AKAI SW-155
¥ 28,000 (1 unit, around 1972)
Commentary
4-way speaker system.
A 30-cm cone type unit is used for the low band, a 12-cm cone type unit for the middle band, and a 6-cm cone type unit for the high band. A 5-cm horn type unit is used for the ultra high band.
A special material is used for the cone paper, and especially curved cone is used for the low range.
The enclosure is a bass reflex system using a pipe duct. It uses both homogen material and lauan material, and the box ring is suppressed by reinforcing crosspieces.
Model Rating
| Method | 4-Way, 4-Speaker, Bass Reflex System, Bookshelf Type |
| Units Used | For low band : 30 cm cone type For Medium Range : 12 cm cone type For high pass : 6 cm cone type For Super High Band : 5 cm Horn Type |
| Frequency characteristic | 25 Hz to 21000 Hz |
| Max Input | 50W (Music Power) |
| Impedance | 8 Ω |
| Output sound pressure level | 98dB/W/50cm |
| Crossover frequency | 1200 Hz, 5000 Hz, 15000 Hz (6dB/oct., 12dB/oct.) |
| External dimensions | Width 406x Height 640x Depth 300 mm |
| Weight | 17.6kg |