NJ7P SQL Tube Database Query

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39A
Remote Cutoff Pentode

EIA Base & Outline

EIA Base: 5FEIA Bulb: 12-6

Substitute Data

Preferred Substitutes ......................... 44
Source ........................................ Sylvania 1959

Mechanical Data

Bulb .......................................... ST-12
EIA Outline ................................... 12-6
EIA Base ...................................... 5F

For other characteristics and typical operation, see 39

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Complete Tube Manuals:
Tube Manual Index from NJ7P

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Wed, 08 Dec 2021 11:56:26 -0700