• 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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Grounded Grid Help
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8
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gelder
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John Biles
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Home Made Tubes?? has anyone made one, is it possible??
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7
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Tweeker
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B
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low frequency oscillation in 12B4 linestage
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Burnedfingers
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S
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old tubes
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8
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beamnet
beamnet
jackinnj
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Passive RIAA with tubes
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5
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jackinnj
jackinnj
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Looking for datasheet
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3
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richwalters
richwalters
andyjevans
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Reversing mains toroids for HT
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7
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AudioFreak
AudioFreak
Mr. Triatic
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Audio Innovation 800 mk2 ? advice?
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4
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kmj
kmj
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RCA Phono Stage Redux
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41
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nuvistor
nuvistor
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Heathkit rebuild or...?
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7
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motherone
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T
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el84 - 807 ?
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19
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Dominique_free
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dsavitsk
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Direction for Mounting Transformers
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1
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DoomPixie
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T
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Ecf80
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3
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richwalters
richwalters
A
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feedback phasing
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1
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Joel
Joel
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Need Help for Power Supply for gg Preamp
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7
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vangogh-hk
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bst
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Question on shared rectifier / signal tube filament windings
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2
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bst
bst
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Hum problem
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7
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mongiak
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D
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Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
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28
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Alastair E
Alastair E
S
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EF86 penthode
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8
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ErikdeBest
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B
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How did you do your Aikido?
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18
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aletheian
aletheian
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