Welcome To the Hoffman Amplifiers Forum
March 13, 2026, 02:43:18 am
Welcome To the Hoffman Amplifiers ForumMarch 13, 2026, 02:43:18 am | ||
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Mating aa864 with ab165
Started by J Rindt |
4 Replies
4130 Views |
June 27, 2010, 12:34:28 pmby J Rindt |
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Identifying source of Hum
Started by joelap |
10 Replies
6888 Views |
June 27, 2010, 09:59:36 am by sluckey |
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Help Identify this board
Started by Custom_Amp_30 |
18 Replies
8320 Views |
June 27, 2010, 08:58:34 am by Dave |
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Sovtek 5Y3GT went poof!
Started by mresistor |
10 Replies
6987 Views |
June 27, 2010, 05:18:04 am by Danskman |
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20 Replies
9919 Views |
June 26, 2010, 11:03:38 pm by Platefire |
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(Re)intro and question about Fender PIs
Started by Blackdog |
17 Replies
9897 Views |
June 26, 2010, 10:35:59 pm by PRR |
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Fender 75 wierd power tube issue
Started by bnwitt |
20 Replies
10918 Views |
June 26, 2010, 10:22:33 pm by bnwitt |
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Harp Amps?
Started by nastyoldtech |
11 Replies
9033 Views |
June 26, 2010, 05:49:02 pm by chuggy |
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Bias keeps changing on Hiwatt
Started by frank57 |
4 Replies
5119 Views |
June 25, 2010, 10:56:22 pm by HotBluePlates |
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My newest build
Started by JayB |
11 Replies
6601 Views |
June 25, 2010, 05:29:06 pm by JayB |
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Ground PI with power?
Started by theundeadelvis |
5 Replies
6063 Views |
June 25, 2010, 04:30:32 pm by theundeadelvis |
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5 Replies
4495 Views |
June 25, 2010, 03:13:09 pm by joelap |
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More headroom in a Ampeg Gemini II
Started by chocopower |
11 Replies
10555 Views |
June 25, 2010, 10:54:50 am by eleventeen |
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7 Replies
8757 Views |
June 25, 2010, 07:58:41 am by NSFY |
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Acoustic thru twins normal channel mods?
Started by Searing |
8 Replies
6816 Views |
June 25, 2010, 12:38:21 am by PRR |
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Using a 12AV7
Started by SoundmasterG |
31 Replies
19270 Views |
June 24, 2010, 04:51:12 pm by SoundmasterG |
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can't bias tubes hot enough RESOLVED
Started by mageerc |
4 Replies
4954 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
3953 Views |
June 24, 2010, 01:39:02 pm by John |
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Killer Ant arrived
Started by bigdaddy |
17 Replies
9005 Views |
June 24, 2010, 01:21:46 pm by bigdaddy |
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Lab Series L2 schematic
Started by punkykatt |
3 Replies
6936 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
15105 Views |
June 24, 2010, 01:07:28 am by Rev D |
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2 Replies
5313 Views |
June 23, 2010, 10:50:21 pm by sluckey |
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AB763 component value confusion
Started by nateflanigan |
3 Replies
4581 Views |
June 23, 2010, 09:15:04 pm by nateflanigan |
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6 Replies
9265 Views |
June 23, 2010, 07:07:10 pm by bnwitt |
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6L6 Carmen Ghia ?
Started by topbrent |
11 Replies
9513 Views |
June 23, 2010, 04:29:56 pm by drew |
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7027A opinions?
Started by Backwoods Joe |
7 Replies
9793 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
4239 Views |
June 23, 2010, 09:13:21 am by WiderGates |
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6550 advise
Started by sluckey |
12 Replies
8483 Views |
June 23, 2010, 06:41:30 am by sluckey |
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Finished my EL34 Beast Champ
Started by theundeadelvis |
26 Replies
15521 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
5356 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
6267 Views |
June 22, 2010, 02:35:45 pm by plexi50 |
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motown switch
Started by birt |
12 Replies
7976 Views |
June 22, 2010, 11:45:01 am by bluesbear |
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Mesa Stiletto Amplifier
Started by plexi50 |
2 Replies
4309 Views |
June 22, 2010, 06:39:16 am by plexi50 |
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Weak tremolo in AB763
Started by LooseChange |
5 Replies
6342 Views |
June 22, 2010, 05:43:05 am by sluckey |
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10 Replies
7674 Views |
June 22, 2010, 03:15:28 am by Blackdog |
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Airline 9035A
Started by RicharD |
12 Replies
8282 Views |
June 22, 2010, 02:01:29 am by Rev D |
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Reverb Tank Replacement Options
Started by BigE |
6 Replies
5981 Views |
June 21, 2010, 10:07:06 pm by PRR |
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going nuts with EF... tubes
Started by birt |
1 Replies
4380 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
3739 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
4016 Views |
June 21, 2010, 12:45:59 pm by sluckey |
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6K6GT for 6V6
Started by bigdaddy |
10 Replies
14837 Views |
June 21, 2010, 10:31:14 am by bigdaddy |
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Plexi 50 bright cap confusion
Started by bnwitt |
14 Replies
10920 Views |
June 21, 2010, 01:40:50 am by HotBluePlates |
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impedance for Traynor MK111?
Started by phsyconoodler |
2 Replies
4114 Views |
June 20, 2010, 10:07:35 pm by phsyconoodler |
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Tremolo Problems
Started by nastyoldtech |
20 Replies
14406 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
9469 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
6129 Views |
June 20, 2010, 01:52:30 pm by Tiny_Daddy |
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32 Replies
12258 Views |
June 20, 2010, 06:28:17 am by LooseChange |
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Marshall 2061x question
Started by jcr |
1 Replies
4702 Views |
June 19, 2010, 07:31:19 pm by JayB |
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0 Replies
3879 Views |
June 19, 2010, 02:30:07 pm by Geezer |
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38 Replies
20055 Views |
June 19, 2010, 10:03:29 am by LooseChange |
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