Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:55:11 am | ||
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44 Replies
12386 Views |
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3 Replies
2525 Views |
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2800 Views |
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Harmon Kardon / Mono Block
Started by plexi50 |
16 Replies
6714 Views |
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Negative feedback resistor value
Started by jeff |
4 Replies
13762 Views |
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Dual Showman Reverb Question
Started by blueznet |
5 Replies
4834 Views |
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reverb output tranny question
Started by 67polara |
10 Replies
4538 Views |
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3 Replies
3599 Views |
![]() by LooseChange |
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fender choke in marshall?
Started by rdrgtr |
6 Replies
4283 Views |
![]() by tubeswell |
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4 tube power amp
Started by jeff |
5 Replies
3558 Views |
![]() by eleventeen |
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spacing tubes for layout
Started by zfiles1701 |
5 Replies
3687 Views |
![]() by kagliostro |
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Shielded EQ
Started by plexi50 |
6 Replies
3664 Views |
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Revisiting Bass Amps, Final Critique
Started by bluesbear |
20 Replies
7145 Views |
![]() by Tone Junkie |
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5 Replies
3368 Views |
![]() by scarlett amps |
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MOVED: a pair of 9vs to a wall wart....
Started by tubenit |
0 Replies
2635 Views |
![]() by tubenit |
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plate to cathode cap
Started by rdrgtr |
7 Replies
5884 Views |
![]() by Tiny_Daddy |
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9 Replies
4190 Views |
![]() by tubenit |
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1 tube reverb and a foot switch?
Started by 67polara |
2 Replies
2602 Views |
![]() by 67polara |
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I finally sold one of my amps
Started by bigdaddy |
7 Replies
3533 Views |
![]() by Madison |
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5879 RCA or Silvania?
Started by 67polara |
7 Replies
4152 Views |
![]() by jojokeo |
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Measuring NFB resistor in circuit?
Started by Fresh_Start |
5 Replies
4318 Views |
![]() by tubeswell |
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tube markings
Started by ampcabinets |
3 Replies
2891 Views |
![]() by PRR |
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6 Replies
4093 Views |
![]() by DummyLoad |
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Desktop Series Overdrive done - again
Started by LooseChange |
20 Replies
8669 Views |
![]() by tubenit |
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Blues Jr crackling
Started by Cups |
13 Replies
12740 Views |
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3 Replies
3148 Views |
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11 Replies
4825 Views |
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Magnatone M10A OT
Started by plexi50 |
13 Replies
5169 Views |
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16 Replies
6206 Views |
![]() by jojokeo |
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7 Replies
3550 Views |
![]() by archaos |
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PEAVEY WINDSOR O.T.B.
Started by rzenc |
2 Replies
2555 Views |
![]() by rzenc |
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Variable NFB pot
Started by madditch |
5 Replies
5439 Views |
![]() by Platefire |
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6SN7 or 6SL7?
Started by Madison |
15 Replies
15451 Views |
![]() by panhead |
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1-Tube Reverb sounds
Started by topbrent |
0 Replies
3022 Views |
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Tex Caps
Started by ampcabinets |
6 Replies
4057 Views |
![]() by stingray_65 |
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17 Replies
7163 Views |
![]() by Fresh_Start |
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Clipping Diodes In Marshall 2203
Started by plexi50 |
6 Replies
6659 Views |
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MOVED: Insane POLL!
Started by sluckey |
0 Replies
2882 Views |
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5 volt PT tap tied to 6.3 volt tap??
Started by bnwitt |
3 Replies
3355 Views |
![]() by Merlin |
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Blackface Princeton Reverb on bench
Started by Fresh_Start |
5 Replies
3862 Views |
![]() by Fresh_Start |
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Champ 420V B+; Misload Transformer?
Started by jeff |
20 Replies
9683 Views |
![]() by bigdaddy |
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here is that Vibrolux rebuild of a Univox 1226
Started by ampcabinets |
6 Replies
4426 Views |
![]() by Shrapnel |
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Choke, need info???
Started by sawdust |
8 Replies
3869 Views |
![]() by PRR |
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I've done it again (Vibrochamp woes)
Started by rafe |
25 Replies
8123 Views |
![]() by rafe |
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Class A operation (push-pull output)
Started by bruno |
15 Replies
9615 Views |
![]() by Merlin |
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3 Replies
4257 Views |
![]() by Geezer |
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Trying to ID a 822348 Tube
Started by zendragon63 |
9 Replies
4994 Views |
![]() by zendragon63 |
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3 Replies
3744 Views |
![]() by stantheman |
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No problems this time- it's done!
Started by firemedic |
5 Replies
3303 Views |
![]() by firemedic |
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My version of the TOS
Started by stingray_65 |
27 Replies
8709 Views |
![]() by 67polara |
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