In a good condition,for it's age,this Revox A77,MK4 - 4-track version. The wooden casing also,is shiny,but has marks of use.Comes with very good quality tape on black acrylic Revox reels,with an original radiorecording(on this machine recorded,just for testing).Theplastic Revox casing and extra 2 Revox casings are included. A77 - version MK IV Serial-No. G 145 100 - G 289 836 produced 08.1974 - 10.1977 The well known reliability of the Revox A77 is a result of a professional design concept, a concept which successfully combines the advantages of a solidly built tape transport mechanism with those of an advanced electronic circuit design. It is fully serviced,heads demagnetized and professionally updated,WHEREVER necessary.The tape,which provided,is pre-recorded on THIS machine,but best results are made,when (brand)new tape is used. DUE TO FRAGILITY AND WEIGHT, AND VERY PROFESSIONAL PACKING,THERE ARE ADDITIONAL SHIPPING COSTS. Specifications: Motor: 2 x reel, 1 x capstan 4-Track version Reel size: up to 10.5 inch reel Equalization: NAB, IEC Tape speeds: 3 3⁄4 7 1⁄2 ips Frequency response: 30Hz to 20kHz (7 1⁄2 ips)