• 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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Transformer Building
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Sheldon
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P
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Why two diodes per branch on a full wave rectifier?
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31
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TonyTecson
TonyTecson
dsavitsk
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Pin 9 on 6n6P, 6H30, etc
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3
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hagtech
hagtech
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100watt mono blocks
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sorenj07
sorenj07
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tube mic preamp kit??
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EC8010
EC8010
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One B+ for the both driver and output tube if they are identical?
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5
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zobsky
zobsky
Giaime
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A little research: old tube amps from the past
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84
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Giaime
Giaime
alexmoose
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The SACD Meets Tubes
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9
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Shoog
Shoog
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Old radio quick question re PS
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17
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anatech
anatech
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Croft Super Micro meets Acoustat TNT200
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0
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billa
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Kofi Annan
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Kofi Annan in: "300beee!" or "Kofi Gets a Toy"
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125
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Tweeker
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batinal
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Useful Abbreviations
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10
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TonyTecson
TonyTecson
dsavitsk
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Grid Stopper for parallel sides of dual triode
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6
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Tubes4e4
Tubes4e4
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help on line pre-amp
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Sheldon
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wrenchone
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Fisher 500B Schematic Question
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5
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wrenchone
wrenchone
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SE Output Transfromers Question
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3
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arnoldc
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How can I change bias 6H30pi tube
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8
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wrangler
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centre tap or floating heaters?
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3
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cm_ls1
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Trout
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Converting 6.3V to 6.3VCT Quick questions
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4
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TonyTecson
TonyTecson
C
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New driver for SE 2A3
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11
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kmtang
kmtang
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