Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 09:55:33 pm | ||
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Transformer Selection Question
Started by Kaaskop |
0 Replies
1987 Views |
by Kaaskop |
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6EU7 tube in a guitar amp?
Started by AmberB |
10 Replies
5116 Views |
by HotBluePlates |
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Tube amp and line regulation
Started by pbman1953 |
4 Replies
2467 Views |
by HotBluePlates |
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17 Replies
5061 Views |
by tubeswell |
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Interesting You Tube channels
Started by Electron Tornado |
1 Replies
2002 Views |
by lantertronics |
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55 Replies
14161 Views |
by jamaio |
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5U4M/5C4M Rectifiers
Started by 72Blazer |
12 Replies
4831 Views |
by mresistor |
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Pro Reverb that says it's a Twin?
Started by JB |
8 Replies
2788 Views |
by JB |
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Vibration Induced bias runaway?
Started by Dyerseve726 |
16 Replies
5123 Views |
by shooter |
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Where to get good TUBES
Started by schturlan |
30 Replies
7039 Views |
by j_bruce |
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Common cathode preamp stages
Started by lantertronics |
0 Replies
2243 Views |
by lantertronics |
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Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
4648 Views |
by dwinstonwood |
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Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
2439 Views |
by ebulakowski |
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PI tube type concerns.
Started by joesatch |
4 Replies
2339 Views |
by joesatch |
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6 Replies
2537 Views |
by kagliostro |
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2 Replies
2049 Views |
by kagliostro |
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Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
3204 Views |
by Stuff4bikes |
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PA amp to guitar amp convertion.
Started by distortionhead |
23 Replies
6305 Views |
by kagliostro |
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7 Replies
3279 Views |
by PharmRock |
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Buying power transformers
Started by AmberB |
20 Replies
6532 Views |
by ok_state_blues |
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Ampeg B15S Buzz
Started by sjwood3 |
15 Replies
5077 Views |
by AmberB |
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Repurpose Peavey PT
Started by joesatch |
11 Replies
3493 Views |
by joesatch |
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Power transformer "custom" wiring
Started by Marc |
2 Replies
2362 Views |
by Marc |
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5 Replies
3729 Views |
by shooter |
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Blues Jr. Dummy Load
Started by dpm309 |
5 Replies
4132 Views |
by acheld |
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70 Replies
28803 Views |
by HotBluePlates |
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Mojotone 5E5-A "Pro Amp" Bias Questions
Started by 72Blazer |
47 Replies
10137 Views |
by HotBluePlates |
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120 VAC power amp, 240 VAC preamp?
Started by markmalin |
8 Replies
2967 Views |
by markmalin |
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22 Replies
8740 Views |
by HotBluePlates |
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Suggestions for a low watt amp
Started by liddokun |
39 Replies
12268 Views |
by liddokun |
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60 cycle hum
Started by Bieworm |
19 Replies
6122 Views |
by Bieworm |
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6 Replies
2807 Views |
by Backwoods Joe |
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Ampeg Reverberocket Reissue Mods
Started by davidb |
2 Replies
2513 Views |
by davidb |
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6 Replies
2450 Views |
by smackoj |
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Fender solid state Harvard combo
Started by phsyconoodler |
18 Replies
8962 Views |
by Latole |
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Blues Jr. Converted to AC15
Started by jamaio |
2 Replies
2232 Views |
by jamaio |
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First time I’ve seen this
Started by Blueboozer |
10 Replies
3408 Views |
by uki |
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0A2
Started by Stuff4bikes |
1 Replies
2046 Views |
by sluckey |
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Unusual tube query
Started by isaac_teller |
2 Replies
2225 Views |
by isaac_teller |
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Supertwin help needed
Started by howardmoon |
19 Replies
5167 Views |
by howardmoon |
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power tube 1 ohm to ground confusion
Started by joesatch |
16 Replies
5399 Views |
by Dyerseve726 |
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Build suggestions for a W02273 PT
Started by 72Blazer |
6 Replies
3106 Views |
by Dyerseve726 |
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Old Timey 6K6 build
Started by bmccowan |
17 Replies
5016 Views |
by bmccowan |
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How to Bias Fender PA 100 / Twin
Started by TerryD |
2 Replies
2711 Views |
by pdf64 |
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Enclosed VS Open Frame choke
Started by Jonas |
6 Replies
3057 Views |
by tubeswell |
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Sovtek MIG100H elusive hum
Started by luis.castillo |
5 Replies
2987 Views |
by luis.castillo |
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28 Replies
7335 Views |
by Soulfetish |
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16 Replies
4801 Views |
by pdf64 |
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Marshall Haze 40 Intermittent Volume Drop
Started by Travis8 |
10 Replies
4338 Views |
by Latole |
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Bias supply resistor question.
Started by joesatch |
1 Replies
2093 Views |
by sluckey |
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