Summary

CV1988 dual triode. Dual (twin) medium mu triode. Used for a wide variety of purposes in electronic equipment. The 'Y' in the type number indicates that the base is made from mica-filled phenolic material for higher breakdown voltage and lower loss at high frequencies. 6.3 volt indirectly heated cathode at 600 mA, medium-mu mutual conductance 3000, amplification factor 20, equivalent 6SN7GT. Manufactured by Standard Telephones and Cables, Oldway, England, 1960.

Physical Description

Base type: octal (with brown bakelite shell) No. of pins in base: 8 Bulb shape: cylindrical Bulb material: glass

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