• 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
smoking-amp
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Positronic Tubes
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7
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2K
smoking-amp
smoking-amp
C
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Another PP 6B4G
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3
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2K
Ciscokid
C
alexmoose
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Diy Paradise!
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3
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3K
arnoldc
A
Giaime
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Eliminating the OPT: impedance matching
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4
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2K
Giaime
Giaime
C
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slight hum still haunting me
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5
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2K
Carlp
C
HipoFutura
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Can't get solder to stick
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24
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5K
jlsem
jlsem
V
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Paint steel chassis with the "aluminum paint" used on wire fence?
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2
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2K
Sherman
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R
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Best bias for 6cg7
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5
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3K
rossdt
R
alexmoose
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CCS bias question
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4
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2K
Brian Beck
Brian Beck
S
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PL504/EL84 SE vs parafeed
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9
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7K
Shoog
Shoog
gary f
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Problem: Really Bright glowing 6CA7
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14
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3K
kevinkr
kevinkr
leadbelly
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What's the deal with Broskie's iPod buddy?
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2
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2K
moamps
moamps
M
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parallel sections
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1
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1K
Tubes4e4
Tubes4e4
S
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EL84 amp plus subwoofers? STUPID? OR NOT?
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0
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1K
scherffi
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V
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My experience: the cheap punch set VS Greenlee punch
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5
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12K
smoking-amp
smoking-amp
R
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[help] Look for McIntosh MI-200 Circuit diagram
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0
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4K
RCA245
R
S
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Quick identification question
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3
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1K
Gold_xyz
Gold_xyz
S
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Best way of reducing heater voltage?
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14
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8K
jane
jane
S
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Some more RIAA questions
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5
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1K
Sheldon
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E
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Voltage Multipliers
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23
Views
6K
andrew_whitham
andrew_whitham
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