(Music Box is a mechanical sounding instrument. Turn the link inside the box to play music automatically.
The movement of a music box consists of a sound cylinder, sound board, gears, clockwork (or other power source), damping and other components. What we mean by the number of movements of the movement refers to the number of sounds that can be effectively pronounced by the sound board. The bumps on the sound cylinder pick up the sound board to make the sound board vibrate, and emit a sound according to the designed vibration frequency.
Domestically, the movement is divided into 8 tones, 12 tones, 15 tones, 16 tones, 18 tones, 20 tones, 22 tones, 27 tones, 30 tones, 36 tones, 50 tones, 55 tones, and 72 tones. , 78, 88, 144, 156. The greater the number of combs of the soundboard, that is, the more the number of sounds, the richer the sound and the richer the tunes and melody. Generally, the movement below 22 tones is cycled for 8-17 seconds, and the movement for music box above 30 tones is generally cycled for 35 seconds to 8 minutes, depending on the diameter of the sound tube.
The common material classifications in the domestic market are natural eggshell materials, crystal / acrylic, glass, metal, resin, plastic, bamboo and wood materials, ceramics, paper, horns, shells, bones, etc ..