• 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
tvrgeek
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Project caused by need
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10
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2K
tvrgeek
tvrgeek
I
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Standard tube filament voltages and currents
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5
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3K
tomchr
tomchr
N
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Black out coused demage in tube output stage
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2
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1K
ashok
ashok
athos56
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PSU issues, advice needed.
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6
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1K
athos56
athos56
J
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Need help adding a master volume, and some troubleshooting ...
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18
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7K
jjman
J
zigzagflux
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First foray into SET, design for your comment
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21
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4K
Geek
Geek
X
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Need Help Biasing TRV-M300SE Amps
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2
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2K
Cal Weldon
Cal Weldon
M
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NOS/NIB tubes what does it mean?
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4
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14K
mixich
M
coldcathode
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75 / 2A6 Spice Model?
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5
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2K
coldcathode
coldcathode
crj11
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Question about cathode voltage
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0
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1K
crj11
crj11
M
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Need some tube help!
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4
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1K
mixich
M
C
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Need help on understanding AudioResearch like output stage
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13
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4K
Kashmire
K
martyh
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Will this supply work?
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10
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2K
martyh
martyh
S
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Has anyone done anything with the 6112 tube?
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9
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17K
Spasticteapot
S
K
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Socket Saver
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2
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1K
llwhtt
L
J
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What type of amp should I make with this? Schematic help also needed
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7
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3K
jmilch
J
jmillerdoc
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Help understanding a few Ohm's law calculations
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6
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2K
Arnulf
A
john65b
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Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
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21
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10K
Kashmire
K
H
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Need help wiring CT transformer
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5
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2K
Poindexter
P
8
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Vacuum Tube DAC
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2
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3K
tvrgeek
tvrgeek
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