NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

1LB4
Power Pentode

EIA Base & Outline

EIA Base: 5ADEIA Bulb: 9-30

Substitute Data

Substitutes ................................... 1LA4
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass lock-in type used in output stage of battery-operated receivers. Requires lock-in 8-contact socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Lock-In 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 5AD
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A

Source ........................................ RCA RC-15 - 1947
For other characteristics and typical operation, see 1D8GT

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 29 Sep 2022 22:42:06 -0700