TDSL Tube data [EK90]

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EK90 Pinout

EK90 Substitutes

Close or identical	6BE6, CV10496, CV453, CV8201, X727
Different rating or performance	EK90W
Different filament voltage	12BE6, HK90

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.

EK90 Ratings

Vh V	Ih A	VaMax V	PaMax W	Pg2Max W
6.3	0.3	330	1.1	1.1

EK90 Application Data

Class	Va V	Vg2 V	Vg1 V	Ia mA	Ig2 mA	Ra Ω	S mA/V
Frequency changer	250	100	-1.5	2.9	6.8	1,000,000	0.475
Frequency changer	100	100	-1.5	2.6	7.0	400,000	0.455

EK90 Data sheet links

Peter Millett	6BE6: Acrobat PDF 335K 12BE6: Acrobat PDF 26K
The Valve Museum	EK90: html
oldradio.qrz.ru	EK90: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6BE6: 6BC4.pdf (510539 bytes), 6BE6.pdf (126716 bytes) (fr), 6BE6.pdf (259330 bytes), 6BE6.pdf (2652326 bytes), 6BE6.pdf (378878 bytes), 6BE6.pdf (521410 bytes), 6BE6.pdf (93871 bytes) EK90: EK90.pdf (133867 bytes), EK90.pdf (243610 bytes) (de) 12BA6: 12BA6.pdf (54715 bytes), 12BA6.pdf (60988 bytes), 12BA6.pdf (61538 bytes) 12BE6: 12BE6.pdf (249281 bytes), 12BE6.pdf (29980 bytes) (fr) 12BE6A: 12AT6Aetc.pdf (40152 bytes) HK90: HK90.pdf (127708 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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