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CV2901 Pinout
basing pinout

 

CV2901 Substitutes
Close or identical 6267, 6F22, CV10098, CV8068, EF86, Z729
Different rating or performance EF806S
Different filament voltage UF86

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.

 

CV2901 Ratings
Vh Ih VaMax Vg2Max VhkMax PaMax Pg2Max IkMax Cgk Cak Cga
6.3 0.2 300 200 100 1 0.2 6 3.8 5.4 0.025

 

CV2901 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S
Pentode 250 140 -2.0 3.0 0.6 2,500,000 2.0

 

CV2901 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6267: html
Duncan''s Amp Pages 6F22/EF86: Acrobat PDF (8 pages), gif1, gif2, gif3, gif4, gif5, gif6, gif7, gif8, grey1, grey2, grey3, grey5, grey6, grey7, grey8
National Valve Museum CV2901: html  EF86: html2, html3, html4
oldradio.qrz.ru EF86: MAZDA Valves & Picture Tubes Data  EF806S: html page, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) EF86: EF86.pdf (2648423 bytes) (cs), EF86.pdf (325248 bytes), EF86.pdf (640469 bytes) (fr), EF86.pdf (91030 bytes) (fr), EF86.pdf (93121 bytes), EF86.pdf (95875 bytes)  Z729: Z729_GEC.pdf (3243197 bytes)  EF806S: EF806S.pdf (1079836 bytes) (cs), EF806S.pdf (366745 bytes) (de), EF806S.pdf (380476 bytes) (de)  UF86: UF86.pdf (117063 bytes)
Triode Electronics EF86: gif1, gif2, gif3, gif4, gif5, gif6, gif7
TubeZone EF86: 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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