NJ7P SQL Tube Database Query

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12B7ML
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 8VEIA Bulb: 9-30
Source ........................................ ARRL HB - 1947

Mechanical Data

Source ........................................ ARRL HB - 1947
EIA Outline ................................... 9-30
EIA Base ...................................... 8V

Electrical Data

Source ........................................ ARRL HB - 1947
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

Source ........................................ ARRL HB - 1947
For other characteristics and typical operation, see 12B7

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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

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

Sat, 25 Mar 2023 19:44:56 -0700