Beaufiful and great sounding with MAGIc EYE power indicator tubes and stylish tube cage included! This is a well-designed amp and is rated highly for its audio performance, esthetics and build-quality. This amp is a great starter amp for a new tube audio enthusiast or for an experienced audiophile who wants high performance at a bargain price. Specifications: Power Rating: 23 watts/channel RMS Frequency Response: 6Hz to 70kHz (-2dB) Output Impedance: 4ohms/8ohms Input Impedance: 20 Kohms Input Sensitivity: 250mV S/N Ratio: 78dB Earphone Impedance: 32ohms Tube Complimnent - 4 x 6L6GC, 4 x 6N1P and 2 x eye tubes Includes full tube cover/cage in price. "Markhill has been designing and manufacturing a full range of electronic and acoustic products for over 26 years. The product line includes advanced Multichannel Receivers, Integrated Vacuum Tube Amplifiers, Integrated Hybrid Amplifiers (Tube Preamplifiers driving Solid State Amplifiers), High Quality Loudspeaker Systems and a complete line of esoteric cables for signal, speaker and power applications."

Beautiful, modern design with outstanding music performance

25 watts RMS per channel will drive most speaker, sweet, musical and powerful sound

Four gold-plated pairs of inputs for: CD, DVD, Tuner and Tape. Heavy Duty Four and Eight Ohm Speaker Terminals that will handle large cables and connnectors

Switchable built-in tube headphone amp for 32 ohm headphones. Stepped volume attenuator

Heavy-duty all metal construction with two year manufacturer warranty