Two RCA Radiotron UX 245 Type 45 Balloon Globe Type Audio Radio Vacuum Tubes

Two RCA Radiotron UX 245 Type 45 Balloon Globe Type Audio Radio Vacuum Tubes (image 1/1)
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Two RCA Radiotron UX 245 Type 45 Balloon Globe Type Audio Radio Vacuum Tubes, in excellent condition, made in the USA. Estimated manufacturing was in the 30s. The type 45 tube is a power pentode tube typically used in the output sections of vintage radios, receivers and audiophile amplifiers including Philco, Acme, All American, Crosley, Atwater Kent, Balkite, Hammerlund, King, Pilot, RCA, Bremmer, Edison, Fada, Brunswick, Wurlitzer, Western Electric and GE equipment. These tubes antique balloon ( globe) glass envelopes with a black mono target plates, support rods, solid square getter frames, nice circular side getter flash, black base, glass insulator rods and engraved bases. Excellent matched test results for Gm and bias: 1.75 with Ip ~ 30.5 mA and 1.82 with Ip~28.5 mA with Vp ~250 Vdc. The recommended minimum for Gm is 1.1. Also tested for no shorts. For testing we use a Triplett 3444A Tube Analyzer. This is an excellent high quality pair of tubes that should produce great sound in any system. The tubes are guaranteed to perform as described or full refund. We accept Paypal and have a 14 day return policy. Estimated delivery within the USA is from 3 to 7 business days via USPS. For out of country shipping, our standard shipping is US Postal 1 st class service and package confirmation is not available. For out of country read more
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