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.

6922
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 9AJEIA Bulb: 6-2
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 6-2
EIA Base ...................................... 9AJ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Triode 1
Input ......................................... 3.3 pf
Output ........................................ 1.75 pf
Grid to Plate ................................. 1.4 pf

Triode 2
Input ......................................... 3.3 pf
Output ........................................ 1.65 pf
Grid to Plate ................................. 1.4 pf

Maximum Ratings (Design Center Values)

Triode 1
Plate Voltage ................................. 220 V
Plate Dissipation ............................. 1.5 W

Triode 2
Plate Voltage ................................. 220 V
Plate Dissipation ............................. 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 680 Ω
Amplification Factor .......................... 33
Transconductance .............................. 12500 µMho
Plate Current ................................. 15 mA

Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 120 Ω
Amplification Factor .......................... 33
Transconductance .............................. 11.5K µMho
Plate Current ................................. 12 mA

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

Tue, 29 Nov 2022 01:46:51 -0700