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.

49
Dual Grid Power Amplifier

EIA Base & Outline

EIA Base: 5CEIA Bulb: 14-1
Source ........................................ RCA RC-13 - 1937

Application

Source ........................................ RCA RC-13 - 1937
Glass type used in output stage of battery-operated receivers. Class A grid 2 connected to plate, Class B both grids connected together.

Mechanical Data

Source ........................................ RCA RC-13 - 1937
Bulb .......................................... ST-14
Base Type ..................................... Medium 5-Pin
EIA Outline ................................... 14-1
EIA Base ...................................... 5C
Mounting Position ............................. Vertical

Electrical Data

Source ........................................ RCA RC-13 - 1937
Filament Voltage .............................. 2.0 DC V
Filament Current .............................. 0.12 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -20 V
Amplification Factor .......................... 4.7
Plate Resistance (approx) ..................... 4175 Ω
Transconductance .............................. 1125 µMho
Plate Current ................................. 6 mA
Load Resistance ............................... 11K Ω
Power Output (approx) ......................... 0.17 W

Push Pull Class B Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 4 mA
Load Resistance ............................... 12K Ω
Power Output (approx) ......................... 3.5 W

Push Pull Class B Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 2.6 mA
Load Resistance ............................... 8000 Ω
Power Output (approx) ......................... 2.3 W

Notes

Source ........................................ RCA RC-13 - 1937
1. Class A Amplifier has grid 2 connected to the plate.

2. Class B Amplifier has grid 2 connected to grid 1.

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

Sun, 26 Jun 2022 05:18:44 -0700