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CV1040 Pinout
basing pinout

 

CV1040 Substitutes
Close or identical PX25, VR40

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.

 

CV1040 Ratings
Vh
V
Ih
A
4 2.0

 

CV1040 Application Data
Class Va
V
Vg1
V
Ia
mA
Ra
Ω
S
mA/V
Rk
Ω
Zout
Ω
Pout
W
THD
%
A S/E 400 -31.0 62.5 1,265 7.5 1,000 5,500 6.0 7

 

CV1040 Data sheet links
Duncan''s Amp Pages AD1: gif1, grey1  PX25: Acrobat PDF (4 pages)
The Valve Museum VR40: html
Frank Philipse (Wildcat mirror - Jörg Jan Münter) PX25: PX25.pdf (113089 bytes), PX25.pdf (89048 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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