|INFINITY Kappa 6.1i
|120,000yen( one-set, around the 1993 time)
The speaker system which supplied the technology
developed in new Kappa series, and was made.
The 20cm corn type Woofer
by an IMG corn is carried in low-pass.
This IMG corn is a corn which
consisted of compound material of a graphite fiber and polypropylene, and is
fabricated under loud sound and high pressure (injection moulding: Injection
Molding). The graphite fiber is radiately arranged toward the perimeter from the
center, and its unchanged operation domain of a corn is large, and it has
obtained the performance without the break rise of a corn.
Moreover, in order to raise special design-shaped a curvy linear corn (intensity
is added to the piston under movement) and intensity, the reversal dust
cap by which the establishment meter was carried out is adopted, and modification
of a corn is small suppressed also under the high power situation.
In Kappa6.1i, a light
weight and quantity rigidity-ization (it is light 10% and harder than before 5%)
are attained from the conventional IMG corn.
A magnet and a cotton yarn line
of phi133x19mm are used for a magnetic circuit.
The 7.6cm poly dome
shape unit which adopted the diaphragm which inherited the technology of first
Kappa series is carried in the inside region.
This diaphragm is a thing of software polypropylene composition of the
newly developed super-thin film (0.3mm), and also diffuser of the aluminum
mesh is attached to the dome rear surface. Disorder of the frequency characteristic
by a rear surface wave is suppressed without applying addition to a diaphragm
by this diffuser, and the flat frequency characteristic and Low-noise-izing
the sonic energy emitted to the dome rear surface was led to the back cavity
from the center of a magnetic circuit of special structure, and has eliminated
the influence by back sound pressure.
This poly dome is driving the
diaphragm of the shape of a low dome of Q from the dome perimeter by the large
caliber edge volume voice coil.
The plane drive type EMIT-R tweeter
which adopted the circular diaphragm is carried in the high region.
plane diaphragm of an EMIT-R tweeter is using the ultra-thin KAPTON film,
carries out photograph etching of the voice coil annular on the surface,
constitutes a timbal, and is driving the diaphragm directly combining a
special-shaped magnetic circuit.
This has acquired a flat frequency
characteristic and extensive directional characteristics.
design performs a real-time fine tune in an anechoic room, and finally it is the
same room as actual family environment, and it is a computer which uses a MLSSA
FET program, and the domain of each speaker unit of operation is determined, and
also it opts [ it repeats many audition experiments and ] for it.
each parts, such as a capacitor, resistance, a coil, are selected carefully by
subjectivity audition experiment, and are using the very-thick monster cable of
the Infiniti special edition also about internal wiring material.
amplifier is supported and inside loud sound is equipped with level adjustment.
Enclosure has adopted the column-like polygon cabinet in order to suppress
the influence of internal standing wave to the minimum. The baffle material
of 26.5mm thickness, native wood solid oak material, and a board with an
oak are stuck.
Moreover, the bass-reflex duct is prepared in the
lower part of the enclosure back, and it adjusts for tuning of low-pitched sound
and the room using the spike which can be removed.
There was also a
Black oak model as an ordering model.
||3 ways, 3 speaker bass-reflex system, and a
||For low-pass: 20cm corn type
regions: 7.6cm dome shape
For high regions: Plane type
|Output sound pressure level
||Width 305x height 940x depth of 252mm