Quality Tubes from Electro-Harmonix!
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.
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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!