In a COLLECTABLE condition,this Revox A77,MK4 - 4-track version;It is good conserved.The wooden casing is in a good state,traces of aging/use are visible.Comes with very good quality BASF tape on (one brandnew)aluminium BASF reel(s) and boxes,WITH an original radiorecording(on this machine recorded,recently,for testing).Includes also original Revox NAB-adapters. 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)