Watts recommends installation indoors or above ground in an insulated enclosure.

美国瓦茨建议安装在室内或地面上的保温罩内。

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In an area where freezing conditions can occur, Series 009 should be installed above ground in an insulated enclosure.

在可能发生冰冻环境的区域，系列009应该安装在地面，并位于保温罩内。

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In an area where freezing conditions can occur, Series 909 should be installed above ground in an insulated enclosure.

在可能会发生冰冻环境的地方，系列909应该安装在地面上的保温罩内。

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Two thick birch partitions and a small air cavity create a well-insulated enclosure inside the cabinet, separating the midrange and tweeter from the woofers, further isolating woofer back-radiation.

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