|34,000yen（one set, the 1972 release）
It is 3 way speaker system which calculated matching with a cabinet and
a unit, relation of sound, etc., and pursued a spread of sound.
A 25cm corn type unit is adopted as low-pass.
A 10cm corn type
unit is adopted as the inside region.
In this unit, the diaphragm rear was
sealed completely and the acoustic load type which filled up that air cell with
the sound-absorbing material is adopted.
The barium ferrite is adopted as the magnetic circuit.
The 3cm dome shape unit of the establishment meter
is adopted as the high region.
The diaphragm made of polyester resin is
adopted, and braking is applied by micron glass wool so that slight unusual
operation may not be allowed, either.
Furthermore, an edge part performs
dumping processing of sandwich, prevents radiation of the sound from edge, and
is suppressing distortion.
The enclosure adopts an edgeless cabinet, and it is performing optimal
reinforcement, fully taking vibration of a box into Resonance is prevented.
||3 ways, 3 speakers, a sealing system, and a
book shelf type
|Use unit etc.
||For low-pass: 25cm corn type
regions: 10cm corn type
For high regions: 3cm dome shape
|Play frequency band
||40Hz - 20000Hz
|The maximum input
|Output sound pressure level
||The object for inside regions, :3 position
for high regions
||Width 350x height 600x depth of 253mm