SONY CDP-C50M
¥ 44,800 (released in 1988)
Commentary
A roulette CD player.
A roulette system has been adopted for the disk tray, and 5 disks can be simultaneously.
The CDP-C50M uses a newly developed roulette mechanism that speeds up the music selection time to the same speed as a single CD player, and the tray rotates in both directions so that the disc can be searched at the shortest distance.
8 cm CD is also supported without adapter.
It is equipped with functions such as endless shuffle that can be applied to all five discs, shuffle play when playing one disc, continuous play of five discs, and program play of up to 32 songs over five discs.
The digital filter uses a 4 x oversampling digital filter.
A dual D/A converter is used in the D/A converter section.
It is equipped with a repeat function for one song / all songs / all discs / all discs.
Equipped with a time keeper function.
Equipped with a headphone port with volume.
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 |
| Decryption | 16-bit straight line |
| Frequency characteristic | 2 Hz to 20 kHz ± 0.5 dB |
| Total harmonic distortion factor | 0.05% or less (EIAJ) |
| Dynamic range | 88 dB or More (EIAJ) |
| Wow and flutter | Below the measurement limit (± 0.001% W. peak) (EIAJ) |
| Output level | 2 vrms (MSB, Fixed) |
| Headphone out | 6.6 mW (32 Ω) |
| Power consumption | 10W |
| External dimensions | Width 355x Height 105x Depth 385 mm |
| Weight | 5.1kg |
| Attachment | Wireless Remote Control RM-D55 |