• 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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GM-70, A2, biamping
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10
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6K
victor_2
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T
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Mcintosh Mc-3500 sound
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1
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2K
john curl
john curl
athos56
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New Edcor opt, what would a 150ohm primary be used for?
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31
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Bigun
Bigun
Y
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Anode Follower
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19
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12K
DF96
D
Klaatu
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Opinions Please
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3
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Frank Berry
Frank Berry
M
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Possible tweak
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11
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2K
kevinkr
kevinkr
wrenchone
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Fisher Output Transformer ID
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8
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4K
kenpeter
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R
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Hum Ho
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80
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8K
imfree707
imfree707
00940
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Cathode follower amplifier, push-pull, xformer-coupled
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3
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3K
00940
00940
B
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Coupling Caps for Aikido ACF Buffer
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0
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2K
Bengali
B
chops
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Concerned with current dual 5U4's...
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18
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4K
chops
chops
B
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Wurlitzer 6420 to audio amplifiers
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7
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3K
abhivandansuzuki
A
wrenchone
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Baldwin Transformer Swap
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10
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organjoe
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M
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Driver Tubes: Help Me Decide
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5
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2K
Palustris
Palustris
hidnplayr
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What tube is this?
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9
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3K
DF96
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R
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Phase inverter/power section
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13
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4K
artosalo
artosalo
K
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help with "bruce heran" el84 amp S2
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1
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2K
gingertube
G
T
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DHT Driving Pentode Output Stage Question
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7
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2K
SemperFi
S
R
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power amp current
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7
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1K
kevinkr
kevinkr
D
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Heaters and centre tap
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10
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6K
Brit01
B
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