Вобщем пришел мне ответ от Mollenhauer. Маслить оказывается надо, т.к. дефолтный слой тоже не вечен. Полный ответ привожу:
Цитата:
Dear Alexander,
In general, if a recorder is often used, it need to be oiled from time to time. The impregnation has to be renewed from
time to time, because the humidity will destroy the protection of wax impregnation after a while.
Please note: It's better to use only a few drops of oil and do it for 3 or 4 times a year instead to oil only one time a
year and using a lot of oil.
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Хотя я мог бы догадаться и сам, только сейчас вчитался в одну фразу в инструкции по промасливанию:
Цитата:
The oil frequency depends on the type of wood and the strain of the instrument because the impregnation the recorder maker did is
consumed by the humidity occuring in the instrument. Normally one
should oil the recorder two to three times per year.
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