Electro Harmonix 6550-EH

Superior high-power Octal Beam Tetrode, suitable for any amp using 6550 or KT88. Designed to hold up in even the most punishing environment of high powered bass amps, such as Ampeg SVT.

• KT88 equivalent
• Price per piece
• Can be delivered in matched pairs and quads (please indicate on your order)

Electro Harmonix - Keeping Sound Alive

The Electro-Harmonix company is not only an effects pedal pioneer, but they are the world’s leading manufacturer of vacuum tubes, and their tubes are quite simply the absolute best. They design and manufacture their tubes for high fidelity, reliability and warmth. Next time you retube with EHX, you’ll be getting great sounding tubes at a very reasonable price.