TDSL Tube data [6EM7]

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6EM7 Pinout

6EM7 Substitutes

Different rating or performance	6EA7, 6GL7
Different filament voltage	10EM7, 13EM7

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.

6EM7 Ratings

Vh V	Ih A	VaMax V	PaMax W	IkMax mA	Notes
6.3	0.925	330	1.5	22.0	Section 1 (pins 4,5,6)
6.3	0.925	330	10.0	50.0	Section 2 (pins 1,2,3) Va(pk)=1500V

6EM7 Application Data

Class	Va V	Vg1 V	Ia mA	Ra Ω	S mA/V	Notes
Frame osc	250	-3.0	1.4	40,000	1.6	Section 1 (pins 4,5,6)
Frame output	150	-2.0.	50.0	750	7.2	Section 2 (pins 1,2,3)

6EM7 Data sheet links

Peter Millett	6EM7: Acrobat PDF 397K 6EA7: Acrobat PDF 64K 6GL7: Acrobat PDF 72K 10EM7: Acrobat PDF 25K 13EM7: Acrobat PDF 24K
The Valve Museum	6EM7: html
oldradio.qrz.ru	6EM7: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter)	6EM7: 6EA8.pdf (574278 bytes), 6EM7.pdf (588525 bytes), 6EM7.pdf (89759 bytes) 15EA7: 15EA7.pdf (63125 bytes), 15EA7.pdf (95352 bytes) 6EA7: 6EA7.pdf (164727 bytes), 6EA7.pdf (78097 bytes), 6EA7.pdf (85217 bytes) 6GL7: 6GL7.pdf (167742 bytes), 6GL7.pdf (89856 bytes) 10EM7: 10EM7.pdf (51371 bytes) 13EM7: 12X4.pdf (56806 bytes), 13DE7.pdf (22791 bytes), 13EM7.pdf (92781 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

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