Technics SB-660
¥ 57,800 (1 unit, around 1974)
Commentary
3-way speaker system with multi-seller horn.
A 30 cm cone type woofer is installed in the low range.
This unit achieves high efficiency by adopting EVA edge, and linearity at large input is improved by long travel voice coil.
The middle area is equipped with a multi-seller horn made of aluminum die-cast.
In addition, high efficiency is achieved by a magnetic circuit with high magnetic flux density and a voice coil with reduced weight using copper-clad aluminum wire.
A 5 cm horn type tweeter is installed in the high range.
The frame of the unit is die-cast.
It is equipped with level control for middle and high range.
The enclosure uses a bass reflex system.
Model Rating
| Method | 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type |
| Units Used | For low band : 30 cm cone type For Middle Range : Horn Type For High Frequency : 5 cm Horn Type |
| Frequency characteristic | 35 Hz to 20 kHz |
| Impedance | 8 Ω |
| Output sound pressure level | 95dB/W/m |
| Max Input | 50W |
| External dimensions | Width 400x Height 660x Depth 311 mm |
| Weight | 24kg |
.jpg)