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ACRYLIC SEE-THROUGH HORN SPEAKERS

SEE-THROUGH HORN SPEAKERS Development Inside Story

See-Through Horn Sound

The see-through horn model differs obviously from the sound of
UMU-131SS because of use of acrylic boards and paint inside the
exponential curved horns.
UMU-131SS is a calm sound by the internal loss effect of MDF,
but the see-through horn model is fresh bright clear sound.
The sound lives up to the image of "Clear Acrylic" exactly.
Smoked unnecessary sound doesn't follows acrylic board, unlike
wood.
Many young adults and general visitors except audio nuts preferred
the see-through sound to UMU-131SS.

Delightful Support

Finding is clear polycarbonate screw.
If use it, Hasehiro can fix the side baffle boards to the speaker box
without losing beauty.

Hasehiro received many feedbacks and proposals from visitors.
Most of them were about speaker cables in the exponential horn.
One feedback was unattractiveness and the other was an adverse
effect on sound quality. (See the above photo.)
Of course they make sense when think about them.

Completion of AMA-131SS

Hasehiro made anew 2 colored prototypes, in white and baby blue.
Very transparent acrylic brings out the color in a very cool. Round heads of clear screws enhanced its beauty. In addition, it became more really stylish put on the vertical lines up and down. Connected speaker cables by the most direct way. Painted white is so cold color. So, Hasehiro recoated it to other white like iMac since then.	Acrylic is high transparency. Even if over 1 meter thick, it can allow the other side to show.
It allows the noise absorbing materials to show, too. Wool felt looks very plain, so Hasehiro put white micron wool felt in the air chamber. The sound became too glamorous sound, so Hasehiro felt tired. And so he changed to Tozawa styled noise absorbing resonater. Hasehiro was surprised anew at its effect. It refreshed his ears with eliminated unnecessary sound. The sound became more a relaxing listener-friendly sound. But it's a narrow air chamber, it is necessary to crush that it. Not much change the noise absorbency, even if crush the resonater. The problem is look and feel of a crushed resonater. Hasehiro told Mr.Tozawa a background to the matter.
Tozawa styled noise absorbing resonater - mini LS: standard pyramid type RS: special island type
Mr.Tozawa made it specially for AMA-131SS. (See the above photo.) It is just the right size and shape to the narrow air chamber.

Though in terms of sound quality, the
standard pyramid type is better than
special island type.

Hasehiro put 2 special island typed
resonaters in the air chamber, thinking
it may be because its inner volume is
too small compared to the standard
pyramid type.
Nevertheless, in terms of sound quality,
1 standard pyramid type is better than
2 special island type.
Hasehiro adopted the standard pyramid
type of Tozawa styled noise absorbing
resonater for AMA-131SS.

with a special island typed
resonater

Acrylic see-through horn speaker AMA-131SS was completed based
on Hasehiro's first desktop speaker UMU-131SS.

Five Court Musicians

black

blue

white

pink

silver

Black mixed with navy blue is
popular with men.
That's quite expensive-looking,
looks nice to any location.

Baby blue is so beautiful, and also
white mixed with gray.
Very transparent acrylic brings out
the color in a very cool.

Pink is popular with women.
Silver looks really elegant.

AMA-131SS is so beautiful with
a smart atmosphere.
So, that is suitable for interior
good, too.

AMA-131SS series is very popular
regardless of age, sex and its
interest.

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