SONY MDR-CD900
¥ 25,000 (released in 1986)
Commentary
Digital monitor stereo headphones equipped with a large diameter driver unit.
Uses a long-life design 40 mm driver unit.
CCAW voice CCAW voice coil and amorphous diamond diaphragm make it possible to realize a sound with a good release.
LC-OFC litz wire is used as wiring material.
Uses an oval type special urethane skin ear pad.
Uses a single release curl cord.
Can be folded.
.jpg)
1. Driver Unit & Diaphragm
2. Oval Ear Pad
3.3 curve headband
4. Curl cord
5. Gold-plated 2-way plug
6. LC-OFC Litz Wire "
Model Rating
| Type | Closed dynamic type |
| Units Used | Φ 40 mm Dome Type (Adoption of amorphous diamond diaphragm) |
| Impedance | 63 Ω |
| Sensitivity | 106dB/mW |
| Max Input | 1,000mW |
| Playback frequency | 5 to 30,000 Hz |
| Weight | 230g (cord not included) |
| Cord Length | 3m (extended) LC-OFC Litz wire Single Curl Cord |
| Plug | Stereo 2-way Plug (Gold Plated) |