TDSL Tube data [HK90]

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HK90 Pinout

HK90 Substitutes

Close or identical	12BE6
Different rating or performance	12BE6A
Different filament voltage	6BE6, CV10496, CV453, CV8201, EK90, X727

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.

HK90 Ratings

Vh V	Ih A	VaMax V	PaMax W	Pg2Max W	Cgk pF	Cak pF	Cga pF
12.6	0.15	330	1.1	1.1	7.2	8.6	.3

HK90 Application Data

Class	Va V	Vg2 V	Vg1 V	Ia mA	Ig2 mA	Ra Ω	S mA/V
Mixer	250	100	-1.5	3.0	7.1	1,000,000	0.475
Mixer	100	100	-1.5	2.6	7.0	400,000	0.455

HK90 Data sheet links

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