Audio Database

The

CORAL DX-SEVEN/II
69,800 yen( one-set, around the 1986 time)

Description
 
3 way speaker system developed by the basis of the theme of raising the quality of play sound infinite and realizing high purity-ization of music space.

The 3.6cm hard dome shape unit is adopted as the 9cm hard dome shape unit and high region which had adopted the 31cm corn type unit which adopted the carbon graphite corn incorporating new materials of two layers as low-pass, and adopted new materials as the inside region, respectively.

The enclosure is an encapsulated type of round baffle adoption, and carries the level control of continuation good transformation in the side of the enclosure by constant impedance.


Rating of a mode
System 3 ways, 3 speakers, a sealing system, and a book shelf type
Use unit For low-pass: 31cm corn type
For inside regions: 9cm dome shape
For high regions: 3.6cm dome shape
Play frequency band 25Hz - 33000Hz
The minimum resonance frequency 40Hz
Impedance 6ohms
Program sauce input 150W
The moment maximum input 300W
Crossover frequency 440Hz, 5000Hz
Output sound pressure level 92dB/W-m
Dimensions Width 380x height 685x depth of 353mm
Weight 31kg