The product is a pair of ZAEUX 6AU6 EF94 valve tubes, known for their vintage sound quality and durability. As a new old stock item, these tubes are perfect for those looking to restore or repair old audio equipment. With the brand's reputation and the model's specifications, these tubes offer great value for money, making them the cheapest option on eBay. Whether you're a collector or a musician seeking to enhance your vintage sound system, these ZAEUX valve tubes are a reliable choice.
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