NJ7P SQL Tube Database Query

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6AB9
Dual Tetrode

EIA Base & Outline

EIA Base: 10N
Source ........................................ DuncanAmplifier

Application

Source ........................................ DuncanAmplifier
Uses miniature 9-pin base except has 10 pins. Requires miniature 10-pin socket.

Mechanical Data

Source ........................................ DuncanAmplifier
Bulb .......................................... T-6 1/2
Base Type ..................................... 10-Pin
Maximum Overall Height ........................ 2.190 In.
Maximum Seated Height ......................... 1.660 In.
Maximum Diameter .............................. 0.875 In.
EIA Base ...................................... 10N

Electrical Data

Source ........................................ DuncanAmplifier
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.365 A

Direct Interelectrode Capacitances (approx)

Each Tetrode
Source ........................................ DuncanAmplifier
Input ......................................... 5.7 pf
Output ........................................ 2.7 pf
Grid to Plate ................................. 0.055 pf

Maximum Ratings (Design Center Values)

Each Tetrode
Source ........................................ DuncanAmplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 180 V
Plate Dissipation ............................. 2.0 W
Grid No. 2 Dissipation ........................ 0.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ DuncanAmplifier
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 80 V
Grid No. 1 Voltage ............................ -1.0 V
Plate Resistance (approx) ..................... 110K Ω
Plate Current (Zero Signal) ................... 8.0 mA
Plate Current (Maximum Signal) ................ 2.0 mA

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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.

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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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Tue, 09 Aug 2022 07:17:30 -0700