Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:21 pm | ||
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| rafe and 43 Guests are viewing this board. | ||||
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telephone troubleshooting a 5E3 Mission Kit
Started by dwp |
5 Replies
5168 Views |
by phsyconoodler |
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old made in USA 12AU7's
Started by oldhippy |
17 Replies
10949 Views |
by bigsbybender |
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OT wiring Question
Started by Platefire |
7 Replies
4779 Views |
by Platefire |
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Power transformers test method ?
Started by kagliostro |
7 Replies
8034 Views |
by kagliostro |
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Help Identifying Transformers
Started by knotscott |
18 Replies
8833 Views |
by PRR |
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Tos build done
Started by Tone Junkie |
10 Replies
5446 Views |
by Tone Junkie |
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10 Replies
6036 Views |
by Shrapnel |
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More loose power amp ?
Started by mat |
3 Replies
3574 Views |
by phsyconoodler |
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11 Replies
6898 Views |
by Boots Deville |
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MOVED: Anyone want a cat?
Started by tubenit |
0 Replies
3710 Views |
by tubenit |
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TOS (TIMBO'S OUTSTANDING SUCCESS)!!!!
Started by TIMBO |
14 Replies
9270 Views |
by TIMBO |
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12au7 tube help and directions
Started by Tone Junkie |
8 Replies
7481 Views |
by Tone Junkie |
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Compactrons
Started by stingray_65 |
3 Replies
4361 Views |
by stingray_65 |
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LED instead of traditional Fender Lamp
Started by samato |
34 Replies
22989 Views |
by PRR |
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jcm 900 model 4100 output transformer
Started by six el six |
7 Replies
8299 Views |
by FYL |
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390-0-390 for 50w marshall?
Started by rdrgtr |
26 Replies
13240 Views |
by imaradiostar |
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TOS schematic values and BOM??
Started by 67polara |
12 Replies
6730 Views |
by PRR |
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MOVED: Very interesting quote
Started by tubenit |
0 Replies
3381 Views |
by tubenit |
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D_mble build into TOS
Started by mat |
19 Replies
9003 Views |
by mat |
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1 Replies
3203 Views |
by Geezer |
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28 Replies
15335 Views |
by FranciscoPerez |
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An amp with 2 separate PI's
Started by macula56 |
6 Replies
4562 Views |
by macula56 |
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Soldering question regarding turrets
Started by Platefire |
12 Replies
6939 Views |
by EL34 |
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18 watt volume/tone with 1M pots ?
Started by Madison |
9 Replies
6789 Views |
by Madison |
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20 Replies
10316 Views |
by Platefire |
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2 Replies
6813 Views |
by PRR |
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my se el84 running at 370 vdc ?
Started by john_t |
23 Replies
9818 Views |
by john_t |
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MOVED: Schematics for "Suhr" sound amps
Started by EL34 |
0 Replies
7229 Views |
by EL34 |
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44 Replies
14753 Views |
by Andre Oliveros |
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3 Replies
3386 Views |
by FYL |
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0 Replies
3558 Views |
by EL34 |
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Harmon Kardon / Mono Block
Started by plexi50 |
16 Replies
8328 Views |
by plexi50 |
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Negative feedback resistor value
Started by jeff |
4 Replies
15268 Views |
by tubeswell |
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Dual Showman Reverb Question
Started by blueznet |
5 Replies
6041 Views |
by blueznet |
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reverb output tranny question
Started by 67polara |
10 Replies
5533 Views |
by EL34 |
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3 Replies
4448 Views |
by LooseChange |
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fender choke in marshall?
Started by rdrgtr |
6 Replies
5265 Views |
by tubeswell |
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4 tube power amp
Started by jeff |
5 Replies
4578 Views |
by eleventeen |
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spacing tubes for layout
Started by zfiles1701 |
5 Replies
4736 Views |
by kagliostro |
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Shielded EQ
Started by plexi50 |
6 Replies
4903 Views |
by plexi50 |
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Revisiting Bass Amps, Final Critique
Started by bluesbear |
20 Replies
8892 Views |
by Tone Junkie |
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5 Replies
4331 Views |
by scarlett amps |
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MOVED: a pair of 9vs to a wall wart....
Started by tubenit |
0 Replies
3372 Views |
by tubenit |
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plate to cathode cap
Started by rdrgtr |
7 Replies
6994 Views |
by Tiny_Daddy |
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9 Replies
5309 Views |
by tubenit |
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1 tube reverb and a foot switch?
Started by 67polara |
2 Replies
3400 Views |
by 67polara |
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I finally sold one of my amps
Started by bigdaddy |
7 Replies
4717 Views |
by Madison |
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5879 RCA or Silvania?
Started by 67polara |
7 Replies
5111 Views |
by jojokeo |
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Measuring NFB resistor in circuit?
Started by Fresh_Start |
5 Replies
5275 Views |
by tubeswell |
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tube markings
Started by ampcabinets |
3 Replies
3687 Views |
by PRR |
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