Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 11:06:28 am | ||
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Heater Wiring Question
Started by Papa Jim |
10 Replies
6647 Views |
by shooter |
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Aa964 princeton
Started by phsyconoodler |
7 Replies
4862 Views |
by bmccowan |
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Grid stoppers causing HF oscillation?
Started by ECV02 |
8 Replies
5468 Views |
by pdf64 |
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25 Replies
11260 Views |
by MakerDP |
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New York Rangers won !
Started by Colas LeGrippa |
3 Replies
3741 Views |
by Colas LeGrippa |
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60 Replies
21743 Views |
by Papa Jim |
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3 Replies
4160 Views |
by shooter |
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JCM 2204 Protection Fuse value question
Started by NSB_Chris |
7 Replies
5941 Views |
by pdf64 |
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Voltage regulation for master volume?
Started by Shawnee |
9 Replies
5335 Views |
by PRR |
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10 Replies
6140 Views |
by bmccowan |
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IT WORKS
Started by Masterwaiter |
2 Replies
3928 Views |
by John |
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Wurlitzer 44 amp project
Started by dsmith9 |
31 Replies
15812 Views |
by scrimpus |
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Thread deleted instantaneously?
Started by ALBATROS1234 |
9 Replies
6589 Views |
by PRR |
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Power tube extra safety device
Started by Colas LeGrippa |
25 Replies
9067 Views |
by Colas LeGrippa |
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Component Question
Started by Tbone55 |
39 Replies
13951 Views |
by Tbone55 |
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6 Replies
5582 Views |
by shooter |
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3 Replies
4003 Views |
by VMS |
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Same o'le, same o'le.
Started by Papa Jim |
12 Replies
5770 Views |
by Papa Jim |
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1 Replies
3285 Views |
by davidwpack |
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A tale of 2 tweed champs
Started by Shack |
20 Replies
10302 Views |
by ALBATROS1234 |
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Amp has no headroom and low volume
Started by dearborndave |
38 Replies
15724 Views |
by shooter |
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Champ build with el- 84
Started by mikhett |
4 Replies
6219 Views |
by bmccowan |
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Transformer Conundrum: Gibson GA15-RVT
Started by Widgetmjl |
11 Replies
11532 Views |
by bmccowan |
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2 Replies
3329 Views |
by Colas LeGrippa |
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6 Replies
7932 Views |
by ALBATROS1234 |
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8 Replies
7788 Views |
by Willabe |
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My version of 5f6a 6V6
Started by stinga11 |
6 Replies
6178 Views |
by stinga11 |
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My D'MARS ODS 5879 finally has a home...
Started by MakerDP |
12 Replies
7380 Views |
by MakerDP |
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Mesa Rocket 44 part
Started by etneccas |
15 Replies
6631 Views |
by etneccas |
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3 Replies
3977 Views |
by MakerDP |
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Reverb design
Started by PRR |
12 Replies
6053 Views |
by shooter |
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resistor
Started by Clinton07555 |
1 Replies
3678 Views |
by sluckey |
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6SN7 vs 6v6GTA
Started by Papa Jim |
14 Replies
9609 Views |
by pullshocks |
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Cathode biasing question
Started by Colas LeGrippa |
16 Replies
8998 Views |
by PRR |
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Parasitic cancelling tricks ?
Started by Colas LeGrippa |
4 Replies
4344 Views |
by Colas LeGrippa |
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Oscillation problem solved
Started by Colas LeGrippa |
1 Replies
3217 Views |
by Colas LeGrippa |
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Help with Tweed Bluezmeister OD tweaks?
Started by jinx1499 |
35 Replies
12518 Views |
by jinx1499 |
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Dual Plexi / October & JCM800 Build
Started by tristanc |
3 Replies
4908 Views |
by MakerDP |
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Layout for power amp
Started by Oddvar |
1 Replies
3873 Views |
by shooter |
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Plexi Retrofit Into Combo
Started by 451stroker |
5 Replies
4529 Views |
by sluckey |
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5A5 TV front biasing question
Started by ChubeRules |
6 Replies
5974 Views |
by PRR |
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Soldano SP77 issue
Started by SleepLess |
40 Replies
13454 Views |
by silverfox |
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Pin 3 measurement
Started by pbman1953 |
2 Replies
3312 Views |
by pbman1953 |
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14 Replies
8080 Views |
by Papa Jim |
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9 Replies
5671 Views |
by Papa Jim |
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17 Replies
12446 Views |
by vampwizzard |
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Master volume mod
Started by Swampertech |
24 Replies
10408 Views |
by Swampertech |
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SGH
Started by On The Rocks |
3 Replies
4483 Views |
by jjasilli |
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14 Replies
8519 Views |
by Willabe |
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Splitting Pots for TMB Mids Add
Started by jobewan |
1 Replies
3533 Views |
by Papa Jim |
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