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W727 Pinout
basing pinout

 

W727 Substitutes
Close or identical 6BA6, CV10492, CV454, CV8202, EF93

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.

 

W727 Ratings
Vh
V
Ih
A
Cgk
pF
Cak
pF
Cga
pF
6.3 0.3 5.5 5.0 0.0035

 

W727 Application Data
Class Va
V
Vg2
V
Vg1
V
Ia
mA
Ig2
mA
Ra
Ω
S
mA/V
Pentode 250 100 -1.0 11.0 4.2 1,500,000 4.4

 

W727 Data sheet links
Peter Millett 6BA6: Acrobat PDF 268K, Acrobat PDF 74K
The Valve Museum 6BA6: html, html2
oldradio.qrz.ru 6BA6: MK buizen handboek  EF93: html page
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6BA6: 6AW8A.pdf (603829 bytes), 6BA6.pdf (1437274 bytes), 6BA6.pdf (247829 bytes), 6BA6.pdf (275425 bytes), 6BA6.pdf (370134 bytes) (fr), 6BA6.pdf (403442 bytes), 6BA6.pdf (84696 bytes)  EF93: EF93.pdf (159304 bytes), EF93.pdf (196645 bytes) (de)  W727: W727.pdf (110500 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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