Used 1970s Sunn coliseum Keyboard Amp

Looking for legendary vintage power? This used 1970s Sunn Coliseum Keyboard Amp delivers massive, articulate tone with the raw punch that made Sunn famous. Rated at approximately 300 watts RMS, this solid-state beast offers plenty of headroom for keyboards, synths, or even bass. Featuring a simple yet effective control layout with Volume, Bass, Mid, and Treble adjustments, this amp provides warm, clear, and dynamic sound reproduction. Designed for high-output performance, it includes a rugged cabinet and a built-in cooling system for reliable operation. The Coliseum series was known for its durability, making this a great choice for stage or studio use. This unit is in good condition with expected cosmetic wear for its age but functions as intended, delivering vintage Sunn power and character. Whether you're after classic '70s tone or a solid gigging workhorse, this Sunn Coliseum Keyboard Amp is a rare find that delivers bold, iconic sound.