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5R4-GYS Pinout
basing pinout

 
5R4-GYS Substitutes
Different rating or performance 5R4, 5R4G, 5R4GY, 5R4GYA, 5R4GYB, 5R4WGY, CV10330, CV2835, CV5181, CV717, CV8189, CV8204, WT274B

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.

 
5R4-GYS Ratings

No information available
5R4-GYS Application Data

No information available
5R4-GYS Data sheet links
Duncan''s Amp Pages 5R4GY/GYB: Acrobat PDF (1 page)  Vade Mecum s.408: Acrobat PDF (2 pages)  Various: Acrobat PDF (7 pages)
Peter Millett 5R4GY: Acrobat PDF 141K  5R4GYB: Acrobat PDF 365K
The Valve Museum 5R4WGY: html
oldradio.qrz.ru 5R4: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 5R4G: 5R4G.pdf (64365 bytes)  5R4GY: 5R4GY.pdf (105844 bytes), 5R4GY.pdf (156596 bytes), 5R4GY.pdf (161736 bytes), 5R4GY.pdf (61513 bytes)  5R4GYA: 5R4GYA.pdf (126367 bytes)  5R4GYB: 5R4GYB.pdf (286979 bytes)
TubeZone 5R4GYB: pdf

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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