Classic low gain preamp tube. Most often used as reverb drivers and/or phase inverters in older amplifiers. Used as reverb drivers in older MESA/Boogie's such as the Studio Preamp and some Mark Series amps.
Stock In: Bass Strategy (later models) California Tweed , Mark I reissue (Reverb Driver), Subway WD-800, Triple Crown TC-50 & TC-100
Country of Origin: China
