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6C4C = 6S4S = 6B4G tube. Svetlana factory |
Product description
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Description
Quality Soviet Svetlana Hi-end output triode 6S4S (6C4C). Equivalent to the 6BG4 / 5A4. Military equipment, OTK marked. Great sound.
Type: Output triode
Application: LF power amplification
Cathode type: oxide,direct heating
Envelope: glass
Mass, gr: 75
Filament voltage, V: 6.3
Filament current, A: 0.95-1.15
Anode voltage, V: 250
Anode current, A: 0,042-0,082
Anode power, W: 15
Grid1 voltage, V: -45
Steepness, mA/V: 4.0-6.8
Reverse grid current, uA: 5
Microphnic noise, mV: 500
Gain: 3.8-4.5
Socket type: rsh5-1
Manufacturers: Svetlana plant
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