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Ball A tuning 440Hz tuning fork \musical instrument tuning fork \music tuning fork
5.0
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37,617 so'm
37,617 so'm
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Ball A tuning 440Hz tuning fork \musical instrument tuning fork \music tuning fork
About the product
Characteristic
- Material
Steel
- Origin
Wuhu
- Type
Physics teaching instrument
- Brand
Yi Tai brand
- Scope of Application
Teaching, musical instruments, music
- Model
440Hz
- Import or not
No
- Customized processing
Yes
Description
厂家货源 大量现货 圆头钢制A调440HZ定音音叉 量大从优
是呈“Y”形的钢质或铝合金发声器，各种音叉可因其质量和叉臂长短、粗细不同而在振动时发出不同频率的纯音。音叉检查在鉴别耳聋性质——传音性聋或感音性聋方面，是一种简便可靠的常用诊查方法。 用音叉取“标准音”是钢琴调律过程中十分重要的环节之一。它的重要性在于关系到一台钢琴各键音处在什么音高位置上。 在教学中，音叉可以用来演示共振。 敲击音叉，采集声波波形图。试验发现：轻敲音叉，音叉振幅小，波形图的幅度小，这时音叉发出的声音也小；重敲音叉，音叉的振幅大，波形图的幅度大，这时音叉发出的声音也大。说明：响度跟音叉振动的振幅有关。振幅越大，响度越大；振幅越小，响度越小 电话:0553-8526476367915_1299892680.jpg)
Characters
Properties
- Material
Steel
- Origin
Wuhu
- Type
Physics teaching instrument
- Brand
Yi Tai brand
Description
厂家货源 大量现货 圆头钢制A调440HZ定音音叉 量大从优