm by jjasilli |
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6 Replies
5240 Views |
February 06, 2018, 02:37:42 pm by mresistor |
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AC 30 reissue hum
Started by makingnoise88 |
3 Replies
4344 Views |
February 06, 2018, 08:31:37 am by shooter |
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hum in high power tweed twin amp
Started by stringbender.dk « 1 2 » |
52 Replies
17389 Views |
February 05, 2018, 04:34:11 pm by stringbender.dk |
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5VDC from center-tapped 6.3VAC?
Started by keithv |
29 Replies
16860 Views |
February 05, 2018, 02:59:26 pm by sluckey |
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43 Replies
13536 Views |
February 05, 2018, 11:54:23 am by ALBATROS1234 |
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Output xfrmr?
Started by ALBATROS1234 |
7 Replies
5056 Views |
February 04, 2018, 10:09:04 pm by ALBATROS1234 |
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4 Replies
6014 Views |
February 04, 2018, 09:13:36 pm by DummyLoad |
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5 Replies
5747 Views |
February 04, 2018, 08:50:56 pm by TheKT88KilledJFK |
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Attenuator volume drop problem
Started by GLFSHNT |
2 Replies
4153 Views |
February 04, 2018, 12:45:14 pm by 92Volts |
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2 Replies
4682 Views |
February 04, 2018, 12:44:22 am by DummyLoad |
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Frequency
Started by eternalpurple |
2 Replies
4001 Views |
February 03, 2018, 04:30:07 pm by kagliostro |
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15 Replies
8925 Views |
February 03, 2018, 12:15:09 pm by Apexelectric |
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Testing transformer amperage
Started by ALBATROS1234 |
9 Replies
7285 Views |
February 03, 2018, 09:32:49 am by ALBATROS1234 |
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0 Replies
3800 Views |
February 02, 2018, 07:15:11 pm by kealonnix |
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2 Replies
4286 Views |
February 02, 2018, 01:11:30 pm by pbman1953 |
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One So Hot (one hung lo?)
Started by jbefumo |
7 Replies
5601 Views |
February 02, 2018, 07:27:21 am by jbefumo |
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Super Champ X2 Upgrade Advice
Started by purpletele |
0 Replies
10021 Views |
February 02, 2018, 03:49:53 am by purpletele |
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'75 Marshall 50W MKII ST-1 Bias Help
Started by boxcarcut |
12 Replies
6647 Views |
February 01, 2018, 01:47:55 pm by sluckey |
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5 Replies
5014 Views |
January 31, 2018, 11:48:24 pm by PRR |
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Soundtronics 70's 4 x 8417
Started by BruceJ |
6 Replies
6117 Views |
January 31, 2018, 10:14:33 pm by Crazy Eric |
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Supro 24 Lite - Power tube test
Started by bmccowan |
3 Replies
5438 Views |
January 31, 2018, 05:47:45 am by SnickSound |
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Category 5 Andrew- and Bias
Started by pbman1953 |
23 Replies
9206 Views |
January 30, 2018, 11:52:11 am by bnwitt |
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50W Marshall Volume/Tone Project
Started by krampus |
23 Replies
10328 Views |
January 30, 2018, 11:37:42 am by krampus |
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Volume Drop Problem
Started by Nathan |
3 Replies
4297 Views |
January 30, 2018, 08:12:19 am by tonepumpamps |
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question on wiring blues jr tube board
Started by rsr |
4 Replies
5503 Views |
January 30, 2018, 04:01:45 am by sluckey |
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15 Replies
8171 Views |
January 29, 2018, 03:31:17 pm by tripwire |
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9 Replies
5676 Views |
January 29, 2018, 11:02:27 am by dennyg |
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5 Replies
7311 Views |
January 29, 2018, 09:22:54 am by 92Volts |
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18 watt chassis, head or combo?
Started by dude |
7 Replies
5532 Views |
January 28, 2018, 09:35:03 pm by dude |
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Seven pin follies
Started by PlumMojo |
11 Replies
6198 Views |
January 27, 2018, 09:26:43 pm by shooter |
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