| 摘要 |
A recorder wherein moisture condensation in the windway due to temperature difference between the windway itself and the breathing passing therethrough is prevented, so that the sound will not be blocked by the moisture adhering to the windway during performance. A heating means is attached to a tube member of the windway unit to reduce the temperature differences between the windway and the breathing blown into the windway to minimum to thereby prevent moisture condensation. When there is no moisture condensation in the windway, there will be no turbulence in the breath blown through the windway, assuring adequate amount of breathing to be supplied from the outlet to correctly act on the edge of a sounding window.
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