• 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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RCA VR Tube engineering data
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7
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staggerlee
staggerlee
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Question about DIY EL34PP amp
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30
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7K
Johan Potgieter
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WE404A drive 6L6 solution
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0
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lonning
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dropping heater voltage
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17
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poobah
poobah
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suggestions for 3 projects please
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0
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musicamex
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Pyre
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Alps 250k in a Pas-3 Question
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2
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Pyre
Pyre
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Designing a preamp with two tubes
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6
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SwedishWings
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Jaime
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Which is the poor man 45 tube?
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4
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kevinkr
kevinkr
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DC heating directly heated output valves
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5
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jlsem
jlsem
johnm
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Quad II: Which resistors?
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5
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5150ed
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KT88 schematic
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18
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8K
22mannightstar
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kmtang
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Audio Note Low Gain Quest Power Amplifier
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0
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3K
kmtang
kmtang
alexmoose
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Push-Pull driver stage?
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12
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Dave Cigna
Dave Cigna
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Secondary Tap of Power Transformer?
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4
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jarthel
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Shoog
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Why does the 6AS7 have such high Miller capacitance ?
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11
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Yvesm
Yvesm
Ryssen
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Svetlanas site down?
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16
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3K
richwalters
richwalters
Dusk
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All Tube Stereo power amplifier
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11
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3K
Klimon
Klimon
dsavitsk
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DHT Topology Comparison Question
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3
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1K
andyjevans
andyjevans
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Help me understand the topologies here...
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8
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Tube_Dude
Tube_Dude
Dusk
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Soft-clipping Circuit/tubecad
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0
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Dusk
Dusk
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