The Cetron 811A Vintage NOS 1988 RF Transmitting Matched Tube Quad is a rare and sought-after piece for radio communication enthusiasts. This quad tube, made in the USA by Cetron, is specifically designed for radio transmitting applications and is compatible with other Cetron products. With its vintage design and new old stock (NOS) status, this tube is a valuable addition to any collection or restoration project. Any issues with tubes , contact me please before opening a case !
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