|25,000yen(one set, the 1970 release)
As the third phase of DS series, it is the speaker system put on the market
in Showa 45.
It has the composition of having added the
super tweeter to the speaker system of two ways as a super-high region, and
became a best seller those days.
A 25cm corn type unit is adopted as
The corn paper of a special press is adopted.
The 5cm corn
type unit is adopted as the high region.
With the tweeter of acoustic load
type which stuffed the sound-absorbing material into the quality of air of the
diaphragm rear, since the minimum resonance frequency is as low as 600Hz, it has
succeeded in smoothing a crossover of a Woofer.
A 3cm metal corn unit is
adopted as the super-high region.
The aluminum alloy molding board was made
the diaphragm and the suspension, and they take it.
The enclosure adopts
the acoustic air suspension system which stuffed a 300g sound-absorbing material
into the sealing cabinet with a powerful junction structure, and the transient
and distortion in a low-pitched sound region are improved.
Attenuator of the step type which can change to a three-stage at a 3dB step from
2000Hz to 25000Hz is carried.
It is also possible to change a super tweeter to ON/OFF by this Attenuator.
||3 ways and 3 speaker acoustic air suspension
- Book shelf type
|Use unit etc.
||For low-pass: 25cm corn type
regions: 5cm corn type
For high [ super-] regions: 3cm corn type
|Play frequency band
||40Hz - 25000Hz
|Output sound pressure level
|The maximum input
||Width 315x height 525x depth of 215mm