MICRO-21 (140-1159) Specifications Faxback Doc. # 7222 Tape....................................................Microcassette Tape Tracks........................................2 Tracks, 1 Channel Monaural Drive System.................................................Capstan Drive Tape Speeds........................................2.4 cm/sec. (15/16 ips) and 1.2 cm/sec. (15/32 ips) Recording............................................30 min. (2.4 cm/sec.) and 60 min. (1.2 cm/sec.) per side (MC-60) Practical Max. Output................................150 mW at 2.4 cm/sec. Frequency Response...........................400 - 4,000 Hz at 2.4 cm/sec. Fast Play................................................Approximately 20% Faster Than Its Normal Speed Power Source: Internal Batteries...........................Two AA Batteries (3 Volts DC) AC Power.....................................120V with 273-1650 AC Adapter Vehicle Battery..............................120V with 270-1560 DC Adapter Typical Cassette Recording Time with AA Alkaline Batteries........17 Hours (Approx.) Dimensions..........................................4.7 x 2.2 x 0.9 Inches (H x W x D) (119 x 56 x 24 mm) Weight (without batteries)..........................................5.6 oz (160 g) (ALL-9/15/94)