GOTO UNIT SG-555FRP
¥ 68,500 (1 unit, after February 1978))
Commentary
Mid-range driver unit which is an improved version of SG 555 s.
Hard duralumin diaphragm is used for the diaphragm, and Mylar (FRP) is used for the edge to improve the sound roughness of the SG-555S.
Model Rating
| Method | Driver Unit for Middle Range |
| Music power | 5W |
| Impedance | 8 Ω ~ 16 Ω |
| Sound pressure level | 112dB |
| Frequency characteristic | 100 Hz to 6 kHz |
| Total flux | 350,000maxwell |
| Magnetic flux density | 15,000gauss |
| Optimal crossover | 200 Hz to 4 kHz |
| Horn | S-Series |
| Diaphragm | FRP Edge |
| External dimensions | Diameter 125x Depth 110 mm |