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6S4P-dr.= 6S3P-e triode nos tubes.lot of 10 pcs


with the cathode of indirect heat. It is intended for strengthening a pressure of high frequency in entrance and broadband amplifiers, radio engineering devices. Mainly in schemes with the earthed grid. Durability not less than 10000 ?. Weight no more than 15
The limiting operational data;
It was not used. An army warehouse stock. NOS



6S4P-dr.= 6S3P-e triode nos tubes.lot of 10 pcs