Answer
The operating ambient temperature range of L Class models is between 0° - 50°C (32° - 122°F). However at the upper end of the operating range, thermal limiting may engage resulting in reduced sound output.
The operating ambient temperature range of L Class models is between 0° - 50°C (32° - 122°F). However at the upper end of the operating range, thermal limiting may engage resulting in reduced sound output.