Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:38 am | ||
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19 Replies
6427 Views |
by SoundmasterG |
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Dual bias mod question
Started by joesatch |
8 Replies
4801 Views |
by astronomicum |
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6V6 20 watt OT
Started by Kaaskop |
20 Replies
8819 Views |
by Kaaskop |
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Trem Injection
Started by Sonny ReVerb |
3 Replies
2648 Views |
by Sonny ReVerb |
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5 Replies
3563 Views |
by sluckey |
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Can i run DC heaters with this?
Started by joesatch |
18 Replies
5931 Views |
by PRR |
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Supro Coronado Build
Started by craigtone |
7 Replies
3475 Views |
by craigtone |
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70s Twin Reverb - Unusual noise
Started by falconer333 |
2 Replies
2675 Views |
by Latole |
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Lectures on cathode followers
Started by lantertronics |
1 Replies
2404 Views |
by Electron Tornado |
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213 Troubadour Voltages
Started by svejkist |
3 Replies
2756 Views |
by svejkist |
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Transformer Selection Question
Started by Kaaskop |
0 Replies
2757 Views |
by Kaaskop |
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6EU7 tube in a guitar amp?
Started by AmberB |
10 Replies
5911 Views |
by HotBluePlates |
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Tube amp and line regulation
Started by pbman1953 |
4 Replies
3023 Views |
by HotBluePlates |
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17 Replies
6025 Views |
by tubeswell |
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Interesting You Tube channels
Started by Electron Tornado |
1 Replies
2444 Views |
by lantertronics |
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55 Replies
16383 Views |
by jamaio |
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5U4M/5C4M Rectifiers
Started by 72Blazer |
12 Replies
5603 Views |
by mresistor |
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Pro Reverb that says it's a Twin?
Started by JB |
8 Replies
3416 Views |
by JB |
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Vibration Induced bias runaway?
Started by Dyerseve726 |
16 Replies
5944 Views |
by shooter |
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Where to get good TUBES
Started by schturlan |
30 Replies
8461 Views |
by j_bruce |
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Common cathode preamp stages
Started by lantertronics |
0 Replies
3068 Views |
by lantertronics |
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Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
5544 Views |
by dwinstonwood |
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Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
3005 Views |
by ebulakowski |
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PI tube type concerns.
Started by joesatch |
4 Replies
2824 Views |
by joesatch |
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6 Replies
3045 Views |
by kagliostro |
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2 Replies
2527 Views |
by kagliostro |
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Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
3746 Views |
by Stuff4bikes |
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PA amp to guitar amp convertion.
Started by distortionhead |
23 Replies
7090 Views |
by kagliostro |
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7 Replies
3879 Views |
by PharmRock |
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Buying power transformers
Started by AmberB |
20 Replies
7423 Views |
by ok_state_blues |
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Ampeg B15S Buzz
Started by sjwood3 |
15 Replies
5906 Views |
by AmberB |
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Repurpose Peavey PT
Started by joesatch |
11 Replies
4121 Views |
by joesatch |
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Power transformer "custom" wiring
Started by Marc |
2 Replies
2731 Views |
by Marc |
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5 Replies
4322 Views |
by shooter |
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Blues Jr. Dummy Load
Started by dpm309 |
5 Replies
4688 Views |
by acheld |
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70 Replies
30723 Views |
by HotBluePlates |
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Mojotone 5E5-A "Pro Amp" Bias Questions
Started by 72Blazer |
47 Replies
11735 Views |
by HotBluePlates |
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120 VAC power amp, 240 VAC preamp?
Started by markmalin |
8 Replies
3477 Views |
by markmalin |
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22 Replies
10093 Views |
by HotBluePlates |
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Suggestions for a low watt amp
Started by liddokun |
39 Replies
13701 Views |
by liddokun |
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60 cycle hum
Started by Bieworm |
19 Replies
7300 Views |
by Bieworm |
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6 Replies
3339 Views |
by Backwoods Joe |
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Ampeg Reverberocket Reissue Mods
Started by davidb |
2 Replies
3040 Views |
by davidb |
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6 Replies
2889 Views |
by smackoj |
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Fender solid state Harvard combo
Started by phsyconoodler |
18 Replies
9713 Views |
by Latole |
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Blues Jr. Converted to AC15
Started by jamaio |
2 Replies
2689 Views |
by jamaio |
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First time I’ve seen this
Started by Blueboozer |
10 Replies
3981 Views |
by uki |
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0A2
Started by Stuff4bikes |
1 Replies
2465 Views |
by sluckey |
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Unusual tube query
Started by isaac_teller |
2 Replies
2710 Views |
by isaac_teller |
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Supertwin help needed
Started by howardmoon |
19 Replies
5791 Views |
by howardmoon |
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