• 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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50C5=50l6; 12av6=12at6
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nige8388
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smoking-amp
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Trying to find an unusual schematic posted here this Spring
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smoking-amp
smoking-amp
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Any experience to drive 805 tube?
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planar8514
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Size of 5Y3 tubes?
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kevinkr
kevinkr
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Fixed short in a 45
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834
livingdeliberately
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M Gregg
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Signal tube noise!
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15
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Sheldon
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Sch3mat1c
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The Tube Killer Killer?
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Bigun
Bigun
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Ouput voltage of a triode stage on quiescent state should be zero?
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5
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Arnulf
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Stepped Attenuator for Air Tight ATC-1
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Wavebourn
Wavebourn
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Martel FAX-200C
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1
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sepolansky
sepolansky
C
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6n6p headphone amp
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0
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crazy bill
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6v6 PP maggie with Polk SDA 1C
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2
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boywonder
boywonder
navin
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EL34 schematic confusion
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620
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navin
navin
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Stromberg-Carlson AU-32 distortion in preamp
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Westside
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Time to replace my 50 year old filter caps...
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17
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kmcarpenter
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corrections for LF and HF peaking
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4
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DF96
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O
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Why shielded tubes
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7
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DF96
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D
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6922 Loading Question
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1
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DF96
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Bypass the tone control
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off1
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J
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Some questions about an amplifier design
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33
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Jon the Grimm
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