NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

79
Class B Twin Amplifier

EIA Base & Outline

EIA Base: 6HEIA Bulb: 12-6
Source ........................................ RCA RC-13 - 1937

Application

Glass type used in output stage of radio receivers as a class B power amplifier or a class A! driver. Requires six-contact socket.

Mechanical Data

Bulb .......................................... ST-12
Base Type ..................................... Small 6-Pin
EIA Outline ................................... 12-6
EIA Base ...................................... 6H
Top Cap ....................................... Small Metal
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Characteristics and Typical Operation

Push Pull Class B Amplifier
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 10.6 mA
Driving Power ................................. 0.38 W
Load Resistance ............................... 14K Ω
Power Output (approx) ......................... 8.0 W

Push Pull Class B Amplifier
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 7.6 mA
Driving Power ................................. 0.38 W
Load Resistance ............................... 7K Ω
Power Output (approx) ......................... 5.5 W

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 18 Aug 2022 10:54:25 -0700