• 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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Need some help with RIAA Preamp
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50
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porkchop61
porkchop61
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Watt the?
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31
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dovla
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N
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volume rise with frequency problem
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1
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1K
Miles Prower
Miles Prower
wrenchone
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Scott Transformers
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29
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9K
bpasok
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GU50 compared with EL84
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2
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Ian444
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mobyd
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Collets for 212 pins
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4
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astouffer
astouffer
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Plexiglass case for small tubes?
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18
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Arnulf
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Want to build a C3G linestage
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5
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8K
Stixx
Stixx
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Does anyone have any FFT plots from real Class-AB tube amps?
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52
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7K
teemuk
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Good speakers to match a K-12
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5
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kfranko
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Y
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Blending 12ax7 parallel gain stages
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22
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youngb4
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V
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ACROSOUND direct-couple EL84 amplifier question
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18
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10K
dcgillespie
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S
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Headphone Amplifier 6922EH
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5
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3K
becki200
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C
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30A5 tubes
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0
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2K
civic2006
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Rod Coleman
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Testing for a Damaged Output Trafo
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18
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3K
dcgillespie
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el156
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Input stage
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33
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5K
el156
el156
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Driving Long Cables, how much current?
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5
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1K
SemperFi
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C
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twin triode question
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1
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1K
JohnAtwood
JohnAtwood
P
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How is wattage calculated when only using a single section?
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6
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phrarod
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12AU7 tube preamplifier schema
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6
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mashaffer
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