Raytheon Mil-Spec 5842A 417A Tubes- Matched Pair, NOS

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Raytheon Mil-Spec 5842A 417A Tubes- Matched Pair, NOS, NIB You are bidding on a matched pair of mil-spec JAN Raytheon 5842WA 417A audio pre-amp tubes. These tubes are NOS and new in the box. These tubes have black plate and halo getters. They also have matching date codes. These were tested on my "recently calibrated by Dan Nelson TV-7B". They have been tested for shorts, gas, and transconductance. The tubes test very strong with readings of 36 and 36. Minimum is 20. All tubes are tested on my calibrated TV-7/B or on my calibrated Hickok 539C. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. All tubes meet or exceed manufacturer published specifications of transconductance (Gm) for the specified tube type. All tests are tested twice - prior to the listing and prior to shipping. I have been selling tubes on the internet since 1998 and have been working with tubes since the early 1960's. All tubes are 100% guaranteed good on arrival. Please e-mail me if you have any questions or you may call me at . These are great tubes for your new audio gear, guitar amps and vintage stereo/audio gear. Thanks for viewing my auction. Please check out my other auctions for more audio tubes, ham radio and radio related items, and collectibles for great deals. You can add me to your list of favorite sellers read more

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