Rotel - RD-10F Cassette recorder-player

The Rotel RD-10F is a vintage stereo cassette recorder introduced in 1976. It is equipped with 2 heads, a Dolby B system, and front microphone inputs. Its specifications include a frequency response up to 16 kHz and an S/N ratio of 60 dB. Here are the complete technical specifications for the Rotel RD-10F:
Type: Compact cassette recorder, 2 heads (1 for recording/playback, 1 for erasure)
Tracks / Channels: 4 tracks, 2 stereo channels
Tape speed: 4.8 cm/s
Supported tape types: Type I (Normal), CrO₂ (Chromium Dioxide)
Frequency response: 20 Hz to 16 kHz (with CrO₂ tape)
Signal-to-Noise Ratio (S/N): 60 dB (with Dolby B system engaged)
Wow and Flutter: 0.25%
Inputs: 25 mV (line), 0.3 mV (microphone)
Outputs: 0.42 V (line)
Dimensions (W x H x D): 430 × 141 × 263 mm