GOTO UNIT SG-555TT
¥ 128,000 (1 unit, after February 1978)
¥ 148,000 (1 unit, after May 1979))
Commentary
Mid-range driver unit using titanium diaphragm.
Titanium diaphragm of 55.5 mm diameter is adopted for the diaphragm, and (FRP) edge is adopted for the edge.
Model Rating
| Method | Driver Unit for Middle Range |
| Music power | 5W |
| Impedance | 8 Ω ~ 16 Ω |
| Sound pressure level | 115dB |
| Frequency characteristic | 100 Hz to 6 kHz |
| Total flux | 600,000maxwell |
| Magnetic flux density | 23,000gauss |
| Optimal crossover | 200 Hz to 4 kHz |
| Gap form | Permendur |
| Horn | S-Series |
| Diaphragm | Titanium FRP Edge |
| External dimensions | Diameter 130x Depth 120 mm |