• 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
C
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gridchokes/output caps
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8
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SpreadSpectrum
SpreadSpectrum
T
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Need advice on 300B circuit
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23
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nicoch58
nicoch58
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Power Supply Input Capacitor - JE simple 45 question
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4
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thafred
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djn
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will a PTX without center tap work?
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40
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5K
piano3
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N
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DIY 50C5 mini amp...
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19
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4K
korey
K
B
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Tube output: Voltage or Current source?
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4
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2K
Bobby Dipole
B
jmillerdoc
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Edcor's new E-store website.....finally!
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3
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1K
Wavebourn
Wavebourn
2
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Troubleshooting hum in 12b4 preamp.. finally almost done!!
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60
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9K
240z4u
2
M Gregg
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PCB in components
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5
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1K
Doz
Doz
B
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A Radford STA15 restoration story
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26
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6K
nower
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S
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PRE-AMP PROJECT SRPP + HEADPHONE AMP
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2
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3K
speedmax
S
B
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Tube Longevity
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7
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2K
smoking-amp
smoking-amp
B
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Mini Millet (starving student) and iPod??
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6
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4K
nige8388
N
M
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Power triode drive current requirements
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17
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4K
kavermei
kavermei
E
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Single ended to balanced Aikido with mosfets in buffer position
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0
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exeric
E
coldcathode
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829B/3E29 "Triode" Push Pull Paralleled Sections
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26
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k9swc
K
azazello
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About Hmmmmm
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2
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1K
DF96
D
B
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Is output stage local feedback necessary?
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11
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3K
Miles Prower
Miles Prower
rsumperl
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6BN11 vs 6CB6
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4
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5K
smoking-amp
smoking-amp
7
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Home theater magic smoke...smoked and I think I heard a mirror crack...
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11
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Fenris
F
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