• 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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vacuum tube amplifiers should be produced like this?
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Wavebourn
Wavebourn
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swdfasdfsdf
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Ty_Bower
Ty_Bower
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Ferguson Type: OX170 & Ferguson OP6M Info Needed...
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Rochdale
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pot in tube preamp
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hidnplayr
hidnplayr
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How to define a quality OT?
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jechentau
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What Speaker for Webcor Tube Amp?
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Jazzman1955
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measuring heater voltage
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chopchip
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Opinions on the Conrad Johnson MV75 amplifier please.
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sakellogg
sakellogg
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What amp kits are out there?
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5
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Electro3000
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Lectron pa50+jh50
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3
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Pano
Pano
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the valve with no markings
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hidnplayr
hidnplayr
vitalstates
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amp output testing
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vitalstates
vitalstates
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Help! ground hum
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41
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AndrewT
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Counterpoint SA-7 - need a pic of the inside
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stereoitis
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KenCalgary
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How to Ground a Preamp PCB Board?
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gootee
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Concertina Splitter question - Need help
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dcgillespie
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RH807 / 6L6GC g2 issues
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24
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aardvarkash10
aardvarkash10
Joshua_G
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Medium power SET with parallel OP tubes
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26
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Joshua_G
Joshua_G
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Converting Dynaco ST70 Power Transformer for 12.6V
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JesseG
JesseG
John C
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World Audio Design 5881 Schematic needed
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7
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John C
John C
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