SONY MDR-M66
¥ 8,000 (around 1987)
Commentary
Semi-open air type stereo headphones equipped with a 30 mm diameter driver unit.
CCAW voice coil and samarium-cobalt magnet are adopted, and the cord is OFC litz wire (one side cord).
It is a 3 curve free-setting headband with a smart cone shield wire type with no visible cord and good holding feeling. The ear pad is an elliptical soft ear pad.
Model Rating
| Type | Open air dynamic type |
| Units Used | Φ 30 mm Dome Type (CCAW Adopted) |
| Impedance | 45 Ω |
| Sensitivity | 106dB/mW |
| Max Input | 500mW |
| Playback frequency | 10 to 25,000 Hz |
| Weight | 120g (cord not included) |
| Cord Length | 3m OFC Litz Wire (Single) |
| Plug | Stereo 2-way Plug (Gold Plated) |