Technics SB-M4
¥ 69,800 (1 unit, around 1986)
Commentary
A 3-way speaker system that uses a double magnet structure for protection against magnetic fields.
It features a 33 cm flat woofer for the low range, an 8 cm flat midrange for the middle range, and a 2.8 cm flat tweeter for the high range.
Equipped with level control.
The enclosure uses a bass reflex design.
Model Rating
| Method | 3-way, 3-speaker, bass reflex system, bookshelf type, magnetic protection design |
| Units Used | For Low Band : 33 cm Flat Type For Middle Area : 8 cm Flat Type For High Frequency : 2.8 cm Flat Type |
| Playback frequency band | 30 hz to 38 khz -16dB 40 Hz to 35 kHz -10dB |
| Crossover frequency | 900 Hz, 4.2 kHz |
| Impedance | 6 Ω |
| Output sound pressure level | 93dB/W/m |
| Allowable input | 200W(MUSIC) 100W(DIN) |
| External dimensions | Width 380x Height 670x Depth 331 mm |
| Weight | 23.0kg |
| Sold Separately | Speaker Stand SH-355 (2 pcs 1 set, ¥ 10,000) |