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42 Pinout
basing pinout

 
42 Substitutes
Close or identical CV1712, CV609, VT63

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.

 
42 Ratings
Vh
V		 Ih
A
6.3 0.7

 
42 Application Data
Class Va
V		 Vg2
V		 Vg1
V		 Ia
mA		 Ig2
mA		 Ra
Ω		 S
mA/V		 Rk
Ω		 Zout
Ω		 Pout
W		 THD
%
A S/E 250 250 -16.5 34.0 6.5 80,000 2.5 410 7,000 3.2 8

 
42 Data sheet links
The Valve Museum 42: html
oldradio.qrz.ru 42: Brans Vademecum
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 42: 35Z4GT.pdf (45584 bytes), 42.pdf (174449 bytes) (fr), 42.pdf (248988 bytes), 42.pdf (273860 bytes), 42.pdf (85652 bytes)

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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