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7189 Pinout
basing pinout
Note: pins 1, 6, and 8 are internal connections

 

7189 Substitutes
Different rating or performance 6BQ5, 6P15*, 7189A, 7320, CV10321, CV2975, CV8069, E84L, EL84, EL84S, N709
Different pinout 6GK6
Different filament voltage 10BQ5, 10GK6, 16GK6, 29GK6

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.

 

7189 Ratings
Vh Ih VaMax Vg2Max PaMax Pg2Max
6.3 0.76 400 300 12 2.0

 

7189 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S Rk Zout Pout THD
A S/E 250 250 -7.3 48.0 5.5 40,000 11.3
AB1 400 300 -15.0 15.0 1.6 8,000 24.0
AB1 U/L 375 375 70 (Ik) 220 11,000 16.5
B 300 300 -14.7 15.0 1.6 8,000 17.0
B 250 250 -11.6 20.0 2.2 8,000 11.0
AB1 P/P 300 300 72-92 8-22 130 shared 8,000 17 10
AB1 P/P 300 300 -14.7 15-92 1.6-22 8,000 17 10
AB1 P/P (triode) 250 40-43.4 270 10,000 3.4 2.5

 

7189 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 7189A: html
Peter Millett 16GK6: Acrobat PDF 24K  7189: Acrobat PDF 193K
oldradio.qrz.ru 7189: MK buizen handboek
Frank Philipse 7189: .gif file, Acrobat PDF
WPS 7189: html page

 

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