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25L6 Pinout
basing pinout

 
25L6 Substitutes
Close or identical CV552, CV553, VT201
Different rating or performance 25L6GT, CV1287, CV1502, KT32, VR502, VT201C

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.

 
25L6 Ratings
Vh
V		 Ih
A		 VaMax
V		 Vg2Max
V		 PaMax
W		 Pg2Max
W		 Cgk
pF		 Cak
pF		 Cga
pF
25 0.3 200 117 10.0 1.25 16.0 13.5 0.3

 
25L6 Application Data
Class Va
V		 Vg2
V		 Vg1
V		 Ia
mA		 Ig2
mA		 Ra
Ω		 S
mA/V		 Rk
Ω		 Zout
Ω		 Pout
W		 THD
%
A 200 110 -8.0 50.0 7.0 30,000 9.5 160 3,000 4.3 10
A 110 110 -7.5 49.0 4.0 13,000 9.0 2,000 2.1

 
25L6 Data sheet links
Duncan''s Amp Pages KT32: Acrobat PDF
The Valve Museum 25L6GT: html
oldradio.qrz.ru 25L6: Brans Vademecum, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 25L6: 25L6.pdf (172763 bytes), 25L6.pdf (45146 bytes), 25L6.pdf (63037 bytes) (fr)  25L6GT: 25L6GT.pdf (171333 bytes), 25L6GT.pdf (341055 bytes), 25L6GT.pdf (69118 bytes), 50C5.pdf (246817 bytes), 6J7GT.pdf (111793 bytes) (fr)  KT32: KT32.pdf (63746 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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