• 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 transformer coupled output
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DualTriode
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Audio drive to g2 connected to g1 via 15K0
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5
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Miles Prower
Miles Prower
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tube rectified psu
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6
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Eli Duttman
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athos56
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Mixed bias for balancing unmatched tubes in PPP?
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20
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athos56
athos56
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Advice Needed: "Flabby" Amp Low-End
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speakerfritz
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Another Counterpoint SA-7.1 question
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ditubo
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ARC VS60 hum in speaker
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19
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GeneJazz
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bowei amp for audionote ax-2 speakers?
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8
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brubeck
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5842 grid leak
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3
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regal
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jlsem
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How a Triode Works
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21
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mace1337
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AMI Jukebox speaker impedence question
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1
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aardvarkash10
aardvarkash10
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Shorted EL34 ?
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3
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DonDiego
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stein2
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12BH7A driver stage help
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0
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stein2
stein2
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EL3N substitute
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2
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barrymagrec
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Need help for a bias circuit
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6
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jonas86
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Anyone have information on 300B silvertone tube
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5
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thaisolar
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Newbie here with a couple questions
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5
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928
Poindexter
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richwalters
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A little digression= read on
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17
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Tubelab_com
Tubelab_com
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Eico HF20 Output Txr Questions
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2
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Doug R
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6P14P push pull with low output
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17
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kevinkr
kevinkr
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