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The classical phonograph series
inherits the sound quality requirements of KOYAMA, and KOYAMA launches the classical piano head series on the 20th anniversary of 2018. The carefully selected high-quality wood is used in the classic wood configuration of the performer. The panel has a spruce veneer (Solid Spruce). ), Red Cedar (Solid Cedar) two options.
Spruce veneer Solid Spruce
Spruce panel has a clear and sweet sound, full of sound, more direct and strong sound feedback after opening, with side back board mahogany, medium bass and thick, the overall sound is full of three-dimensional.
Mahogany
Mahogany
mahogany is outstanding, the mid-bass is prominent, the sound is warm and not sharp, and the neck is also made of mahogany, which makes the overall resonance conduction energy to maximize the benefits.
Rosewood Fingerboard Bridge
refers to the use of hard rosewood, which can effectively transmit sound vibration and support string tension. The density is high and rich in oil. It usually has a smooth playing feel without much maintenance. The sound point is hand-set with a full complement of flavors.
Upper and lower thick barrels
unique body adds to the difficulty of making the body. This barrel design makes the sound more concentrated and makes the piano play better and more comfortable.
feel
neck body is completely matt and there is no resistance when holding the piano. It is better than the international standard low chord, the left hand is smooth and easy to change the fingering. White copper straps are attached to each end of the piano, which can be used with shoulder straps to increase the stability of the body and make it easy to stand and play, making it easier for you to play Ukulele.
a collection of elegant classical piano heads. It is elegantly designed with the use of Taiwanese brand Derong's retro mechanical string buttons. It introduces Japanese finishing technology to ensure the precision of the string buttons.
Item ID Model: KYM-250SPR-T
Body Style Size: 26吋Tenor
Top Panel: Spruce Solid Sprce
Back / Sides Side Back: Mahogany Mahogany
Fingerboard Fingerboard: Rosewood Rosewood
Bridge Download: Rosewood
Fret: 18
String String: Aquila
Scale Chord: 430mm
Nut Pillow: PPS
※ The piano was checked before it was sent, but because it is new Strings, need to be tuned for a while will gradually stabilize.
※One year warranty (strings, accessories and other consumables are not covered by the warranty)
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[宅送] [小山] KYM-250SPR-T 26インチウクレレスプルース単板ソリッドスプルーステノールウクレレ その他インテリア雑貨 Koyama Ukuleles 通販｜() ハンドメイド・手作り・クラフト作品の販売サイト -centralmarketarts.org

マスク押圧試験

液晶取り付け部であるマスク部に押圧をかけ、筐体の耐久性を検証する試験。
25kg～30kgの負荷をかけて耐久性を検証する。
マスク部のさまざまな部位に負荷をかけ、弱い部分が出ないよう、設計にフィードバックする。

部品の信頼性

  • ホットオイル試験

    電子基板を高温・常温のオイルに交互に浸し、伸縮による断線が起きないかを検証。

  • 限界曲げ試験

    基板や組み立てた状態のタッチパネルなどの部品を大きく曲げ、押力に対しての剛性を検証。

  • コネクタこじり・挿抜試験

    usbなど各種コネクタに対し、こじり・抜き差しを一定回数行い、耐久性を検証。

快適な使い心地

環境に対する安全性

  • [宅送] [小山] KYM-250SPR-T 26インチウクレレスプルース単板ソリッドスプルーステノールウクレレ その他インテリア雑貨 Koyama Ukuleles 通販｜() ハンドメイド・手作り・クラフト作品の販売サイト -centralmarketarts.org
    rohs指令対応試験

    「rohs指令」に部品レベルで対応するため、pcの部材をさらに部品単位に分解して評価。

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