Oyaide
Tunami
Oyaide Electric with experience gained from
a long history of cable design, has developed
a reference standard power cable called the
"Tunami". The cable is constructed
using PCOCC-A wire developed by Furukawa Electric
using advanced heat control and extrusion technology.
The cable utilizes a 5.5 sq. mm conductor core
that is rated up to 30 amps and can take up
to 600 volts A/C. This makes it a leader in
its class delivering a powerful sound. In addition
it has a unique 3 layer shielding system not
only to shut out external noise but also to
suppress internal noise resulting in a very
low noise floor. The combination of advanced
and creative technologies delivers the recording
artists' every intention along with the delicate
atmosphere that surrounds them.
PCOCC-A
This
is an ultra pure single crystal copper originally
developed by Professor Ohno. It was then further
evolved into PCOCC utilizing a single copper
grain wire. This design results in an extremely
low level of signal disturbance and loss due
to the lack of crystalline borders along the
signal path.
We
have further refined this process with a highly
controlled heating and cooling process and improved
furnace management to realize a mirror finish.
It is now called PCOCC-A and is the epitome
of Japanese craftsmanship.
3-Layer
Shielding
It
is a fundamental requirement of cable design
that they be free from external noise. Oyaide
has been a leader in this area with our traditional
star-quad structure.
We
have gone a step further with the "Tunami"
employing a unique three layer shielding system.
The
first layer absorbs the disorders of electromagnetic
field formation; the second (carbon) layer is
used to absorb the random movement of electrons
caused by current fluctuations stored in insulating
materials and a third copper foil layer with
a drain wire to protect from external noise
sources. The drain wire is then connected to
ground for perfect shielding.
Insulator
It
is our philosophy at Oyaide to try every possibility
until we have achieved the optimum harmony among
the various materials employed in a design.
We tested multiple variations in hardness and
density of insulating materials to determine
which combinations would yield the greatest
resonance control. The result was to employ
several grades of high polymer polyolefin in
the internal structure for maximum benefit.
We
then developed a method for applying the coverings
onto the conductors

|
2006
AUDIO EXCELLENCE AWARDS (JAPAN) |
 |
Visual
Grand Prix 2006 (JAPAN) |
Specifications Tunami
| Conductor |
PCOCC-A
/ OFC (Ground Wire) |
| AWG
(Stranding ) |
5.5
sq. mm (69/0.32mm) |
| Cable
Structure |
3P |
| Insulation
(Inner) |
New
Polymer of Polyolefin |
| Insulation
(Outer) |
Microwave
Absorber and New Polymer of Polyolefin |
| Outer
Shield |
Polyurethane
1st layer: electro-magnetic field formation,
2nd layer Carbon PE, 3rd. layer: copper
foil |
| Cable
O.D. |
15.0
mm |
| Volt/Amp |
600V
/ 30 Amp PSE |
|