TDSL Tube data [DH77]

Menu

Information

DH77 Pinout

DH77 Substitutes

Close or identical

6AT6, CV452, EBC90

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.

DH77 Ratings

Vh V	Ih A	Cgk pF	Cak pF	Cga pF
6.3	0.3	2.3	1.1	2.1

DH77 Application Data

Class	Va V	Vg1 V	Ia mA	Ra Ω	S mA/V
Triode	250	-3.0	1.0	58,000	1.2

DH77 Data sheet links

Peter Millett	6AT6: Acrobat PDF 151K
The Valve Museum	DH77: html
oldradio.qrz.ru	6AT6: MK buizen handboek EBC90: MAZDA Valves & Picture Tubes Data
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6AT6: 6AR11.pdf (469509 bytes), 6AT6.pdf (143503 bytes), 6AT6.pdf (180530 bytes), 6AT6.pdf (425735 bytes), 6AT6.pdf (85755 bytes), 6AT6.pdf (997765 bytes) DH77: DH77.pdf (131533 bytes) EBC90: EBC90.pdf (85014 bytes)

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