CTR-67 (140-1152) Specifications Faxback Doc. # 8626 Tape System................................................2-Track Monaural Tape Speed..........................................1 7/8 ips (4.75 cm/sec) Wow and Flutter (WRMS)................................................0.25% Signal-to-Noise Ratio.................................................35 dB Recording System....................................................AC Bias Erase System.........................................................Magnet Power Requirement ....Internal Batteries....................4 size AA Batteries (6 Volts DC) ....AC Power............................120 Volts with 2173-1454 AC Adapter ....Vehicle Battery........................12 Volts with 14-844D DC Adapter Typical Cassette Playing Time with AA Alkaline Batteries...............................12 hours (approx.) Dimensions...............................1 7/16 x 4 3/4 x 7 7/16 Inch (HWD) ..........................................................36 x 121 x 189 mm Weight........................................................16 oz (465 g) Accessories............................................Earphone, Erase Plug (RLR-11/29/93)