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.

8AC9
Dula-Diode - Pentode

EIA Base & Outline

EIA Base: 12GNEIA Bulb: 9-57

Mechanical Data

EIA Outline ................................... 9-57
EIA Base ...................................... 12GN

Electrical Data

Heater Voltage ................................ 8.4 V
Heater Current ................................ 0.45 A

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

Fri, 09 Dec 2022 05:57:29 -0700