Title imageTitle image

 Menu

Home
Tube data
Schematics
Software
Search engines

 

 Information

Help
Terms of use
News
Statistics
Credits
6FM7 Pinout
basing pinout
Note: pin 6 is an internal connection

 
6FM7 Substitutes

No information available
6FM7 Ratings
Vh
V		 Ih
A		 VaMax
V		 PaMax
W		 IkMax
mA		 Notes
6.3 1.05 350 1.0 Section 1 (pins 9,10,11) Max Vg = -400V
6.3 1.05 550 10.0 50 Section 2 (pins 3,5,7,8) Va pk = 1500V

 
6FM7 Application Data
Class Va
V		 Vg1
V		 Ia
mA		 Ra
Ω		 S
mA/V		 Notes
Frame oscillator 250 -3.0 2.0 30,000 2.2 Section 1 (pins 9,10,11)
Frame output 175 -25.0 40.0 920 6.0 Section 2 (pins 3,5,7,8)
Frame output 60 0.0 95.0 Section 2 (pins 3,5,7,8)

 
6FM7 Data sheet links
Peter Millett 6FM7: Acrobat PDF 56K
oldradio.qrz.ru 6FM7: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6FM7: 6ER5.pdf (639435 bytes), 6FM7.pdf (162098 bytes), 6FM7.pdf (399887 bytes), 6FM7.pdf (72615 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

All content on this page is copyright 1997-2026 Duncan Amplification Limited.

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