JJ tubes are among the highest quality. Engineered, designed, and manufactured to exacting standards for musicality and overall warmth, you can trust a JJ tube to deliver premium tone. This is the JJ/New Sensor 5AR4 Tesla/JJ-Slovakia rectifier tube, rated medium. Quality Gear from JJ JJ has been inspiring musicians with their groundbreaking effect pedals, vacuum tubes, and other accessories for more than 30 years. From the legendary riffs of Jimi Hendrix and George Clinton to the new-school licks of Slipknot and Korn, some of the most influential and popular musicians of all time have relied on JJ to provide innovative and top-quality effects pedals and other equipment. The proof is in the pedals, so choose your poison and make some noise. Whatever your style, there’s a stompbox or accessory with your name on it from Sweetwater is an Authorized JJ Dealer Genuine New Item Sweetwater’s 2-year warranty JJ GZ34 / 5AR4 Slovakia Rectifier Tube Vacuum Rectifier Tube, 5AR4 Tesla/JJ-Slovakia, Rated Medium JJ tubes are among the highest quality. Engineered, designed, and manufactured to exacting standards for musicality and overall warmth, you can trust a JJ tube to deliver premium tone. This is the JJ/New Sensor 5AR4 Tesla/JJ-Slovakia rectifier tube, rated medium. Quality Gear from JJ JJ has been inspiring musicians with their groundbreaking effect pedals, vacuum tubes, and other accessories for more than 30 years. From the legendary riffs of Jimi Hendrix and George Clinton to the new-school licks of Slipknot and Korn, some of the most influential and popular musicians of all time have relied on JJ to provide innovative and top-quality effects pedals and other equipment. The proof is in the pedals, so choose your poison and make some noise. Whatever your style, there’s a stompbox or accessory with your name on it from JJ!SpecificationDetail Type Rectifier Model GZ34S / 5AR4 Quantity Single RETURN INFORMATION Returns Not Accepted Fast, FREE Shipping! Nearly every order received by 3PM Eastern ships the SAME DAY! FREE shipping to lower 48 states. Our central location reaches most states in 1-4 business days 99.95% warehouse accuracy We are proud to provide some of the fastest turnaround times on eBay. We use FedEx or UPS for most items, and USPS for smaller items. Residents of Hawaii, Alaska, and Puerto Rico should contact us for a shipping quote. PLEASE NOTE: We cannot ship large items to PO boxes, please provide an alternate address. If you have questions, feel free to contact us. Buy with confidence! Sweetwater’s been selling on eBay since 2001, with 99.9% positive feedback! More than 30 years in business World-class customer service Fast, FREE shipping Free 2-year warranty on nearly every product Free tech support from audio experts