Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 03:20:51 am | ||
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Oddball Marshall 2046 Specialist
Started by Rev D |
0 Replies
3722 Views |
by Rev D |
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Hi - Low Vol switch ?
Started by tubenit |
20 Replies
7045 Views |
by jjasilli |
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4 Replies
4018 Views |
by tubesornothing |
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21 Replies
11188 Views |
by LooseChange |
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move relay ft. switch jack
Started by tubenit |
6 Replies
3578 Views |
by DummyLoad |
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3 Replies
3411 Views |
by sluckey |
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Marshall Major phase inverter
Started by navdave |
4 Replies
4102 Views |
by Ritchie200 |
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6 Replies
4197 Views |
by Rev D |
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Dual pentode/triode tubes in preamp?
Started by Fresh_Start |
7 Replies
6116 Views |
by bigdaddy |
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Tremolo troubles ab763 new build
Started by Tone Junkie |
9 Replies
4336 Views |
by Tone Junkie |
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Killer ant mod
Started by bigdaddy |
3 Replies
6058 Views |
by bigdaddy |
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Help with negative bias voltage
Started by J Rindt |
5 Replies
5585 Views |
by sluckey |
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What's this filter??
Started by Geezer |
7 Replies
3829 Views |
by FYL |
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3 Replies
2860 Views |
by nateflanigan |
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Replacing PT in Princeton (AA1164)
Started by dude |
3 Replies
2992 Views |
by Fresh_Start |
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reverb issues ab763 circuit new build
Started by Tone Junkie |
3 Replies
2855 Views |
by sluckey |
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changing PI bias
Started by phsyconoodler |
6 Replies
4384 Views |
by phsyconoodler |
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12V heater to raise B+?
Started by birt |
10 Replies
4917 Views |
by gar13 |
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JCM800 clone 6550R high freq. squeal
Started by mamps |
4 Replies
3248 Views |
by mamps |
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12 Replies
6521 Views |
by Tone Junkie |
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AB763 Deluxe Reverb with 6v6
Started by moonbird |
9 Replies
5614 Views |
by sluckey |
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Single channel AB763 design question?
Started by markmalin |
11 Replies
6286 Views |
by markmalin |
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Smokin' PT
Started by bluestone |
22 Replies
6534 Views |
by bluestone |
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Fixing Noise
Started by rafe |
2 Replies
2564 Views |
by rafe |
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5 Replies
3788 Views |
by kagliostro |
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12 Replies
5478 Views |
by toomanyslurpees |
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Bogen CHB-35A PA amp
Started by punkykatt |
8 Replies
5600 Views |
by dwp |
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2 Replies
4619 Views |
by kagliostro |
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Need help tracking down a "buzz"
Started by markmalin |
22 Replies
8332 Views |
by markmalin |
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Mstr vol pot value?
Started by tubenit |
5 Replies
4040 Views |
by jojokeo |
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Fender AB763 onboard reverb too trebley
Started by flora |
9 Replies
5408 Views |
by phsyconoodler |
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2204 or Hot Switch
Started by macula56 |
3 Replies
3001 Views |
by rzenc |
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3 Replies
4295 Views |
by macula56 |
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Tonal Difference anyone? Choke types
Started by dwp |
4 Replies
4584 Views |
by FYL |
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MOVED: My time for building is over....
Started by tubenit |
0 Replies
2957 Views |
by tubenit |
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1970's JMP50 PT voltage??
Started by bnwitt |
4 Replies
3302 Views |
by bnwitt |
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Hammond M100 Ao29 on the bench
Started by LooseChange |
5 Replies
5747 Views |
by FYL |
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Marshall style PT with 7V heater winding...
Started by bruno |
16 Replies
6896 Views |
by sluckey |
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7 Replies
5138 Views |
by FYL |
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Need help identifying these Pots!
Started by Platefire |
13 Replies
5261 Views |
by Platefire |
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'75 Deluxe Reverb Overhaul Advice Needed
Started by Wilks |
7 Replies
4389 Views |
by pullshocks |
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Need Marshall schem and/or bit of info
Started by dynaman1 |
2 Replies
2621 Views |
by dynaman1 |
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JCM 900 tone opinions and known mods
Started by bnwitt |
7 Replies
4747 Views |
by tubenit |
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Blues Jr. Upgrade secrets
Started by Tiny_Daddy |
7 Replies
5490 Views |
by bigdaddy |
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Power & Standby switch alternatives
Started by Fresh_Start |
1 Replies
2596 Views |
by bigdaddy |
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6 Replies
3775 Views |
by bigdaddy |
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14 Replies
13150 Views |
by theundeadelvis |
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Silverface Twin Reverb
Started by Tiny_Daddy |
4 Replies
3157 Views |
by Tiny_Daddy |
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Some of the recents
Started by Madison |
5 Replies
3851 Views |
by LooseChange |
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Too many nice little amps
Started by TIMBO |
1 Replies
3124 Views |
by TIMBO |
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