CTR-89 (140-1104) Specifications Faxback Doc. # 6217 Tape System...................................2-track, monophonic cassette (For use with normal bias tape [Type I] only) Tape Speed.........................................1 7/8 ips (4.75 cm/sec) Wow and Flutter...............................................0.25% (WRMS) Signal-to-Noise Ratio.............................................35-42 dB Erase System........................................................Magnet Record System......................................................AC Bias Power Requirements: DC....................................Two size AA batteries (3 volts DC) Or, 12 Volts from a vehicle's cigarette-lighter socket with DC Auto Adapter, 3 Volt DC Output (Cat. No. 270-1560) AC............................................120 Volts with AC Adapter, 3 Volt DC Output (Cat. No. 273-1456) Typical Cassette Playing Time With AA Alkaline Batteries......................................13 Hours Size..........................5-3/16 x 3-13/16 x 1-9/16 Inches (H x W x D) 131 x 90 x 41 mm Weight......................................................7.4 oz (230 g) (rlr/all-7/6/94)