Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 10:47:02 pm | ||
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Lab Series L2 schematic
Started by punkykatt |
3 Replies
6572 Views |
by punkykatt |
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early Soldano Hot rod 50 heaters
Started by phsyconoodler |
24 Replies
14371 Views |
by Rev D |
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2 Replies
4936 Views |
by sluckey |
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AB763 component value confusion
Started by nateflanigan |
3 Replies
4145 Views |
by nateflanigan |
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6 Replies
8845 Views |
by bnwitt |
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6L6 Carmen Ghia ?
Started by topbrent |
11 Replies
9038 Views |
by drew |
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7027A opinions?
Started by Backwoods Joe |
7 Replies
9336 Views |
by jjasilli |
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Megachunk's Basic Jazz Amp Pix
Started by Megachunk |
4 Replies
3944 Views |
by WiderGates |
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6550 advise
Started by sluckey |
12 Replies
7972 Views |
by sluckey |
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Finished my EL34 Beast Champ
Started by theundeadelvis |
26 Replies
14706 Views |
by theundeadelvis |
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New problem with my old DR style build.
Started by Blackdog |
6 Replies
4967 Views |
by PRR |
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Mesa Subway Blues & Subway Rocket Reverb
Started by plexi50 |
2 Replies
5964 Views |
by plexi50 |
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motown switch
Started by birt |
12 Replies
7337 Views |
by bluesbear |
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Mesa Stiletto Amplifier
Started by plexi50 |
2 Replies
3892 Views |
by plexi50 |
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Weak tremolo in AB763
Started by LooseChange |
5 Replies
5922 Views |
by sluckey |
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10 Replies
7069 Views |
by Blackdog |
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Airline 9035A
Started by RicharD |
12 Replies
7610 Views |
by Rev D |
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Reverb Tank Replacement Options
Started by BigE |
6 Replies
5412 Views |
by PRR |
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going nuts with EF... tubes
Started by birt |
1 Replies
4143 Views |
by DummyLoad |
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Power Transformer heat, to what degree?
Started by dwp |
3 Replies
3490 Views |
by dwp |
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120 Volts on Front Panel?
Started by Fresh_Start |
1 Replies
3605 Views |
by sluckey |
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6K6GT for 6V6
Started by bigdaddy |
10 Replies
14254 Views |
by bigdaddy |
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Plexi 50 bright cap confusion
Started by bnwitt |
14 Replies
10295 Views |
by HotBluePlates |
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impedance for Traynor MK111?
Started by phsyconoodler |
2 Replies
3770 Views |
by phsyconoodler |
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Tremolo Problems
Started by nastyoldtech |
20 Replies
13624 Views |
by nastyoldtech |
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Crate VC 20 too much gain
Started by dude |
11 Replies
8930 Views |
by dude |
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Repro Output Xfrmr wound for less output?
Started by dwp |
9 Replies
5709 Views |
by Tiny_Daddy |
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32 Replies
11463 Views |
by LooseChange |
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Marshall 2061x question
Started by jcr |
1 Replies
4236 Views |
by JayB |
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0 Replies
3546 Views |
by Geezer |
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38 Replies
19378 Views |
by LooseChange |
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0 Replies
5818 Views |
by plexi50 |
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Fixed Bias VVR
Started by Sundhy |
2 Replies
6000 Views |
by SoundmasterG |
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5 Replies
5479 Views |
by topbrent |
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1 watt revisited
Started by bigdaddy |
10 Replies
5913 Views |
by bigdaddy |
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Trace Elliot Velocette Heaters
Started by bbirling |
8 Replies
5741 Views |
by bbirling |
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Harmony 415
Started by John |
42 Replies
16692 Views |
by John |
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How to elimate POP
Started by Leevi |
13 Replies
7788 Views |
by Leevi |
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Another How to eliminate Pop please
Started by dwp |
1 Replies
3216 Views |
by RicharD |
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Cathode-Bias AB-763?
Started by duke of earl |
9 Replies
5288 Views |
by phsyconoodler |
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custom vibrolux mods
Started by phsyconoodler |
9 Replies
5942 Views |
by phsyconoodler |
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Crackling tone
Started by Leevi |
25 Replies
10169 Views |
by birt |
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Fender '75' Combo amp in for repair
Started by bnwitt |
3 Replies
4534 Views |
by bnwitt |
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Output tubes, using unusual ones.
Started by Shrapnel |
1 Replies
3274 Views |
by PRR |
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SPICE Modeling and amp building.
Started by Shrapnel |
2 Replies
3664 Views |
by Shrapnel |
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48 Replies
20367 Views |
by Megachunk |
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an old amplifier with a strange schematic
Started by birt |
20 Replies
11457 Views |
by PRR |
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2 Replies
3810 Views |
by Tiny_Daddy |
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Fuse, on/off & AC wiring
Started by tubenit |
8 Replies
6517 Views |
by tubenit |
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Review My EF86 Channel Insert Location please
Started by dwp |
3 Replies
3893 Views |
by terminalgs |
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