NJ7P SQL Tube Database Query

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14A7
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 8VEIA Bulb: 9-30

Substitute Data

Preferred Substitutes ......................... 12B7
Source ........................................ RCA RC-15 - 1947

Application

Glass lock-in type used as rf or if amplifier in ac/dc radio receivers. Requires lock-in socket. Except for heater rating and capacitances, it is identical to 6SK7.

Mechanical Data

Bulb .......................................... T-9
Base Type ..................................... Lock-in 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 8V
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.15 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -3 V
Plate Current ................................. 9.2 mA

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Thu, 08 Dec 2022 02:36:28 -0700