GEC VR565A (CV1574 / 10E/149) NOS Vacuum Tube

First introduced in 1938, the VR65A is a British military receiving pentode also designated CV1574 and identified by the RAF stores reference 10E/149. Based on the Mazda SP41, it belongs to a generation of high-frequency amplifier tubes used in British service equipment around World War II. Its construction features a 4-volt heater, a Mazda octal base, and a top-cap control-grid connection. Archive Assessed, Apos Assured All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects. Are the tubes...dusty...? Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance. Specs Brand / Type: GEC VR65A / 10E/ 149/ CV1574 Base Type: Black Base Glass Type: Cement Coated Military Grade: Yes Made in: England Box Type: NOS in Original Box Tested on: Amplitrex AT1000 Advanced Digital Tube Tester