• 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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Tube sockets for Harmon-K Citation II
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4
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Eli Duttman
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Family_Dog
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EF86 Triode Mode
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4
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7K
Family_Dog
Family_Dog
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Tube audio transformer
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19
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audioPT
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georgehifi
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Help extend the life of my 805's
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5
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SY
SY
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Using a 6SL7 in a tube overdrive pedal instead of 12AX7?
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5
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Giaime
Giaime
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Question on ZZ-1000/8228
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0
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MlinarS
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Buhl
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Help wanted with fixing french DRG valve preamp....
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0
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2K
Buhl
Buhl
jeff mai
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Melbourne, Australia valve enthusiasts check in!
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22
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3K
MIKET
MIKET
leadbelly
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How hot are they supposed to get?
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2
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leadbelly
leadbelly
jeff mai
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Fix loose connection in base with solder pot?
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2
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anatech
anatech
jackinnj
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The first tube "integrated circuit" (1926)
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3
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1K
johnnyx
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S
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some tubes
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6
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jackinnj
jackinnj
Trout
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25BQ6GTB?? Any Good?
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5
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Trout
Trout
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6GK5 vs. EC95/6ER5
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1
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TheGatesOfFate
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Wire types??
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5
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Sch3mat1c
Sch3mat1c
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line-stage preamp tubes? which ones to use...
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12
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Eli Duttman
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do pp output tubes have to be matched?
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12
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richwalters
richwalters
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triode vs. pentode for pp output.
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1
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SY
SY
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6sn7GT
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11
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3K
sunseeker
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percy
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What's wrong with UL anyway ?
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80
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percy
percy
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