1. The production of speakers a variety of materials, including wood, stone, cement, fiberglass, metal plates, etc., but the effect of the board is the best inside. Although pine and various hardwoods are also used, they are easily deformed, and high-density boards are not easy to process, so the material of the medium-density board is relatively best.
2. The thicker the thickness of the board, the better. Generally, the power is selected according to the power.
3. The size of the speaker is selected according to the power level and frequency.
4. Sound absorbing materials can be used glass wool, rock wool, sponge, acrylic cotton, bulk cotton, foam plastics. Its role is to change the tone. The thickness requirement is generally 10 to 30 mm.
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