Exceptional front condition!Revox B77,2-track version,with original Revox NAB's. Very well-known Revox B77,2-TRACK recorder with high-quality standards.Precision transport and 3-motor drive guarantees you long-term reliability!Variable speed is included. In 1977 B77 MKI replaced the Revox A77. The machine quickly became the world standard for semi-professional tape machines and is still one of the most popular devices today. It's serviced and mechanically overseen wherever necessary,well-known parts changed.Take a good look at the detailed pictures,recorder is in a harmless,almost perfect condition! The recorder comes with good quality (pre-recorded) Maxell tape on MAXELL reels,just for testing the machine;however-it is highly recommended,for professional (recording) results,to use (brand)new tape. Technical info: Motor: 2 x reel, 1 x capstan Reel size: up to 10.5 inch reel Tape speeds: 3 3⁄4 7 1⁄2 ips Wow and flutter: 0.08% (7 1⁄2 ips) Frequency response: 30Hz to 20kHz (7 1⁄2 ips) Signal to Noise Ratio: 67dB Total harmonic distortion: 0.5% Input: 40mV (line), 0.15mV (mic) Output: 1.55V (line) Semiconductors: 11 x IC, 1 x opto-coupler, 4 x triacs, 60 x transistors, 33 x diodes, 5 x LED, 2 x full wave rectifiers Dimensions: 563 x 475.5 x 233mm DUE TO FRAGILITY,THERE ARE HIGHER SHIPPING COSTS.