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81 Pinout
No information available

 

81 Substitutes
Close or identical CV2546

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.

 

81 Ratings

No information available

81 Application Data

No information available

81 Data sheet links
The Valve Museum 81: html
oldradio.qrz.ru 81: Brans Vademecum
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 81: 81.pdf (137128 bytes) (fr), 81.pdf (31819 bytes), 81.pdf (47550 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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