• 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 Circuit Calculation
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chrish
chrish
Destroyer OS
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MiniWatt N3 problems, oscillation thumping and RF/motor problems.
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18
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8K
Destroyer OS
Destroyer OS
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question about the 866a
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heinrichs
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Need to source a PSU chassis - simple steel
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phrarod
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5v3, 5u4, 5u4gb, 5u4gbm, 5931?
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phrarod
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TheGimp
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comparison of heater termination noise
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kevinkr
kevinkr
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Emission - Double Triode
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Sch3mat1c
Sch3mat1c
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60W mono's design help
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6
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bigjppop
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inrush current
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kelly0995
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Psu question - best place for the caps?
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gootee
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freddi
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transformer for quad EL84 SE amp - will Antek 360v work
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0
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freddi
freddi
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2nd harmonic feedback
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3
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DF96
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Designing an OTL / Circlotron
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32
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banat
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Millkido 24
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1
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smoking-amp
smoking-amp
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RCA jacks
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3
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h00hbt
h00hbt
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Recommended upgrades for Yaqin Tube Buffer ?
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5
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maniac2004
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fisher x 100 a
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idea's for a valve preamp
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11
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rotaspec
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first tube amp
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21
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trondareo
trondareo
stokessd
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Yet another Dyna ST-70 Input Board
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6
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stokessd
stokessd
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Bias Adjustment point
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Miles Prower
Miles Prower
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