Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 06:17:52 am | ||
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9 Replies
4412 Views |
by stratele52 |
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130 Replies
30103 Views |
by silverfox |
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4 Replies
2954 Views |
by HotBluePlates |
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How to install a stand by switch on 5F2-A?
Started by Boone |
5 Replies
3273 Views |
by TubeRube |
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5E3 strange issue
Started by SleepLess |
6 Replies
3581 Views |
by SleepLess |
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Mesa/Boogie TA-15 & Cut/Master switch noise
Started by W1Jrv |
5 Replies
3882 Views |
by W1Jrv |
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25L15 New built
Started by kingplank |
22 Replies
8065 Views |
by HotBluePlates |
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transformer wiring
Started by dscottguitars |
11 Replies
5998 Views |
by PRR |
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2 Replies
2284 Views |
by stratele52 |
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Psvane tubes?
Started by Ritchie200 |
10 Replies
5135 Views |
by Jack1962 |
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1939 Gibson eh-100
Started by TubeGeek |
10 Replies
7973 Views |
by billcreller |
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A couple of technical questions
Started by kagliostro |
11 Replies
5820 Views |
by kagliostro |
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3 Replies
2708 Views |
by tubeswell |
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10 Replies
9357 Views |
by gtrbryan |
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Simple compressor circuit for guitar amps
Started by Lauri |
21 Replies
16101 Views |
by Willabe |
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Bizarre 5e5a Mods
Started by MaJiG |
10 Replies
5171 Views |
by HotBluePlates |
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Ampeg B25b Voltages
Started by Jack1962 |
10 Replies
5967 Views |
by ernie_jr |
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Silverface Twin Reverb plate voltage
Started by punkykatt |
8 Replies
6431 Views |
by Geezer |
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Resistor type for phase inverter
Started by dbishopbliss |
3 Replies
2715 Views |
by tubeswell |
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mesa boogie studio 22+ filter caps
Started by Rich |
4 Replies
4822 Views |
by DummyLoad |
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More layout opinions wanted
Started by dbishopbliss |
2 Replies
2406 Views |
by LHPcope |
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6 Replies
3935 Views |
by EL34 |
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Diode/GZ34 wiring... I'm confused!
Started by bluesbear |
32 Replies
24421 Views |
by MaJiG |
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High negative voltages on Plexi build
Started by Al_T |
25 Replies
7999 Views |
by HotBluePlates |
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Odd OT Impedances?
Started by zendragon63 |
9 Replies
4106 Views |
by PRR |
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'66 Fender Princeton Reverb tone problem
Started by bohema79 |
13 Replies
6793 Views |
by HotBluePlates |
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Geezer's Gulch
Started by jojokeo |
11 Replies
5207 Views |
by Geezer |
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Vibrochamp trem question
Started by SoundmasterG |
13 Replies
6587 Views |
by SoundmasterG |
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15 Replies
4896 Views |
by nandrewjackson |
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How reuse this Mil Spec PT ?
Started by kagliostro |
21 Replies
7405 Views |
by kagliostro |
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Symmetry Pot
Started by TIMBO |
12 Replies
4024 Views |
by Glennjeff |
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SS replacement for EZ2 rectifier
Started by SirElwood |
5 Replies
3161 Views |
by PRR |
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Plexi filtering question
Started by macula56 |
6 Replies
3086 Views |
by macula56 |
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Mini pots in new build
Started by macula56 |
7 Replies
3274 Views |
by macula56 |
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Bellari RP220 Tube Mic Pre Modification
Started by Platefire |
40 Replies
16356 Views |
by Platefire |
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old heathkit stereo amplifier find
Started by phsyconoodler |
5 Replies
3600 Views |
by eleventeen |
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96 Replies
23261 Views |
by Willabe |
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12 Replies
4982 Views |
by Willabe |
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10 Replies
4022 Views |
by PRR |
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Gibson Scout Tone
Started by rifflicks |
5 Replies
4797 Views |
by rifflicks |
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17 Replies
13120 Views |
by beny84 |
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7 Replies
3856 Views |
by LooseChange |
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10 Replies
5102 Views |
by Willabe |
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Critics Wanted!
Started by ajeffcote |
20 Replies
5679 Views |
by ajeffcote |
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Tapping on wires causes noise
Started by frank57 |
19 Replies
9477 Views |
by plexi50 |
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27 Replies
13720 Views |
by Jack1962 |
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0 Replies
2026 Views |
by shortfuse |
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Victoria 45410-T static type noise SOLVED
Started by mageerc |
9 Replies
4126 Views |
by Platefire |
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Super Reverb Amp reissue bias
Started by Colas LeGrippa |
7 Replies
2985 Views |
by Colas LeGrippa |
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VOX AC30 TopBoost and the Hall VVR
Started by Jack1962 |
6 Replies
4764 Views |
by Leevi |
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