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.

6GK6
Power Pentode

EIA Base & Outline

EIA Base: 9GKEIA Bulb: 6-4

Substitute Data

Substitutes ................................... 6HB6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in the output stage of audio amplifying equipment and also in the video output stage of color and BW TV receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-4
EIA Base ...................................... 9GK
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.76 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 10 pf
Output ........................................ 7 pf
Grid to Plate ................................. 0.14 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 13.2 W
Grid No. 2 Dissipation ........................ 2 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -7.3 V
Peak Grid No. 1 Voltage........................ 7.3 V
Plate Resistance (approx) ..................... 38K Ω
Transconductance .............................. 11.3K µMho
Plate Current (Zero Signal) ................... 48 mA
Plate Current (Maximum Signal) ................ 50.6 mA
Grid No. 2 Current (Zero Signal) .............. 5.5 mA
Grid No. 2 Current (Maximum Signal) ........... 10 mA
Load Resistance ............................... 5.2K Ω
Power Output (approx) ......................... 5.7 W

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 135 Ω
Peak Grid No. 1 Voltage........................ 7.3 V
Plate Resistance (approx) ..................... 38K Ω
Transconductance .............................. 11.3K µMho
Plate Current (Zero Signal) ................... 48 mA
Plate Current (Maximum Signal) ................ 50.6 mA
Grid No. 2 Current (Zero Signal) .............. 5.5 mA
Grid No. 2 Current (Maximum Signal) ........... 10 mA
Load Resistance ............................... 5.2K Ω
Power Output (approx) ......................... 5.7 W

Class AB1 Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 130 Ω
Peak Grid No. 1 Voltage........................ 22.4 V
Plate Current (Zero Signal) ................... 62 mA
Plate Current (Maximum Signal) ................ 75 mA
Grid No. 2 Current (Zero Signal) .............. 7 mA
Grid No. 2 Current (Maximum Signal) ........... 15 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 11 W

Class AB1 Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 130 Ω
Peak Grid No. 1 Voltage........................ 28 V
Plate Current (Zero Signal) ................... 72 mA
Plate Current (Maximum Signal) ................ 92 mA
Grid No. 2 Current (Zero Signal) .............. 8 mA
Grid No. 2 Current (Maximum Signal) ........... 22 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 17 W

Class B Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -11.6 V
Peak Grid No. 1 Voltage........................ 22.4 V
Plate Current (Zero Signal) ................... 20 mA
Plate Current (Maximum Signal) ................ 75 mA
Grid No. 2 Current (Zero Signal) .............. 2.2 mA
Grid No. 2 Current (Maximum Signal) ........... 15 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 11 W

Class B Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -14.7 V
Peak Grid No. 1 Voltage........................ 28 V
Plate Current (Zero Signal) ................... 15 mA
Plate Current (Maximum Signal) ................ 92 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 22 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 17 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

Thu, 18 Aug 2022 19:17:49 -0700