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.

14A5
Beam Power Amplifier

EIA Base & Outline

EIA Base: 6AAEIA Bulb: 9-30
Source ........................................ RCA RC-15 - 1947

Application

Glass lock-in type used as output amplifier in ac/dc radio receivers. Requires lock-in socket.

Mechanical Data

Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 6AA

Electrical Data

Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -12.5 V
Plate Resistance (approx) ..................... 70K Ω
Transconductance .............................. 3000 µMho
Plate Current (Zero Signal) ................... 30 mA
Plate Current (Maximum Signal) ................ 32 mA
Grid No. 2 Current (Zero Signal) .............. 3.5 mA
Grid No. 2 Current (Maximum Signal) ........... 5.0 mA
Load Resistance ............................... 7.5K Ω
Power Output (approx) ......................... 2.8 W

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 06:09:06 -0700