Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 02:13:25 pm | ||
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| wsscott, Yosser, shooter and 65 Guests are viewing this board. | ||||
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Adding NFB to power tube cathode?
Started by jeff |
32 Replies
15452 Views |
by 92Volts |
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26 Replies
8525 Views |
by Platefire |
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3 Replies
3455 Views |
by shooter |
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3 Replies
3322 Views |
by tubenit |
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15 Replies
7985 Views |
by galaxiex |
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Hoffman 30 watt amps on the bench
Started by LooseChange |
18 Replies
7476 Views |
by EL34 |
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PLEXI 6V6 PLUS
Started by TIMBO |
31 Replies
13993 Views |
by Big_Mike |
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Biasing weirdness on Hot Rod Deluxe
Started by jojokeo |
9 Replies
6404 Views |
by pdf64 |
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10 Replies
4154 Views |
by MFowler |
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7 Replies
3977 Views |
by ginger |
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Ground lift. Keep or remove?
Started by plumcrazyfx |
6 Replies
3600 Views |
by ac427v |
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clipping diode arrangement
Started by jokn |
10 Replies
6743 Views |
by d95err |
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10 Replies
6231 Views |
by jjasilli |
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5E3 Tone stack
Started by okguitarman |
7 Replies
4030 Views |
by okguitarman |
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2 Replies
3232 Views |
by choosebronze |
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4 Replies
4885 Views |
by jjasilli |
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16 Replies
6628 Views |
by Rascalrick |
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Which output transformer?
Started by Tapsnap |
20 Replies
12310 Views |
by 92Volts |
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9 Replies
4061 Views |
by ylelevier77 |
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5B6 Modded Layout
Started by reddead83 |
26 Replies
10292 Views |
by reddead83 |
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Fender Champ PT
Started by basschops1528 |
33 Replies
11944 Views |
by Paul1453 |
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Trying to start up a new JTM45 build
Started by draperjojo |
7 Replies
4753 Views |
by draperjojo |
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SS oscillator for harmonic vibrato
Started by terminalgs |
2 Replies
3494 Views |
by PRR |
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2 Replies
3630 Views |
by Anticpunk |
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New PT for Mesa Boogie .50 Caliber +
Started by Oddvar |
1 Replies
2723 Views |
by sluckey |
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Cause for this distortion
Started by Leevi |
4 Replies
3042 Views |
by Leevi |
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Advise on repairing PT wires
Started by uki |
3 Replies
3190 Views |
by uki |
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bias tremolo cuts out
Started by alange5 |
24 Replies
9015 Views |
by davidwpack |
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Lifting the ground on AC Heaters
Started by Jonas |
6 Replies
6012 Views |
by PRR |
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6BM8 "one tube reverb"
Started by tubenit |
15 Replies
8318 Views |
by 2deaf |
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70 Replies
24596 Views |
by Platefire |
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Output transformer questions
Started by ALBATROS1234 |
7 Replies
4361 Views |
by ALBATROS1234 |
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1 Replies
2688 Views |
by shooter |
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Standby switch location
Started by Diverted |
9 Replies
6561 Views |
by SoundmasterG |
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Footswichable EQ Bypass
Started by JKRamsey1991 |
3 Replies
3720 Views |
by JKRamsey1991 |
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12vac filament PT
Started by dude |
2 Replies
3264 Views |
by PRR |
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2 Replies
3323 Views |
by silverfox |
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Transformer Question
Started by JKRamsey1991 |
4 Replies
3080 Views |
by JKRamsey1991 |
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Help with shielding
Started by dude |
5 Replies
3095 Views |
by labb |
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Can a choke "buzz"?
Started by tubenit |
21 Replies
8052 Views |
by EL34 |
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5F6-A wiring purchased from website
Started by ewdaviee |
10 Replies
4873 Views |
by EL34 |
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sylvania jan chs 6v6gt/g plate voltage
Started by Paulycoo |
3 Replies
3837 Views |
by PRR |
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Question about Hammond a0-44
Started by Scsoul |
2 Replies
3097 Views |
by tubenit |
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2 Replies
2758 Views |
by terminalgs |
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2 Replies
3154 Views |
by plumcrazyfx |
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Ampeg GS12 reverbrocket2 questions
Started by Diverted |
9 Replies
3663 Views |
by sluckey |
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6 Replies
6077 Views |
by Backwoods Joe |
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part identification
Started by shooter |
12 Replies
4512 Views |
by kagliostro |
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superlead clone bias issue
Started by Draxsonimy |
7 Replies
4441 Views |
by 2deaf |
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Layout grounding differences?
Started by Oddvar |
1 Replies
2843 Views |
by pompeiisneaks |
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