KENWOOD DMF-3020 Minidisc recorder

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Kenwood DMF - 3020 Minidisc recorder
System - Minidisc digital audio system
Laser - Semiconductor laser
Recording method - Field modulation overwrite method
Audio compression - ATRAC (Adaptive TRansform Acoustic Coding)
Playing rotation - Approx. 400 rpm ~ 900 rpm (CLV)
[D/A conversion]
D/A conversion - 1 Bit
Oversampling - 8 fs (352.8 kHz)
[A/D converter]
A/D converter - 5 th order sigma-delta conversion
Sampling frequency - 44.1 kHz
[Digital audio performance]
Frequency responce (playback mode) - 8 Hz ~ 20 kHz (± 1 dB)
Signal to noise ratio (playback mode) - More than 100 dB
Dynamic range (playback mode) More than 90 dB
Total harmonic distortion (1 kHz, playback mode)Less than 0.01 %
Wow & flutter - Less than unmeasurable limit
Analog input sensitivity / input impedance - 500 mV / 22 kΩ or more
Analog output level / output impedance - 2.0 V / Less than 400 Ω
Headphone output - 20 mW/32 Ω load
Digital input
Coxaial - 0.5 Vp-p / 75 Ω
Optical(Wave length 660 nm)- 15 dBm ~ - 21 dBm
Digital output
Coxaial - 0.5 Vp-p / 75 Ω
Optical(Wave length 660 nm)- 15 dBm ~ - 21 dBm
[General]
Power consumption...18 W
Dimensions...W:440 mm (17 - 5 / 16”) H :94 mm ( 3 - 11 / 16”) D :379 mm (14 - 15 / 16”)
Weight (Net) 4.0 kg (8.8 lb