DIATONE PW-1607
¥ 4,900 (1 piece, around 1970)
Commentary
A woofer unit for thin speakers used in the DS-12S and other products.
Valuem-ferrite is used for the magnetic circuit to make it thin.
Model Rating
| Method | Cone type woofer unit |
| Aperture | 16cm |
| Impedance | 16 Ω |
| Rated input | 3W |
| Low resonance frequency | 40Hz |
| Playback frequency band | 40 Hz to 1500 Hz |
| Output sound pressure level | 96dB/VA (at 50 cm) |
| Effective vibration radius | 6.5cm |
| Equivalent mass of the vibration system | 12gr |
| Equivalent Qo of the vibration system | 0.4 |
| Voice Coil Diameter | 2.3 cm φ |
| Magnetic flux density | 12000gauss |
| Total flux | 11x104maxwells |
| Permanent magnet | 90 φ x27 φ x9 |
| Baffle opening diameter | 175mm |
| Outer Diameter Dimension | Diameter 240x depth 67 mm |
| Weight | 1.5kg |