Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 11:30:08 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
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| CascoSieg, ghostinthescope and 128 Guests are viewing this board. | ||||
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new amplifier build
Started by khansen810 |
2 Replies
2029 Views |
by Bieworm |
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74 Replies
15339 Views |
by Bieworm |
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16 Replies
5986 Views |
by shooter |
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Ibanez TSA5-TVR reverb cutting out
Started by Hoodnight |
3 Replies
2448 Views |
by uki |
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KT66 vs 6v6
Started by dragonbat13 |
27 Replies
9818 Views |
by PRR |
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Stealth amp
Started by Sonny ReVerb |
9 Replies
3712 Views |
by Sonny ReVerb |
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Bias help 6l6 models
Started by joesatch |
9 Replies
5351 Views |
by dude |
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Fliptops TM1/M1-R Tremelo Wiring
Started by plexi50 |
6 Replies
3294 Views |
by plexi50 |
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Tube amp startup hum
Started by Miyagi_83 |
27 Replies
6708 Views |
by Miyagi_83 |
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4 Replies
2050 Views |
by Stuff4bikes |
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How does this phase inverter work?
Started by isaac_teller |
5 Replies
2649 Views |
by isaac_teller |
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32 Replies
6238 Views |
by TigerTrading2021 |
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10 Replies
3848 Views |
by tmknight |
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Grid stoppers?
Started by Stuff4bikes |
6 Replies
3797 Views |
by Stuff4bikes |
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Unusual Hum/Buzz
Started by svejkist |
20 Replies
4946 Views |
by svejkist |
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How much to a$k ?
Started by jewishjay |
9 Replies
3285 Views |
by PRR |
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Adding VVR and Pentode preamp stage
Started by 1blueheron |
10 Replies
3660 Views |
by 1blueheron |
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17 Replies
4551 Views |
by uki |
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bleeder resistors
Started by Bieworm |
5 Replies
4671 Views |
by trobbins |
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25 Replies
9478 Views |
by HotBluePlates |
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Oddball tubes - eccentric circuitry
Started by tschwarz |
2 Replies
2092 Views |
by PRR |
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An option for pf value caps
Started by SILVERGUN |
6 Replies
2832 Views |
by PRR |
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Tone King Imperial PI Question
Started by johngovan |
9 Replies
3154 Views |
by johngovan |
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1 Replies
1936 Views |
by uki |
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6G3 master volume
Started by suncrest |
15 Replies
4604 Views |
by SILVERGUN |
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What type of phase inversion is this
Started by Stuff4bikes |
7 Replies
3456 Views |
by HotBluePlates |
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Traynor YBA-1A 6550 Bias Question
Started by plumcrazyfx |
6 Replies
3155 Views |
by plumcrazyfx |
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2 Replies
2070 Views |
by swingarm |
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Bogen K10 Master Volume
Started by Ifudontlikebees |
6 Replies
2790 Views |
by Ifudontlikebees |
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1973 Princeton With Very Sensitive Reverb
Started by Pinball |
1 Replies
1848 Views |
by sluckey |
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PT 240v to 120v tap wiring
Started by shaun |
2 Replies
2062 Views |
by shaun |
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"Type 3" PPIMV mod. Is this correct?
Started by 1blueheron |
6 Replies
3531 Views |
by 1blueheron |
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Theory behind this power supply?
Started by 1blueheron |
10 Replies
3897 Views |
by 1blueheron |
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Reverb Driver Transformer
Started by scstill |
1 Replies
2050 Views |
by sluckey |
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EL84 Kinda A Trainwreck B+ Question
Started by AHeck |
8 Replies
3466 Views |
by sluckey |
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Elevating **DC** heater supplies
Started by Craftyjam |
34 Replies
7647 Views |
by TigerTrading2021 |
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Grounding diodes on tubes
Started by Stuff4bikes |
2 Replies
1977 Views |
by Stuff4bikes |
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NTC Thermistor question
Started by Esquirefreak |
7 Replies
4238 Views |
by trobbins |
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32 Replies
7011 Views |
by shooter |
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Bias issue Fender 6G2
Started by Diverted |
2 Replies
2139 Views |
by Diverted |
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My Princeton Reverb Build
Started by dragonbat13 |
13 Replies
5077 Views |
by dragonbat13 |
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filament and fuse wiring
Started by scstill |
1 Replies
2858 Views |
by sluckey |
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48 Replies
25896 Views |
by frankenxtein |
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Marshall 2204 6v6
Started by dude |
4 Replies
2743 Views |
by Auke Jolman |
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AB763 Tremolo smoothing cap?
Started by Esquirefreak |
1 Replies
2078 Views |
by sluckey |
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PT stray voltage?
Started by BrassElephant |
14 Replies
4081 Views |
by BrassElephant |
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Marshall Major, too low power
Started by Leevi |
2 Replies
2229 Views |
by Leevi |
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5 Replies
4836 Views |
by tubenit |
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Mills MRA12
Started by Vlada |
6 Replies
3162 Views |
by pdf64 |
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motorboating only while warming up?
Started by thetragichero |
5 Replies
2833 Views |
by DougGuy |
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