TDSL Tube data [Z729]

Menu

Information

Z729 Pinout

Z729 Substitutes

Close or identical	6267, 6F22, CV10098, CV2901, CV8068, EF86
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.

Z729 Ratings

Vh V	Ih A	VaMax V	VhkMax V	PaMax W	Pg2Max W	IkMax mA	Cgk pF	Cak pF	Cga pF
6.3	0.2	300	100	1	0.2	6	3.8	5.4	0.025

Z729 Application Data

Class	Va V	Vg2 V	Vg1 V	Ia mA	Ig2 mA	Ra Ω	S mA/V
Pentode	250	140	-2.0	3.0	0.6	2,500,000	2.0

Z729 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
The 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)
TubeZone	EF86: pdf
Wikipedia	EF86: Wikipedia page

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

TDSL is advert free and is funded by voluntary donations. If you find the site useful, please consider making a small voluntary donation, thank you

Version: PHP release 1.16 22-Jan-2025