Welcome To the Hoffman Amplifiers Forum
April 14, 2026, 09:46:51 pm
Welcome To the Hoffman Amplifiers ForumApril 14, 2026, 09:46:51 pm | ||
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Using a 12AV7
Started by SoundmasterG |
31 Replies
19669 Views |
June 24, 2010, 04:51:12 pmby SoundmasterG |
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can't bias tubes hot enough RESOLVED
Started by mageerc |
4 Replies
5132 Views |
June 24, 2010, 02:04:45 pm by bigdaddy |
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One tube pulsing in a quad
Started by jerryjg |
1 Replies
4088 Views |
June 24, 2010, 01:39:02 pm by John |
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Killer Ant arrived
Started by bigdaddy |
17 Replies
9181 Views |
June 24, 2010, 01:21:46 pm by bigdaddy |
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Lab Series L2 schematic
Started by punkykatt |
3 Replies
7065 Views |
June 24, 2010, 11:36:05 am by punkykatt |
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early Soldano Hot rod 50 heaters
Started by phsyconoodler |
24 Replies
15439 Views |
June 24, 2010, 01:07:28 am by Rev D |
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2 Replies
5442 Views |
June 23, 2010, 10:50:21 pm by sluckey |
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AB763 component value confusion
Started by nateflanigan |
3 Replies
4737 Views |
June 23, 2010, 09:15:04 pm by nateflanigan |
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6 Replies
9428 Views |
June 23, 2010, 07:07:10 pm by bnwitt |
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6L6 Carmen Ghia ?
Started by topbrent |
11 Replies
9698 Views |
June 23, 2010, 04:29:56 pm by drew |
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7027A opinions?
Started by Backwoods Joe |
7 Replies
9965 Views |
June 23, 2010, 09:45:37 am by jjasilli |
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Megachunk's Basic Jazz Amp Pix
Started by Megachunk |
4 Replies
4371 Views |
June 23, 2010, 09:13:21 am by WiderGates |
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6550 advise
Started by sluckey |
12 Replies
8686 Views |
June 23, 2010, 06:41:30 am by sluckey |
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Finished my EL34 Beast Champ
Started by theundeadelvis |
26 Replies
15919 Views |
June 22, 2010, 09:51:27 pm by theundeadelvis |
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New problem with my old DR style build.
Started by Blackdog |
6 Replies
5533 Views |
June 22, 2010, 07:51:46 pm by PRR |
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Mesa Subway Blues & Subway Rocket Reverb
Started by plexi50 |
2 Replies
6414 Views |
June 22, 2010, 02:35:45 pm by plexi50 |
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motown switch
Started by birt |
12 Replies
8196 Views |
June 22, 2010, 11:45:01 am by bluesbear |
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Mesa Stiletto Amplifier
Started by plexi50 |
2 Replies
4474 Views |
June 22, 2010, 06:39:16 am by plexi50 |
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Weak tremolo in AB763
Started by LooseChange |
5 Replies
6508 Views |
June 22, 2010, 05:43:05 am by sluckey |
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10 Replies
7962 Views |
June 22, 2010, 03:15:28 am by Blackdog |
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Airline 9035A
Started by RicharD |
12 Replies
8646 Views |
June 22, 2010, 02:01:29 am by Rev D |
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Reverb Tank Replacement Options
Started by BigE |
6 Replies
6272 Views |
June 21, 2010, 10:07:06 pm by PRR |
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going nuts with EF... tubes
Started by birt |
1 Replies
4537 Views |
June 21, 2010, 05:57:32 pm by DummyLoad |
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Power Transformer heat, to what degree?
Started by dwp |
3 Replies
3881 Views |
June 21, 2010, 05:21:00 pm by dwp |
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120 Volts on Front Panel?
Started by Fresh_Start |
1 Replies
4166 Views |
June 21, 2010, 12:45:59 pm by sluckey |
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6K6GT for 6V6
Started by bigdaddy |
10 Replies
15097 Views |
June 21, 2010, 10:31:14 am by bigdaddy |
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Plexi 50 bright cap confusion
Started by bnwitt |
14 Replies
11209 Views |
June 21, 2010, 01:40:50 am by HotBluePlates |
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impedance for Traynor MK111?
Started by phsyconoodler |
2 Replies
4274 Views |
June 20, 2010, 10:07:35 pm by phsyconoodler |
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Tremolo Problems
Started by nastyoldtech |
20 Replies
14736 Views |
June 20, 2010, 05:23:56 pm by nastyoldtech |
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Crate VC 20 too much gain
Started by dude |
11 Replies
9718 Views |
June 20, 2010, 04:03:32 pm by dude |
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Repro Output Xfrmr wound for less output?
Started by dwp |
9 Replies
6295 Views |
June 20, 2010, 01:52:30 pm by Tiny_Daddy |
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32 Replies
12668 Views |
June 20, 2010, 06:28:17 am by LooseChange |
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Marshall 2061x question
Started by jcr |
1 Replies
4851 Views |
June 19, 2010, 07:31:19 pm by JayB |
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0 Replies
4006 Views |
June 19, 2010, 02:30:07 pm by Geezer |
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38 Replies
20505 Views |
June 19, 2010, 10:03:29 am by LooseChange |
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0 Replies
6350 Views |
June 18, 2010, 11:34:34 am by plexi50 |
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Fixed Bias VVR
Started by Sundhy |
2 Replies
6503 Views |
June 18, 2010, 05:06:27 am by SoundmasterG |
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5 Replies
6131 Views |
June 18, 2010, 04:04:15 am by topbrent |
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1 watt revisited
Started by bigdaddy |
10 Replies
6617 Views |
June 17, 2010, 04:57:02 pm by bigdaddy |
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Trace Elliot Velocette Heaters
Started by bbirling |
8 Replies
6500 Views |
June 17, 2010, 12:44:24 pm by bbirling |
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Harmony 415
Started by John |
42 Replies
18082 Views |
June 17, 2010, 06:04:20 am by John |
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How to elimate POP
Started by Leevi |
13 Replies
8693 Views |
June 16, 2010, 02:11:21 pm by Leevi |
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Another How to eliminate Pop please
Started by dwp |
1 Replies
3696 Views |
June 16, 2010, 01:50:33 pm by RicharD |
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Cathode-Bias AB-763?
Started by duke of earl |
9 Replies
5855 Views |
June 16, 2010, 01:17:06 pm by phsyconoodler |
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custom vibrolux mods
Started by phsyconoodler |
9 Replies
6521 Views |
June 15, 2010, 02:18:38 pm by phsyconoodler |
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Crackling tone
Started by Leevi |
25 Replies
10917 Views |
June 15, 2010, 01:33:17 pm by birt |
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Fender '75' Combo amp in for repair
Started by bnwitt |
3 Replies
4927 Views |
June 15, 2010, 12:51:52 pm by bnwitt |
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Output tubes, using unusual ones.
Started by Shrapnel |
1 Replies
3685 Views |
June 15, 2010, 12:14:23 pm by PRR |
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SPICE Modeling and amp building.
Started by Shrapnel |
2 Replies
4086 Views |
June 15, 2010, 02:51:39 am by Shrapnel |
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48 Replies
22700 Views |
June 14, 2010, 11:39:01 pm by Megachunk |
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