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3S4 Pinout
basing pinout

 
3S4 Substitutes
Close or identical CV2370, CV484, DL92

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.

 
3S4 Ratings
Vh Ih
1.4 0.1

 
3S4 Application Data
Class Va Vg2 Vg1 Ia Ig2 S Zout Pout THD
A S/E 90 67.5 -7.0 7.4 1.4 1.425 8,000 0.27 12

 
3S4 Data sheet links
National Valve Museum 3S4: html
oldradio.qrz.ru 3S4: MK buizen handboek  DL92: MAZDA Valves & Picture Tubes Data
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 3S4: 3S4.pdf (131904 bytes), 3S4.pdf (167714 bytes), 3S4.pdf (325427 bytes), 3S4.pdf (351560 bytes) (fr), 3S4.pdf (66742 bytes)  DL92: DL92.pdf (1011970 bytes), DL92.pdf (140658 bytes), DL92.pdf (163405 bytes), DL92.pdf (669012 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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