• 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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Aikido All-In-One Octal B+ measurement.
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9
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page28
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Stereo amplifyer project
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5
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brucetassin
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K-16ls
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7
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4K
Doug Kim
Doug Kim
roline
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SEVETLANA "SV" 6550 C vs 6550 C
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5
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dcgillespie
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Preamp hum issues
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78
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M Gregg
M Gregg
martyh
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How close is too close when designing an amp
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5
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martyh
martyh
TheGimp
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6P43P Strange Plate Graphs
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22
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7K
mogliaa
mogliaa
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Fatman I tube Problem
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1
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LinuksGuru
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Need help with Stancor 1.5 K OPT Tran.
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5
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AF Froger
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trobbins
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Ripple reduction with added voltage compensation to HV
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11
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trobbins
trobbins
porkchop61
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Rheostat for adjustable "fixed" bias?
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11
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dorrisant
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digits
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Would this be worthwile restoring?
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10
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tunneldiode
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OTL with 6AN5
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2
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papanohn
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rsumperl
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6HF5 testing
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20
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smoking-amp
smoking-amp
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Vintage WE Tubes
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4
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maxseeley
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Help running RH807 at higher voltage
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7
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2K
carbondated
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A quick question about NFB
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10
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2K
waltube
waltube
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Miniature Tubes
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5
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2K
MicroMinded
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PAS3 - are the tone controls really *that* bad?
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10
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jono1
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PV12 Preamplifier
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150
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TonyTecson
TonyTecson
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