• 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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EL84 grid voltage?
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13
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6K
planet10
planet10
V
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How do I know that my measured AC voltage is precise?
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13
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2K
Brian Beck
Brian Beck
RenegadeAmps
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High power P-P EL34/6550/KT88 amp suggestions
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5
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3K
Family_Dog
Family_Dog
andyjevans
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Stepped attenuators - break before make?
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6
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3K
andyjevans
andyjevans
R
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With this meter reading, enough to know Fuse is the culprit?
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3
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1K
riotubes
R
T
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tube amp subwoofer hum problem
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3
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3K
MarkER
M
phimor
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Audio innovation L1 valve replacement
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3
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3K
lt cdr data
L
C
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audionote 144 OPT comment pls...
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0
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2K
calico88
C
B
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Help me information of the tubes?
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11
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3K
bufalo
B
R
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45 into an 845 parafeed circuit
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14
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4K
rick57
R
Y
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Marantz 8b operating voltages
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17
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3K
Zen Mod
Zen Mod
S
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4654/4699 pentodes
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7
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11K
andyjevans
andyjevans
R
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2xEL34 vs. 4xEL84 vs. 2x6L6 vs. 4x6V6
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15
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9K
Johan Potgieter
J
N
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Audio Shop Eifl Corporation
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4
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3K
kevinkr
kevinkr
aletheian
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Any tube-sleuths out there know who made these Daystrom tubes?
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3
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3K
aletheian
aletheian
M
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XAM Mark II B
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2
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3K
CharleyW
C
croccodillo
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Screen current
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0
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1K
croccodillo
croccodillo
croccodillo
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KT88 drivers
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3
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3K
croccodillo
croccodillo
nickds1
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KEF/Celestion speakers for tube use...
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1
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2K
Brett
Brett
sorenj07
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My RIAA Phono Stage Project
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16
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6K
sorenj07
sorenj07
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