刚刚看了一下满有趣的，查了一下一些厂牌给的建议 Martin: Martin keeps the factory at a constant 45-55 percent humidity and 72-77 degrees Fahrenheit. Collings: At Collings, we build and acclimate our guitars in an environment of 49% relative humidity and a temperature of 75 degrees. Taylor: The ideal humidity range for an acoustic guitar is 45-55 percent, but 40-60 percent is generally acceptable. Furch: Humidity can affect the performance and condition of your instrument. An ideal storage environment for your guitar would be in the 40%-65% relative humidity range. Boucher: we recommend you keep and store your guitar at around 40-60% humidity and room temperature (72-77 degrees Fahrenheit, or 21-23 degrees Celsius). Lowden: Lowden guitars are built in a carefully controlled humidity environment that varies between 45% and 55% relative humidity, providing optimum worldwide Maton: At Maton, we build all our guitars in a controlled factory environment of 50%. Well seasoned timbers have an equilibrium level of moisture of about 8% when relative humidity (RH) is at 50%. relative humidity. Breedlove: Humidity levels between 45% and 55% are considered optimum. ------ 综观来说美厂似乎都比较建议在 45~55% 而加拿大和欧洲琴建议的幅度比较大可以到 40~65% 最近夏天，小鲁看了一下室内湿度大概在 68~76% 琴盒内会稍微变化，但大多维持在 51~60% 不知道大家有防潮箱会设定在多少？ 然後开除湿机降湿度似乎有点快， 琴比较不太适合接受大幅度的湿度改变， 对於琴盒硬 Case 内的湿度控制，板友们都怎麽做呢？ --

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