Audio Database

The

GOTO UNIT SG-555PS 118,000yen(One set. It put on the market in February, 1978 and afterwards. )
138,000yen(One set. It put on the market in May, 1979 and afterwards. )

Description
 
The driver unit for mid ranges of SG-555 series.

The hard duralumin diaphragm is adopted as a diaphragm. Moreover, the Mylar (FRP) is employed as an edge.

The 130mm phix60mm Alnico ring magnet which used the permendur is adopted as a magnetic circuit.


Rating of a mode
Scheme The driver unit for mid ranges
Music power 5W
Impedance 8ohm-16ohm
Sound pressure level 115dB
Frequency characteristic 100Hz - 6kHz
The total magnetic flux 600,000maxwell
Flux density 23,000gauss
The optimal crossover 200Hz - 4kHz
Gap synopsis Permendur
Horn S series
Diaphragm FRP edge
Dimensions Diameter 130x depth of 120mm