Description

Three 2D21 RCA NOS NIB Audio Receiver Thyratron Vacuum Tubes Country of origin: USA Production era: 1970s Model: 2D21 Manufacturer: RCA Type: thyratron Plate type: gray Base type: 7 pins Spacers: two Getter frame: halo wire Getter flash: top Filaments: standard Glass: Clear Stencils: excellent Condition: excellent same construction / configuration Cartons: mint industrial off white Usage: NOS (new) Quantity: 3 Please review the photos for more detail Compatibility: Suitable for vintage tube-based equipment, ideal for use in amplifiers, preamps, and general receiver equipment The tubes will be carefully packed to ensure safe shipping Estimated delivery time within the USA is 3 to 7 business days Standard shipping service is US Postal 1st class Shipping is combined when applicable Please feel free to contact us if you require any additional information