The item is Pre-owned and may have some signs of use/age. In very good overall condition. The box is dated 12-65... I don't see the date on the tube itself. It's hard to tell if it was ever used... The original box has some cosmetic damages, and it will be shipped in an additional box. Free 30-day seller warranty is included Please see all the pictures for its details and condition. The pictures are the part of the description, and you will get the pictured item
PAIR 6S15P. Resistance in cathode circuit, Ohm 30.
This Western Electric 300B vacuum tube with a DD was manufactured in 1965 (6539 date code). The tube is very clean and tested NOS at 106% ip and 93% gm and appears to never have been used. Come with original box.
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