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8CG7 Pinout
basing pinout

 

8CG7 Substitutes
Different filament voltage 6CG7

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.

 

8CG7 Ratings
Vh Ih VaMax PaMax Cgk Cak Cga Notes
8.4 0.45 300 3.5 2.3 2.2 4.0 Pa = 5.0W for both triodes

 

8CG7 Application Data
Class Va Vg1 Ia Ra S
A 250 -8.0 9.0 7,700 2.6
A 250 -12.5 1.3
A 90 0.0 10.0 6,700 3.0

 

8CG7 Data sheet links
Peter Millett 8CG7: Acrobat PDF 24K  6CG7: Acrobat PDF 261K
oldradio.qrz.ru 8CG7: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 8CG7: 6CG7.pdf (470844 bytes), 6FQ7.pdf (132542 bytes), 8AW8A.pdf (124292 bytes), 8CG7.pdf (164545 bytes), 8CG7.pdf (66921 bytes)  6CG7: 6CG7.pdf (171161 bytes)
Triode Electronics 6CG7: gif1, gif2, gif3, gif4
TubeZone 6CG7: pdf

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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