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Glass type used in output stage of radio receivers. Requires four-contact socket and should be mounted in vertical position. Horizontal operation is permissible if pins 1 and 4 are in vertical plane.
For other characteristics and typical operation, see 45
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(c) 1994-2021 by William A. Beech, NJ7P
Sat, 02 Jul 2022 20:16:31 -0700