• 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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S5 K-12 Kit sounds excellent with iPod, but relatively low volume with turntable?
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27
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Maxwell Smart
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revintage
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Oriole OPT
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0
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792
revintage
revintage
rsumperl
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26DQ5's vs 26HU5's vs 6KN6's and transformers
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davorin
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Solid State Regulator for tube amp
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49
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NBBN_amplifiers
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J
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Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
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28
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Brit01
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h00hbt
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211 or 845 project
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17
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makaiyumtony
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Bypassing cathode resistor on pp power tube
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5
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ethermion
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djn
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Well, it is time to start thinking about winter projects. GM70
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14
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richwalters
richwalters
mach1
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Cats and tube-a-holics
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40
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planet10
planet10
rsumperl
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26HU5's....and a confession
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0
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rsumperl
rsumperl
rknize
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Bell Sound Systems Pacemaker Model 2220
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1
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2K
Pano
Pano
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SRPP - issues understanding how to increase current
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32
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Brit01
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Safety ?
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14
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DualTriode
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717a 2 stage SE amplifier
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1
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lakeside
lakeside
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Tubes HOT!
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18
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2K
Wavebourn
Wavebourn
Klaatu
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EL34 PP - again !!!
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9
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13K
boywonder
boywonder
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John Swenson's BDT preamp - finally!!
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24
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6K
jkeny
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Merlinb
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Could this be a perfectly linear triode?
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136
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37K
DualTriode
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a.wayne
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Need match Pr KT-88
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2
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872
SGregory
SGregory
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SS rectifier for SimpleSE and others...
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2
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cjkpkg
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