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3V4 Pinout
basing pinout
Note: Pin 4 is an internal connection


3V4 Substitutes
Close or identical CV1633, CV2983, DL94

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.


3V4 Ratings
Vh Ih
1.4 0.1


3V4 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S Zout Pout THD
A S/E 90 90 -4.5 9.5 2.1 100,000 2.15 10,000 0.27 7


3V4 Data sheet links
National Valve Museum 3V4: html
oldradio.qrz.ru 3V4: MK buizen handboek  DL94: MAZDA Valves & Picture Tubes Data
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 3V4: 3V4.pdf (100612 bytes), 3V4.pdf (125208 bytes), 3V4.pdf (210745 bytes)  DL94: DL94.pdf (154037 bytes), DL94.pdf (1708516 bytes), DL94.pdf (2703129 bytes) (de), DL94.pdf (83273 bytes) (de)

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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