SCR-59 (140-1205) Specifications Faxback Doc. # 6651 Tape System................................................4-track, stereo (For use with normal bias tape only) Tape Speed.........................................1 7/8 ips.(4.75 cm/sec) Wow and Flutter...............................................0.25% (WRMS) Signal-to-Noise Ratio................................................40 dB Erase System........................................................Magnet Record System......................................................AC Bias Power Requirements: DC........................................2 AA batteries (3 volts DC) Or, from a vehicle's cigarette lighter socket with a Cat No. 270--1560A DC Auto Adapter. AC.....................120 volts with a cat. No. 273-1654 AC Adapter. (Size HWD)................................5 3/16 x 3 11/16 x 1 9/16 Inches 130 x 86 x 35 mm Weight (without batteries and case)............................250g 8.8 oz (br/all-6/28/94)