SONY CDP-M30
¥ 39,800 (released in 1986)
Commentary
A mini component size CD player.
Equipped with an oversampling digital filter, it eliminates distortion in the middle and high frequency range that is easy to hear.
It is equipped with a unilinear converter system that controls the digital signal processing of digital filters, D/A converters and EFM demodulators in complete synchronization with a single independent clock.
In addition, a third generation LSI developed exclusively for CDs has realized a simple and straight circuit.
The newly developed high-precision compact optical pickup is used in the pickup section.
This is a refinement of the 3-beam system, which is well known for its stable performance, and improves trace accuracy.
By separating the optical system and disk table, external vibration is canceled and stability is improved.
Equipped with a shuffle play function.
It is equipped with a time keeper function. When you select a song you want to listen to and program it, the total time is displayed immediately.
The remaining program time is also displayed during the performance.
Equipped with 4-color concentrated display.
Equipped with RMS function of up to 16 songs.
Equipped with an auto space function that automatically adjusts the interval between songs to 3 seconds.
Equipped with 3-mode repeat function of all tracks / RMS / shuffle.
Equipped with Music Search which enables fast forward / fast backward while listening to music.
Equipped with an auto start function, it can be combined with an external timer to play an alarm clock.
It has a headphone port.
Equipped with synchronous terminal.
Wireless remote control is included.
Model Rating
| Type | CD Player |
| Reading system | Non-contact optical reading (using semiconductor laser) |
| Laser | GaAlAs double hetero diode |
| Number of revolutions | 200 ~ 500 rpm (CLV) |
| Playing speed | 1.2m/s ~ 1.4m/s (constant) |
| Error correction method | Sony Super Strategy Cross Interleaved Read-Solomon Code |
| Number of channels | 2 Channel |
| Compound | 16-bit straight line |
| Frequency characteristic | 2 Hz to 20 kHz ± 0.5 dB |
| Total harmonic distortion factor | 0.005% or less (EIAJ) |
| Dynamic range | 93 dB or more (EIAJ) |
| Wow and flutter | Below the measurement limit (± 0.001% W. peak) (EIAJ) |
| Output level | 1.8Vrms(MSB) |
| Headphone output level | 4.5 mW (32 Ω) |
| Power consumption | 10W |
| External dimensions | Width 355x Height 80x Depth 275 mm |
| Weight | 3.0kg |
| Attachment | Wireless Remote Control RM-D50 |