SONY MDR-E211M/MDR-E212M
¥ 2,800 (around 1987)
Commentary
High-performance monaural ear receiver.
Samarium-cobalt magnet is used for the magnetic circuit, and CCAW is used for the voice coil.
The cord is a neck chain system and uses OFC litz wire.
The MDR-E211M is an L-type super mini plug specification and the MDR-E212M is an L-type mini plug specification.
Model Rating
| Type | Open air dynamic type |
| Units Used | Φ 13.5 mm Dome Type (Adopts CCAW) |
| Impedance | 8 Ω |
| Sensitivity | 101dB/mW |
| Max Input | 100mW |
| Playback frequency | 20 to 20,000 Hz |
| Weight | 4.4g (cord not included) |
| Cord Length | 1.0m OFC Litz wire |
| Plug | L Type Super Mini Plug (E211M) L Type Mini Plug (E212M) |
| Attachment | Compact Case |