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PL508 Pinout

 

PL508 Substitutes
Close or identical 17KW6
Different filament voltage 6KW6, EL508

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.

 

PL508 Ratings
Vh Ih VaPeak PaMax Pg2Max
17 0.3 2,500 12.0 3.0

 

PL508 Application Data
Class Va Vg2 Ia Ig2
Line output 190 190 6.0 5.0

 

PL508 Data sheet links
National Valve Museum PL508: html, html2
oldradio.qrz.ru PL508: MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler) PL508: PL508.pdf (123228 bytes) (fr), PL508.pdf (147978 bytes)  EL508: EL508.pdf (16647 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) PL508: PL508.pdf (123228 bytes) (fr), PL508.pdf (147978 bytes)  EL508: EL508.pdf (16647 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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