Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 06:32:55 pm | ||
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Bizarre 5e5a Mods
Started by MaJiG |
10 Replies
6340 Views |
by HotBluePlates |
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Ampeg B25b Voltages
Started by Jack1962 |
10 Replies
6865 Views |
by ernie_jr |
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Silverface Twin Reverb plate voltage
Started by punkykatt |
8 Replies
7410 Views |
by Geezer |
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Resistor type for phase inverter
Started by dbishopbliss |
3 Replies
3735 Views |
by tubeswell |
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mesa boogie studio 22+ filter caps
Started by Rich |
4 Replies
5817 Views |
by DummyLoad |
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More layout opinions wanted
Started by dbishopbliss |
2 Replies
3352 Views |
by LHPcope |
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6 Replies
5199 Views |
by EL34 |
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Diode/GZ34 wiring... I'm confused!
Started by bluesbear |
32 Replies
27181 Views |
by MaJiG |
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High negative voltages on Plexi build
Started by Al_T |
25 Replies
10037 Views |
by HotBluePlates |
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Odd OT Impedances?
Started by zendragon63 |
9 Replies
5423 Views |
by PRR |
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'66 Fender Princeton Reverb tone problem
Started by bohema79 |
13 Replies
8539 Views |
by HotBluePlates |
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Geezer's Gulch
Started by jojokeo |
11 Replies
6362 Views |
by Geezer |
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Vibrochamp trem question
Started by SoundmasterG |
13 Replies
8376 Views |
by SoundmasterG |
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15 Replies
6179 Views |
by nandrewjackson |
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How reuse this Mil Spec PT ?
Started by kagliostro |
21 Replies
9022 Views |
by kagliostro |
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Symmetry Pot
Started by TIMBO |
12 Replies
5263 Views |
by Glennjeff |
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SS replacement for EZ2 rectifier
Started by SirElwood |
5 Replies
4198 Views |
by PRR |
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Plexi filtering question
Started by macula56 |
6 Replies
4203 Views |
by macula56 |
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Mini pots in new build
Started by macula56 |
7 Replies
4251 Views |
by macula56 |
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Bellari RP220 Tube Mic Pre Modification
Started by Platefire |
40 Replies
18370 Views |
by Platefire |
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old heathkit stereo amplifier find
Started by phsyconoodler |
5 Replies
4546 Views |
by eleventeen |
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96 Replies
29961 Views |
by Willabe |
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12 Replies
6350 Views |
by Willabe |
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10 Replies
5362 Views |
by PRR |
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Gibson Scout Tone
Started by rifflicks |
5 Replies
6051 Views |
by rifflicks |
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17 Replies
14816 Views |
by beny84 |
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7 Replies
5206 Views |
by LooseChange |
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10 Replies
6712 Views |
by Willabe |
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Critics Wanted!
Started by ajeffcote |
20 Replies
6941 Views |
by ajeffcote |
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Tapping on wires causes noise
Started by frank57 |
19 Replies
12109 Views |
by plexi50 |
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27 Replies
15617 Views |
by Jack1962 |
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0 Replies
2856 Views |
by shortfuse |
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Victoria 45410-T static type noise SOLVED
Started by mageerc |
9 Replies
5414 Views |
by Platefire |
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Super Reverb Amp reissue bias
Started by Colas LeGrippa |
7 Replies
4117 Views |
by Colas LeGrippa |
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VOX AC30 TopBoost and the Hall VVR
Started by Jack1962 |
6 Replies
5939 Views |
by Leevi |
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Resistor value question
Started by pbman1953 |
15 Replies
5933 Views |
by pbman1953 |
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11 Replies
5577 Views |
by sluckey |
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21 Replies
11314 Views |
by mtyes |
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49 Replies
24238 Views |
by plexi50 |
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11 Replies
8295 Views |
by BobL |
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Question on HoSo56
Started by jazbo8 |
6 Replies
3861 Views |
by jazbo8 |
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Where to source Bogen Pilot Lamps
Started by jjasilli |
11 Replies
7646 Views |
by HotBluePlates |
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Shaking up some Tweed tremolo circuits
Started by printer2 |
3 Replies
4105 Views |
by HotBluePlates |
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Gibson GA40 LP on bench
Started by Madison |
7 Replies
4850 Views |
by HotBluePlates |
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6K6GT max plate voltage?
Started by rob_h |
5 Replies
7823 Views |
by PRR |
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Photos and one last question
Started by hesamadman |
13 Replies
7159 Views |
by HotBluePlates |
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5e4-a 210 super with 4 6v6's
Started by galtjunk |
7 Replies
6012 Views |
by HotBluePlates |
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Biasing a Tremolux 5E9A
Started by SleepLess |
8 Replies
6377 Views |
by HotBluePlates |
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39 Replies
13774 Views |
by HotBluePlates |
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PT/REC Voltages not what I expect
Started by llama |
16 Replies
7234 Views |
by HotBluePlates |
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