Panasonic SB-MX20
¥ 25,000 (1 unit, around 1989)
Commentary
A 2-way speaker system using a TMD diaphragm.
A 18 cm cone type woofer made of composite mica is mounted in the low range.
The TMD structure is adopted for the vibration plate of this unit, and a unique shape is adopted in which the cone part and the center cap part are integrated into one structure, and the piston motion range is twice as large as that of the conventional cone type.
A 2.5 cm dome made of pure mica is equipped with a tweeter for the high range.
Uses an anti-magnetic design.
Model Rating
| Method | 2-Way, 2-Speaker, Sealed Type, Bookshelf Type, Anti-magnetic Design |
| Units Used | For low band : 18 cm cone type For high-pass : 2.5 cm dome type |
| Playback frequency band | 40 Hz to 45 kHz -16dB |
| Crossover frequency | 2kHz |
| Impedance | 6 Ω |
| Output sound pressure level | 89dB/W/m |
| Allowable input | 120W(MUSIC) 60W(DIN) |
| External dimensions | Width 240x Height 380x Depth 236 mm |
| Weight | 7.5kg |