• 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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Another Williamson
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3
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mashaffer
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Please don't stone me. . . .
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11
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Nihilist
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tone
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SE Tube Preamp circuit using 6922/6dj8 at low voltage(24volt) needed! anyone?
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7
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kenpeter
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schematic request Yarland FV34AIII
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rotaspec
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Usefullness of tubes
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61
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atmasphere
atmasphere
Ty_Bower
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Power transformer - good for anything?
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5
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TonyTecson
TonyTecson
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300B SE Design
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9
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Monta
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JammyBStard
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Low Voltage Tube Preamplifier
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173
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KJ2005
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piecor
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Passive filter at tube amp input
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8
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planet10
planet10
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Another cheap tube amp from China
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10
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Kristian
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How to measure and adjust bias
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4
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rotaspec
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Trout
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The Return Of Blackburn Mullards?
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167
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pointy
pointy
alexg
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Weird EL84 PP behavior
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8
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alexg
alexg
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Changing secondary voltage (Uncivilized way)
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5
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Richard Ellis
Richard Ellis
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where to add master volume/gain/tone to Bogen L330?
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0
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nich0lai
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input tubes for 300b
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25
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mach1
mach1
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Mullard 5-20
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137
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50K
JDeV
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tim614
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"groundbus" is this right?
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8
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jrenkin
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4EH7 opinions anyone?
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12
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bacon665
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Gaijin friendly audio shop in Tokyo area?
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1
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Nikon1975
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