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.

1LA4
Power Pentode

EIA Base & Outline

EIA Base: 5ADEIA Bulb: 9-30

Substitute Data

Preferred Substitutes ......................... 1LB4
Substitutes ................................... 1A5GT
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass lock-in type used in output stage of battery-operated receivers. Requires lock-in 8-contact socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Lock-In 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 5AD

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Source ........................................ RCA RC-15 - 1947
For other characteristics and typical operation, see 1A5GT

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

Thu, 18 Aug 2022 19:05:06 -0700