Audio Database


19,000 yen(one set, in the late 1970's ?)

The speaker system developed as a model equipped with merit back loading types, such as BL-20D and BL-25D, and comparatively small and economical book shelf type.

A 16cm double cone type unit is adopted as a unit.
On the subcorn paper which takes charge of upper register, the special process was performed to high-density pulp, and also the sound-absorbing material of the chemical fiber was arranged on the back, and interference with main corn paper is prevented.
Moreover, the 110phix60phix15t ceramic magnet is adopted as a magnetic circuit, and the magnetic flux density of 13000Gauss has been obtained.
The high linear type free edge which was rich in amplitude symmetry is used for edge form.

The enclosure has adopted CW system back loading phone.
Moreover, there are two colors of an orange and Brown in a network, and the design was able to be chosen by liking.

There was a speaker stand (BS-3) as an option.


Rating of a mode
System 1 way, 1 speaker, CW back load phone system, and a book shelf type
Use unit For [ all the ] zones: 16cm double cone type
Impedance 8ohms
Program sauce input 30W
Output sound pressure level 97dB
Dimensions Width 278x height 598x depth of 294mm
Weight 8.0kg
Remarks Option: Speaker stand BS-3 (2 sets [ 1 ], 3,500yen)
<Speaker unit main standard>
System 16cm and a high compliance double cone type
Impedance 8ohms
Program sauce input 30W
The minimum resonance frequency (fo) 45Hz
Play frequency band fo-20000Hz
Magnetic flux density 13000Gauss
The total number of magnetic flux 84000Maxwell
Magnet size 110phix60phix15t