Cary Audio Design CAD-300SE LX-20 are pure class A, triode tube, single-ended mono-bloc amplifiers, considered legendary among discerning audio lovers. They deliver 20 watts of output power and boast an impressive frequency response of 15 Hz - 23 KHz with a deviation of only +/- 1 dB, ensuring accurate and detailed sound reproduction. These amplifiers utilize the latest KR Enterprises 300BXLS low-mu audio power triode, known for its exceptional performance and musicality.