• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Tubes / Valves

All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
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Bias worry
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kavermei
kavermei
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Is a LM335 a direct replacement for a LM317T?
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phrarod
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300b dpa
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Nelson Bass
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tube amp
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miamiphoto
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Aikidio Phono Amp Questions
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johnsonad
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awesome RCA MI 12158 tube amp project
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nvaeth
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Wavebourn
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Crazy idea: Output tranny with constant magnetic gap?
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Yvesm
Yvesm
azazello
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Tube ampl. for repair
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azazello
azazello
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Poor soundstage with SET 300B
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54
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jeepy
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Sansui 500EA vs. 500A
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rwm8088
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Need biasing advice, cathode biased amp.
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17
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idebb
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el156
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12b4a phase splitter! The best?
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radiostar
radiostar
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6SL7 distortion
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Yvesm
Yvesm
andyjevans
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DHT drivers - shootout
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28
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andyjevans
andyjevans
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6AK6 low power tube amp finished
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cloudhopper
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Craig405
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MOSFET current source as triode load
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46
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Gordy
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Thyratrons
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Sch3mat1c
Sch3mat1c
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Guess That Tube
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84
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Wavebourn
Wavebourn
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China Sountrack KT88 need shematic
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dmkbox
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6AV5GA amp?
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10
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alexg
alexg
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