Universal PCB for ECC88, E88CC, 6922, 6N2P, 6N6P and ECC81, ECC82 and ECC83 PCB features: Possibility installation: additional filter capacitor for anodes capacitor blocking cathode resistor p...Read More…
Universal PCB for ECC88, E88CC, 6922, 6N2P, 6N6P and ECC81, ECC82 and ECC83
PCB features: Possibility installation:
Different compare ECC88 and ECC81,82,83: Heater PSU For ECC88 leg 9 is connected to the shield that separates triode in the tube - it can be shorted to ground. For ECC81-83 leg 9 pin connected the center of the filament, so you can power the 12.6V (between legs 4-5) or 6.3V voltage (between 4-5 legs shorted and 9 leg).
SRPP - Shunt Regulate Push-Pull
CCDA- Circuit - constant-current-draw amplifier
Theory for CCDA:
Offer applies: 1 x bare PCB + circuit diagram
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Poczta Polska: Standard Ground Rate
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