NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

Sharp-Cutoff Tetrode

EIA Base & Outline

EIA Base: 4KEIA Bulb: 14-2
Source ........................................ RCA R-10 - 1932


Glass type used as rf amplifier in dry-battery-operated receivers. Requires four-contact socket.

For other characteristics and typical operation, see 22

A horizontal ribbon.

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This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

Other Tube Search Engines:
Frank's Electron Tube Pages

Complete Tube Manuals:
Tube Manual Index from NJ7P

A horizontal ribbon.

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Mon, 05 Dec 2022 00:45:08 -0700