Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 10:31:18 am | ||
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One Tube Reverb Signal Input
Started by plexi50 |
0 Replies
3746 Views |
by plexi50 |
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4AB3C1B vs 9AB2C1B
Started by LooseChange |
8 Replies
9057 Views |
by plexi50 |
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2 Replies
4298 Views |
by garyboy |
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Switching between two tone stacks
Started by swipesy |
9 Replies
8245 Views |
by swipesy |
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10 Replies
6477 Views |
by bnwitt |
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gibson ga-20 coupling caps
Started by john_t |
16 Replies
9526 Views |
by john_t |
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super champ input jack wiring
Started by phsyconoodler |
4 Replies
5386 Views |
by phsyconoodler |
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Marshall Reverb Pot Values
Started by plexi50 |
5 Replies
5765 Views |
by plexi50 |
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Active FX box & standby?
Started by tubenit |
2 Replies
4041 Views |
by tubenit |
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47uf for the phase inverter filter
Started by dscottguitars |
8 Replies
9439 Views |
by Willabe |
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8 Replies
10464 Views |
by phsyconoodler |
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high gain jcm 800 50w w/ 2 pairs kt77?
Started by garyboy |
6 Replies
5268 Views |
by garyboy |
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power rail question
Started by ernie_jr |
3 Replies
4751 Views |
by ernie_jr |
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Fixed vs Cathode Biasing
Started by plexi50 |
10 Replies
24292 Views |
by plexi50 |
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Zeners Question
Started by bakerlite |
11 Replies
9951 Views |
by sluckey |
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MOVED: Go Curiousity!!
Started by tubenit |
0 Replies
3844 Views |
by tubenit |
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5 Replies
7932 Views |
by LooseChange |
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10 Replies
7177 Views |
by sluckey |
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pt sourcing
Started by Bugman3183 |
13 Replies
6854 Views |
by EL34 |
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Ampeg GV15
Started by plexi50 |
5 Replies
5878 Views |
by DummyLoad |
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two transformers back to back for isolation
Started by jeff |
4 Replies
4760 Views |
by proaudioguy |
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Tremolux Ab763 Intensity Pot Issue
Started by volt9 |
9 Replies
7036 Views |
by volt9 |
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2 Replies
4611 Views |
by HotBluePlates |
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minature alpha pots
Started by tubenit |
1 Replies
3972 Views |
by sluckey |
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26 Replies
31438 Views |
by HotBluePlates |
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blues deville mods
Started by phsyconoodler |
11 Replies
12793 Views |
by phsyconoodler |
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2 Replies
4644 Views |
by ACHIEVEIT |
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Gulbranson Organ Tube Amp
Started by dpm309 |
28 Replies
15403 Views |
by dpm309 |
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16 Replies
7936 Views |
by jeff |
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9 Replies
7718 Views |
by Willabe |
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4 Replies
5805 Views |
by Tyrannocaster |
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Source for authentic looking tweed fabric
Started by olgoat |
7 Replies
6248 Views |
by scrimpus |
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11 Replies
7943 Views |
by HotBluePlates |
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Cap ? on Fender twin
Started by Bullet175 |
2 Replies
4146 Views |
by Bullet175 |
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Really Low Gain switch - SOLVED
Started by Tyrannocaster |
22 Replies
11131 Views |
by DummyLoad |
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5F6A type amp drawing too much current
Started by six el six |
12 Replies
8821 Views |
by tubeswell |
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Boost foot switch hum problems
Started by Madison |
6 Replies
4809 Views |
by sluckey |
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AA1164 Effects Loop
Started by Ed_Chambley |
5 Replies
6526 Views |
by Fresh_Start |
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No reverb from Fender G15 re-issue
Started by frankeg |
22 Replies
10078 Views |
by frankeg |
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18 Replies
9202 Views |
by Tyrannocaster |
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Another Heater Wiring Question
Started by TIMBO |
7 Replies
5611 Views |
by TIMBO |
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1 Replies
4316 Views |
by mimungr |
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bias pot rating
Started by Quatro |
4 Replies
4159 Views |
by Quatro |
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Noise on new build
Started by rzenc |
14 Replies
8023 Views |
by rzenc |
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3rd prong (AC ground) removed=problems?
Started by Madison |
7 Replies
5357 Views |
by kagliostro |
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Sluckeys' Warbler question
Started by worth |
2 Replies
4238 Views |
by PRR |
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33 Replies
15650 Views |
by baileyblues |
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6V6 Series Heater Wiring
Started by plexi50 |
22 Replies
13257 Views |
by plexi50 |
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Old Brand New EL-34's
Started by Ed_Chambley |
4 Replies
4838 Views |
by Ed_Chambley |
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43 Replies
17358 Views |
by Tyrannocaster |
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