• 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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717a Datasheet
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7
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Kyle K
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W
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833a plate resistance ?
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8
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woody
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tenderland
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second harmonic distortion
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5
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jan.didden
jan.didden
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Need advice on old 6bq5 amp...........
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27
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cadaverdog
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Does anyone know this english amp ?
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12
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v-man
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J
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6072A Line-Amp
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39
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JDeV
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Preamp: Foreplay or 5687 or 12B4
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24
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Brett
Brett
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Best place to place bleeder resistor in a power supply?
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13
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morfeas
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M
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different psu filter topologies ?
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4
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James D.
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ashok
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Tweeks on tubes - bring out the demagnetiserss
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36
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smoking-amp
smoking-amp
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12B4 Battery Bias from (Preamp: Foreplay or 5687 or 12B4 )
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3
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woody
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garbage
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rca83 rectifier precautions
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4
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GaryW
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Sch3mat1c
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Absolute. Best. Chassis. Ever.
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23
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mcs
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M
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Experiences with White CF/CCS CF output stage
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50
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mashaffer
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S
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Need Six-pac amp schematic
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1
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Tom Bavis
Tom Bavis
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6L6'S vs EL34's
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8
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6K
fdegrove
fdegrove
Polimorph
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Tubes in Class D amplifiers
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45
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koldby
koldby
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Zout adapted for 2 EL34 80W Va=560V
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2
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Davidakosa
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Question about direct coupling a anode follower into a cathode follower.
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45
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SY
SY
tenderland
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load line - truth or fiction
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4
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Sch3mat1c
Sch3mat1c
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