Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 09:06:43 am | ||
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Smoked EL34
Started by panhead |
5 Replies
3494 Views |
by panhead |
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TOS Chassis Recommendations?
Started by theundeadelvis |
10 Replies
4527 Views |
by nateflanigan |
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alternate EF86 pentode?
Started by phsyconoodler |
17 Replies
22871 Views |
by phsyconoodler |
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Bassman 5F6A low voltage on V1 and V2
Started by Throstur |
4 Replies
4114 Views |
by Throstur |
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24 Replies
8566 Views |
by tubeswell |
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12 Replies
5892 Views |
by pbman1953 |
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Any thoughts on white Mallory 150's?
Started by bluesbear |
17 Replies
9555 Views |
by FYL |
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Champ Silverface
Started by Leevi |
10 Replies
5102 Views |
by bigdaddy |
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Identifying a choke
Started by simonallaway |
2 Replies
2961 Views |
by simonallaway |
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14 Replies
7775 Views |
by moonbird |
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4 Replies
3537 Views |
by plexi50 |
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3 Replies
2635 Views |
by RicharD |
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Bogner Ubershall
Started by jcm-jmp |
4 Replies
3276 Views |
by jcm-jmp |
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5879 voltages
Started by phsyconoodler |
6 Replies
4496 Views |
by SoundmasterG |
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7 Replies
4040 Views |
by DummyLoad |
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18w, too much sag
Started by Matty_V |
6 Replies
4102 Views |
by Matty_V |
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Volume boost
Started by macula56 |
18 Replies
6798 Views |
by Tone Junkie |
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Marshall 20 Watt on the bench...pics
Started by TubeGeek |
21 Replies
9299 Views |
by EL34 |
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Preamp VVR bypass tips
Started by moonbird |
2 Replies
2955 Views |
by moonbird |
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Traynor Bassmate yba-2a amp porn
Started by TubeGeek |
9 Replies
6880 Views |
by plexi50 |
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5 Replies
3081 Views |
by EL34 |
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0 Replies
2274 Views |
by EL34 |
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Fixed Bias Equation
Started by plexi50 |
21 Replies
11181 Views |
by plexi50 |
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5 Replies
3115 Views |
by VMS |
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10 Replies
9077 Views |
by kagliostro |
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Allen Accomplice Static
Started by Platefire |
6 Replies
4038 Views |
by Platefire |
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made a big mistake, can anyone help?
Started by bakerlite |
8 Replies
4516 Views |
by Willabe |
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25 Replies
19111 Views |
by PRR |
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0 Replies
2459 Views |
by tubenit |
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5 Replies
3744 Views |
by frank57 |
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Pentode/triode tubes
Started by firemedic |
23 Replies
15895 Views |
by Fresh_Start |
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Magnatone 421 Tremelo & Vibrato Issue
Started by plexi50 |
13 Replies
6901 Views |
by plexi50 |
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Peavy heritage vtx amp conversion?
Started by tubenit |
10 Replies
5906 Views |
by PRR |
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33 Replies
13052 Views |
by jjasilli |
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erm, 380v to pin 1 of a 12ax7?
Started by bakerlite |
6 Replies
3910 Views |
by PRR |
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Bassman AB165
Started by punkykatt |
8 Replies
6698 Views |
by punkykatt |
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Best Fender hiss-fighting tips?
Started by eleventeen |
2 Replies
2915 Views |
by eleventeen |
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MOVED: Building a relay switching circuit
Started by EL34 |
0 Replies
2211 Views |
by EL34 |
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0 Replies
2536 Views |
by EL34 |
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MOVED: Struggles with old liquid tin
Started by EL34 |
0 Replies
2307 Views |
by EL34 |
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MOVED: Unknow speaker. Power handling
Started by EL34 |
0 Replies
2196 Views |
by EL34 |
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Fender Twin on the bench with bad hiss.
Started by bbirling |
1 Replies
3185 Views |
by EL34 |
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Hoffman AB763 [missing .02 cap?]
Started by Raybob |
2 Replies
2588 Views |
by EL34 |
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Combined SS/Tube bridge rectifier
Started by Leevi |
2 Replies
3086 Views |
by Leevi |
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switch instead of pot
Started by Leevi |
10 Replies
4536 Views |
by tubeswell |
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2 Replies
2665 Views |
by kagliostro |
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Where to next?
Started by Matty_V |
21 Replies
7448 Views |
by ncusack |
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Marking Tubes
Started by tubesornothing |
6 Replies
3402 Views |
by jeff |
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SUNN OT compatability question
Started by nateflanigan |
20 Replies
7286 Views |
by Ritchie200 |
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Traynor DarkHorse 15H Tonestacks
Started by Boots Deville |
5 Replies
5511 Views |
by HotBluePlates |
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