Description

One EC91 6AQ4 Sonotone NOS NIB Receiver Preamp Vacuum Tube Country of origin: England Brands: Sonotone Production era: Estimate 1950s Plate: black Spacers: two Getter frame: halo wire Getter flash: top Glass: gray Stencils: excellent Condition: NOS Carton: includes original Quantity: 1 Please review the photos for more detail Compatibility: Suitable for vintage tube-based equipment, ideal for use in audio amplifiers, power amps, and general tube 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 Ground Advantage Shipping is combined when applicable Please feel free to contact us if you require any additional information