Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:15:25 pm | ||
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VOX AC30 Power Lamp Flickering
Started by dpm309 |
3 Replies
2067 Views |
![]() by dwinstonwood |
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Vibrato sound on a non-vibrato amp?
Started by DuaneOh |
12 Replies
3510 Views |
![]() by Lectroid |
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8 Replies
3201 Views |
![]() by kagliostro |
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16 Replies
4524 Views |
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New Build 6v6 Tweed Twin HP
Started by JGk |
2 Replies
1919 Views |
![]() by uki |
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85 Replies
14788 Views |
![]() by Eythor |
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6 Replies
3347 Views |
![]() by smilan |
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10 Replies
3907 Views |
![]() by tubeswell |
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output transformer compatibility
Started by j_bruce |
3 Replies
2061 Views |
![]() by HotBluePlates |
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NFB tap question
Started by joesatch |
1 Replies
1969 Views |
![]() by sluckey |
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Old Ampro PP 6v6 center tap question
Started by goldstache |
10 Replies
2701 Views |
![]() by tubeswell |
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3 Replies
2577 Views |
![]() by Latole |
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4 Replies
3210 Views |
![]() by nemoi |
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one-knob tone stack
Started by burt_toast |
12 Replies
6781 Views |
![]() by thetragichero |
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10 Replies
4289 Views |
![]() by nandrewjackson |
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Transistor used for tremolo?
Started by BadCatCubII |
8 Replies
2951 Views |
![]() by BadCatCubII |
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Ampeg V4B 1971
Started by Colas LeGrippa |
13 Replies
2913 Views |
![]() by owen |
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Cascode?
Started by dragonbat13 |
1 Replies
1914 Views |
![]() by HotBluePlates |
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11 Replies
3253 Views |
![]() by shooter |
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Haven't done anything to this Zenith
Started by frankenxtein |
5 Replies
2672 Views |
![]() by frankenxtein |
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Russian substitute for 12AT7
Started by isaac_teller |
2 Replies
2681 Views |
![]() by isaac_teller |
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Hammond Rebuild Layout Advice
Started by jordan86 |
3 Replies
1810 Views |
![]() by glass54 |
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Magnatone Varsity Reverb
Started by luthiernc |
1 Replies
1769 Views |
![]() by tubeswell |
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Raising the 1M resistor on the input.
Started by valvetones |
7 Replies
2697 Views |
![]() by pdf64 |
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Is this idea crazy? What would you do?
Started by Diverted |
6 Replies
2466 Views |
![]() by PRR |
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22 Replies
5027 Views |
![]() by sluckey |
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Orange TH30 questions
Started by Bieworm |
8 Replies
4081 Views |
![]() by Keppy |
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Diodes for 1970 Twin Reverb
Started by bbmade |
2 Replies
2037 Views |
![]() by bbmade |
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1 Replies
1765 Views |
![]() by sluckey |
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Steel guitar tube input preamp
Started by Swampertech |
2 Replies
1839 Views |
![]() by Swampertech |
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24 Replies
4985 Views |
![]() by shooter |
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Preamp out help
Started by joesatch |
7 Replies
2279 Views |
![]() by nandrewjackson |
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Old Topic , Channel Switching
Started by HighFlyingV |
4 Replies
2266 Views |
![]() by HighFlyingV |
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JTM45 Radiospares Impedance selector
Started by jrgtwo |
7 Replies
2744 Views |
![]() by jrgtwo |
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Fender champ 12 messup
Started by Kesi from Hungary |
10 Replies
3485 Views |
![]() by Kesi from Hungary |
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6 Replies
2436 Views |
![]() by JustTheDad |
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How to add NFB to 18 Watt Stout Reverb
Started by waldner |
15 Replies
3336 Views |
![]() by waldner |
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PT wiring question / confirmation
Started by Bieworm |
3 Replies
1861 Views |
![]() by sluckey |
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Really cheap pilot lamp !
Started by uki |
16 Replies
4103 Views |
![]() by owen |
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Minimum dropping resistors?
Started by joesatch |
27 Replies
4600 Views |
![]() by tubeswell |
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Gibson GA-8 1962 Discoverer
Started by vampwizzard |
12 Replies
4071 Views |
![]() by vampwizzard |
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18 Replies
4043 Views |
![]() by scstill |
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4 band EQ schematic??
Started by hesamadman |
26 Replies
15464 Views |
![]() by kagliostro |
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New DR project sanity check?
Started by Lectroid |
17 Replies
4038 Views |
![]() by pdf64 |
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3 Replies
2109 Views |
![]() by ebulakowski |
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Masco tweak
Started by Diverted |
14 Replies
5157 Views |
![]() by sluckey |
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Bassman 5F6A fun Build
Started by p2pAmps |
0 Replies
2051 Views |
![]() by p2pAmps |
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11 Replies
4647 Views |
![]() by walkman |
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harmonic vibrato questions
Started by uki |
20 Replies
3977 Views |
![]() by shooter |
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NFB circuit help
Started by joesatch |
4 Replies
1924 Views |
![]() by nandrewjackson |
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