SONY MDS-501
¥ 108,000 (around 1994)
Commentary
MD deck equipped with sampling rate converter.
Equipped with a sampling rate converter that automatically converts 32 kHz or 48 kHz sampling frequency to 44.1 kHz.
Only the main operation buttons for recording and playback remain on the front, and other functions are stored in the pocket.
Operability is improved by multi-jog dial and disk-in auto power that turns on just by inserting a disk.
Equipped with two digital input terminals, which can be switched with a switch on the front panel.
Equipped with a stereo microphone input terminal.
It is equipped with editing functions such as title & date function and TOC EDIT function.
It comes with a wireless remote controller that allows direct music selection and CD sync recording.
Mono format discs are play-only.
It is equipped with a 4-megabit DRAM that can store music signals for up to about 8 seconds to prevent skipping sound.
In addition, taking advantage of memory storage, Memory Start playback, in which the sound starts immediately after the pause is released, is made possible.
Serial Copy Management System (SCMS) allows only one generation of digital recording and no more than two generations of digital recording.
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Model Rating
| Type | MD deck |
| Recording system | Magnetic field modulation overwrite system |
| Regeneration system | Noncontact optical |
| Laser | Semiconductor laser (λ = 780 nm) |
| Number of revolutions | Approximately 400 ~ 900 rpm |
| Coding system | ACIRC |
| Sampling frequency | 44.1kHz |
| Voice compression system | ATRAC |
| Modulation system | EFM (8-14 modulation) |
| Number of channels | 2 Channel |
| Recording and playback time | Up to 74 minutes |
| Frequency characteristic | 5 Hz to 20 kHz ± 0.3 dB |
| Signal-to-noise ratio | 100 dB or more |
| Wow and flutter | Measurement limit (0.001% W peak) or less |
| Input terminal | Line : 1 system Microphone : 2 lines Optical digital : 2 systems |
| Output terminal | Line : 1 system Optical digital : 1 system Headphone : 1 system |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 19W |
| External dimensions | Width 430x Height 85x Depth 355 mm |
| Weight | Approx. 5.2 kg |
| Attachment | Wireless Remote Control RM-D1M |