Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 12:19:58 am | ||
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Final approach?
Started by sluckey |
40 Replies
9701 Views |
by PRR |
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70 Watt Pro Reverb (Ultra linear)
Started by 87MJ |
1 Replies
2516 Views |
by phsyconoodler |
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HAMMOND 100W OT tap question
Started by garyboy |
10 Replies
4215 Views |
by DummyLoad |
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Output transformer purchase
Started by hookymonster |
4 Replies
2391 Views |
by smackoj |
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Pots with roughly 30% taper?
Started by Mark |
9 Replies
5993 Views |
by jazbo8 |
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Gutting a 12sq7
Started by Zipslack |
18 Replies
7029 Views |
by PRR |
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Filter Caps On My Marshall 4010
Started by Gary_S |
8 Replies
3706 Views |
by Gary_S |
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12sq7->50L6 SE...request for comments
Started by Zipslack |
20 Replies
13667 Views |
by Zipslack |
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MESA Tone or not
Started by duke of earl |
14 Replies
5480 Views |
by Willabe |
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6 Replies
6464 Views |
by TubeGeek |
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5 Replies
5021 Views |
by tubenit |
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46 Replies
20200 Views |
by Ritchie200 |
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disguise the obvious
Started by worth |
13 Replies
4431 Views |
by rafe |
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5 Replies
2949 Views |
by Madison |
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Troubleshooting Fender amp
Started by ethering |
5 Replies
2798 Views |
by HotBluePlates |
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24 Replies
8177 Views |
by stratele52 |
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newest build pics
Started by phsyconoodler |
9 Replies
2821 Views |
by TIMBO |
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Happy Thanksgiving To All!
Started by plexi50 |
10 Replies
4175 Views |
by Platefire |
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Bizarre problem
Started by 12AX7 |
10 Replies
5204 Views |
by 12AX7 |
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Is this how to wire stereo jack to mono?
Started by frank57 |
2 Replies
2851 Views |
by sluckey |
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parallel triodes & CF
Started by tubenit |
6 Replies
3353 Views |
by 6G6 |
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Substituting pots
Started by knotscott |
4 Replies
2067 Views |
by HotBluePlates |
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6G6-A bias circuit ?
Started by worth |
2 Replies
2628 Views |
by PRR |
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Ampeg B-12-N........
Started by Jack_Hester « 1 2 3 » |
103 Replies
29104 Views |
by Jack_Hester |
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12 Replies
4132 Views |
by PRR |
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Plate current and red glow
Started by dscottguitars |
44 Replies
10462 Views |
by stratele52 |
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DC Heaters
Started by garyboy |
11 Replies
3885 Views |
by Willabe |
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12 Replies
5871 Views |
by jojokeo |
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Stout Reverb question
Started by JBP |
2 Replies
2109 Views |
by triode |
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6000.00 guitar and a cheap amp
Started by phsyconoodler |
22 Replies
6398 Views |
by Zipslack |
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Octal preamp tube dampening
Started by TubeGeek |
15 Replies
7008 Views |
by smackoj |
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AIMS dual twelve
Started by firemedic |
26 Replies
11816 Views |
by SoundmasterG |
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PP EL 34 cathode bias value?
Started by Madison |
24 Replies
24578 Views |
by HotBluePlates |
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ReVibe questions
Started by Gone_Fishing |
3 Replies
2944 Views |
by Gone_Fishing |
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7199 tube pin wiring on a ga19rvt amp!
Started by scott1968 |
4 Replies
2845 Views |
by scott1968 |
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Some new tube protection ?
Started by archaos |
6 Replies
3270 Views |
by mresistor |
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"bad" potentiometer
Started by tubenit |
18 Replies
6650 Views |
by stratele52 |
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How 2 determine origin of buzz?
Started by 12AX7 |
20 Replies
8180 Views |
by stratele52 |
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'3 Monkeys Orangutan' amp
Started by RobBozic |
20 Replies
10789 Views |
by rzenc |
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6 Replies
10651 Views |
by kagliostro |
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10 Replies
3943 Views |
by sluckey |
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switchable master volume ?
Started by worth |
1 Replies
2386 Views |
by six_eight |
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More output from 5E3
Started by six_eight |
25 Replies
8670 Views |
by worth |
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9 Replies
3167 Views |
by Willabe |
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022905 ohms
Started by shooter |
3 Replies
2360 Views |
by shooter |
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Edcor Custom PT?
Started by Willabe |
18 Replies
5371 Views |
by PRR |
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Blues Jr problem
Started by 12AX7 |
13 Replies
5462 Views |
by phsyconoodler |
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RADIOACTIVE MAN????????
Started by TIMBO |
32 Replies
10666 Views |
by phsyconoodler |
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watt for watt, is SE louder than PP?
Started by six_eight |
33 Replies
8505 Views |
by HotBluePlates |
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help with old amp please
Started by zendixie |
7 Replies
3158 Views |
by billcreller |
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