NJ7P SQL Tube Database Query

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4AU6
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 7BKEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 4BA6
Substitutes ................................... 4BC5 4BZ6 4CB6 4CE5 4CF6
Source ........................................ RCA RC-29 - 1975

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7BK
Mounting Position ............................. Any

Source ........................................ RCA RC-29 - 1975
For other characteristics and typical operation, see 6AU6A

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Fri, 12 Aug 2022 15:03:58 -0700