NJ7P SQL Tube Database Query

A horizontal ribbon.

Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.

A horizontal ribbon.

12A8
Pentagrid Converter

EIA Base & Outline

EIA Base: 8AEIA Bulb: 8-4
Source ........................................ Sylvania - 1959

Mechanical Data

Source ........................................ Sylvania - 1959
Bulb .......................................... MT-8
Base Type ..................................... Small Wafer Octal
EIA Outline ................................... 8-4
EIA Base ...................................... 8A
Top Cap ....................................... Miniature
Mounting Position ............................. Any

Electrical Data

Source ........................................ Sylvania - 1959
Heater Voltage ................................ 12.5 V
Heater Current ................................ 0.15 A

Source ........................................ Sylvania - 1959
For other characteristics and typical operation, see 6A8

A horizontal ribbon.

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

Please enter the tube number:

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.

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

Mon, 30 Jan 2023 00:11:59 -0700