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CV851 Pinout
basing pinout


CV851 Substitutes
Close or identical 6B4, 6B4G

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.


CV851 Ratings
Vh Ih VaMax PaMax
6.3 1.0 325 15.0


CV851 Application Data
Class Va Vg1 Ia Ra S Zout Pout
A S/E 250 -45.0 60.0 800 5.25 2,500 3.2
AB1 P/P 325 -68.0 80.0 3,000 15.0


CV851 Data sheet links
Peter Millett 6B4-G: Acrobat PDF 30K
National Valve Museum 6B4G: html
oldradio.qrz.ru 6B4: MK buizen handboek  6B4G: Brans Vademecum
Frank Philipse (Pocnet mirror - Patrik Schindler) 6B4G: 6AU6.pdf (100535 bytes), 6B4G.pdf (21593 bytes) (fr), 6B4G.pdf (60811 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6B4G: 6AU6.pdf (100535 bytes), 6B4G.pdf (21593 bytes) (fr), 6B4G.pdf (60811 bytes)
TubeZone 6B4G: pdf

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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