LampizatOr - Lampizator Testing five world's best rectifiers: Bendix 5R4WGB, Valvo GZ34, Electron 274B, CCCP 5c3s, Emission Labs Mesh 5U4G. Which one will be the king and go to our future Level7
5r4wgb - Etsy
One Super Heavy Duty JAN-CEA-5R4WGB Tube, By Bendix, RB (Red Bank) Class | eBay
CETRON NEW 5R4WGB Electron Tube - JAN - MIL-SPEC - New, Old Stock FREE SHIPPING | eBay