Title imageTitle image

 Menu

 

 Information

7494 Pinout
basing pinout

 

7494 Substitutes
Different rating or performance 12AX7, 12AX7A, 12AX7R, 12AX7S, 12AX7WA, 5751, 5751WA, 6057, 6681, 6L13, 7025, 7382, 7729, B339, CK5751, CV10319, CV4004, CV4017, CV492, CV8156, CV8222, CV8312, E2164, E83CC, ECC803, ECC803S, ECC83, ECC863, M8137, QB339
Different filament voltage 20EZ7, 6AX7

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.

 

7494 Ratings

No information available

7494 Application Data
Class Va Vg1 Ia Ra S
A 250 -2.0 1.25 62,500 1.6
Triode 250 -2 1.2 62,500 1.6

 

7494 Data sheet links
Duncan''s Amp Pages Vade Mecum s.345: Acrobat PDF (2 pages)
Peter Millett 20EZ7: Acrobat PDF 186K
N7JP Tube Database 20EZ7: HTML page
Frank Philipse 20EZ7: .gif file

 

All content on this page is copyright 1997-2013 Duncan Amplification.
Please report any issues with the site through the forum. Some images courtesy of the Great Notley Photography Club.

Version: PHP release 1.08 28/02/2010