• 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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do any of these cv4024s seem genuine to you?
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2
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kevinkr
kevinkr
tim614
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RH84 finish!
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28
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costis_n
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Rebuilding my amp, would like some input.
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0
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haroT3k
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Boozhound Choke Tail Pair for HiFi
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4
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ray_moth
ray_moth
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Beard P100 Bias Lights
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5
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louie
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reverse polarity of the chinese goods?
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36
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DualTriode
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Stee
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Enhanced Tube's performance
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3
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Stee
Stee
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Conrad Johnson PV-10a hum. Any advice?
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4
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SY
SY
B
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Quiet amp hums with signal source or input directly tied to star earth??
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51
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bigwill
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Interested in building together a 300B tube amp?
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5
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2K
Yvesm
Yvesm
antiquekid3
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College-proofing an ST-70 (aka autobias+ST-70)
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15
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atmasphere
atmasphere
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Dht ?
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4
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andyjevans
andyjevans
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Need some calculation assist for a psu
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21
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aardvarkash10
aardvarkash10
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Very Cheap Valve preamplifier
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9
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fdegrove
fdegrove
SpreadSpectrum
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What causes saturation in tubes?
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15
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Sch3mat1c
Sch3mat1c
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50s Amplifier
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9
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richwalters
richwalters
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Audio Research D-90
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4
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Stiffler
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Klimo power supply advice
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2
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slofut
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Which capacitors should I replace?
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30
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DF96
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GE 5814 and 12AUCIFTE
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4
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triode82
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