NJ7P SQL Tube Database Query

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8425A
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 7BKEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6136 6AU6AA 6HS6
Substitutes ................................... 6BA6 6HR6 6AH6 6CG6 6AG5 6BC5 6CE5

Application

Miniature type used in compact radio equipment as an rf amplifier especially in high-frequency, wide-band applications. It is also used as a limiter tube in FM equipment. Tube requires miniature 7-contact socket and may be mounted in any position.

For other characteristics and typical operation, see 6AU6A

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(c) 1994-2021 by William A. Beech, NJ7P

Thu, 18 Aug 2022 00:09:42 -0700