• 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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Schematic needed PL519 Class A SE
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richwalters
richwalters
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bypass tone controls on heathkit sp-2
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5
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Rispoli
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Dylan
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Trouble with my "new" PAS-3 Preamp
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0
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Dylan
Dylan
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EL84/6BQ5 triode pp with no cathode biasing
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19
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DrewP
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musical angel modified marantz 7 preamp schematics
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2
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rchung
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Solder directly on tube?
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22
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anatech
anatech
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article in NY Times on Russian tubes
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1
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EC8010
EC8010
Ryssen
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Use 6C19 in a phono amp?
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6
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Ryssen
Ryssen
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INPOL technology. Duh.
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5
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lndm
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Transformer problem
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11
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trombone
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Schematic needed PL519 Push-Pull Ultra-Linear amp
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0
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mario2005
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JoshK
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Anyone tried a hi-voltage project as their first?
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12
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anatech
anatech
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Power amp harmonics ?
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21
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gingertube
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SE Triode amp for a newbie
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24
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tta60
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5u4
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Critique my circuit?
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8
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2K
Tubelab_com
Tubelab_com
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New EC8010-VT52 Amp
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9
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7K
Zen Mod
Zen Mod
K
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Best cap to cathode tube bypass is …..
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30
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12K
David Davenport
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ATH-W1000 headphones need amplifier
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3
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hower
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Thinking about getting into Tubes, any kit recommendations?
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20
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kevinkr
kevinkr
Rocky
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RGN rectifiers in PSUD2...
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Robert McLean
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