Audio Database

The

GOTO UNIT SG-555DX 238,000yen(One set. It put on the market in February, 1978 and afterwards. )
258,000yen(One set. It put on the market in May, 1979 and afterwards. )

Description
 
The driver unit for mid ranges using a titanium diaphragm.

The Mylar (FRP) edge is adopted as an edge part.

The magnet of 140mmphi which uses a permendur in large quantities is adopted as a magnetic circuit.


Rating of a mode
Scheme The driver unit for mid ranges
Music power 5W
Impedance 8ohm-16ohm
Output sound pressure level 116dB
Play frequency band 100Hz - 8kHz
The total magnetic flux 1,100,000maxwell
Flux density 24,000gauss
The optimal crossover 200Hz - 4kHz
Gap scheme Permendur
Horn S series
Diaphragm A titanium dome, a Mylar FRP edge
Dimensions Diameter 140x depth of 130mm