• 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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6gk5/ECC88 Phono any comments.
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velvetsunrise
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stupid switch question
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9
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bigjppop
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R
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8ohm resistor in series with 8ohm speakers for a 16ohm OT?
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Loren42
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C
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Can't get adjustable reg to work
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4
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Bill_P
Bill_P
wicked1
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Strange Aikido problem when home power fluctuates
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12
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ipolyakov
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SUPER cheap nos tubes if you live in california.
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Bob_345
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bembel
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Need ECF80 / 6BL8 tube spice 3f4 model
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19
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karsten21
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S
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KT88 Recommendations?
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11
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mr_Creosotoeus
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9 volt tube preamp.
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0
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Bob_345
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sn2777
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Software analysis using tube analog circuit Audio Note Kit 1
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4
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4K
sn2777
sn2777
Joshua_G
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Looking for R Core power trafo and choke
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4
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2K
Joshua_G
Joshua_G
exurbia
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UV 203A any good for audio ?
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5
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Bob_345
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G
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bottlehead paramour PT
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0
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915
gasser-dude
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6N6P question
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5
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Tyimo
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PP tube amp for bi-amping : above 400 hz
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1
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1K
Evenharmonics
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UniQ
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Bare R Cores and bobbins, where???
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28
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6K
UniQ
UniQ
P
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nos amperex authentic? label doesn't rub off
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4
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2K
Tom Bavis
Tom Bavis
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Help to identify transformers
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6
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jerluwoo
jerluwoo
denny9167
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6SL7 and Crossovers
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6
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SY
SY
martyh
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Formula for Zout of diff pair
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3
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martyh
martyh
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