• 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
DreadPirate
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Tube Testing in DC Area
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1
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964
sepolansky
sepolansky
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how to test chokes for current and voltage
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10
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18K
glennb
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passive 30Hz-20kHz Bandpass filter for tube preamp?
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5
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3K
stratus46
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help troubleshooting gradually distorting tube amp (dropping b+ voltage when hot)
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12
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8K
diblet
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N
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What 2a3 ?
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17
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6K
Nikon1975
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R
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2A3 rectifier
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17
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5K
Mr_Zenith
Mr_Zenith
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Frank's 6sn7 preamp
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9
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3K
mikvous
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Help with Aikido Preamp+class d amp
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0
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934
dine1967
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new to this
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7
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2K
rmyauck
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Guys please help me with my Jolida 102B!
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4
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3K
ncdrawl
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My new 300B Amp
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3
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2K
tomchr
tomchr
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Tube Gear Supply/Surplus in Houston Area
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0
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963
duganj
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how to bypass the volume pot on my SET amp?
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1
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3K
nightanole
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2 stage AIKIDO
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2
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1K
kevinkr
kevinkr
dsavitsk
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BJT Bias?
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17
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4K
kenpeter
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Jaime
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one stage DHT amp
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2
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4K
utopia
utopia
zedrider
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Meng 6PI Biasing Question
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2
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1K
Ian444
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rsumperl
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6LB6's....
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1
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4K
smoking-amp
smoking-amp
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Simple 845 tube monoblock design
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14
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5K
piano3
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807tubenut
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6l6gb PP w/fixed bias?
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9
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2K
807tubenut
807tubenut
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