DIATONE PM-1201
¥ 19,500 (1 piece, around 1970)
Commentary
A speaker unit developed for 3-way speaker systems.
It was adopted in AS-4001 and AS-4021.
Model Rating
| Method | Cone type skoker unit |
| Aperture | 12cm |
| Impedance | 16 Ω |
| Rated input | 15W |
| Low resonance frequency | 200Hz |
| Playback frequency band | 200 Hz to 3000 Hz |
| Output sound pressure level | 100dB/VA (at 50 cm) |
| Effective vibration radius | 4.7cm |
| Equivalent mass of the vibration system | 5.4gr |
| Equivalent Qo of the vibration system | 0.5 |
| Voice Coil Diameter | 4.0 cm φ |
| Magnetic flux density | 1100gauss |
| Total flux | 26x104maxwells |
| Permanent magnet | 55 φ x35 |
| Baffle opening diameter | 132mm |
| Outer Diameter Dimension | Diameter 162x Depth 110 mm |
| Weight | 3.3kg |