The Sophia Electric Princess 274B is a premium rectifier tube for a 5U4/5R4/5AR4 direct replacement with 3X longer plate structure, thus it has a deeper, wider sound stage and even smoothier sound than a Mullard 5AR4.Used less than 100 hours, this long life tube is like new. This beautiful sounding tube is also known for it's stunning illuminated mesh grid when operated. Offering amazing depth, soundstage, and highly detailed sound in circuits designed to maximize the rectifier, such as in many Woo Audio amplifiers, to name one example. Will be carefully packed and well protected for shipment. USPS Flat Rate- $5.00 in Conus only.
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