How to Care for a Norfolk Pine. Despite its name, Norfolk Pines are houseplants, although in a frost-free climate it can grow outdoors quite well--up to 100â (30 M) tall.In the home size it is limited by the container; most Norfolk pines in the house get to 5â to 6â (1.52 to 1.82 M) tall if well grown.ow to Care for a Norfolk Pine. Despite its name, Norfolk Pines are houseplants, although in a frost-free climate it can grow outdoors quite well--up to 100â (30 M) tall.
Headset Microphone Windscreens (Microphone Covers) The headset microphone windscreen (also referred to as a microphone cover) protects the microphone from dirt and moisture. A microphone covered by a windscreen is protected and delivers better sound quality.
A more recent development is the electret condenser microphone (Fig.2). In these models, the polarizing voltage is impressed on either the diaphragm or the back plate during the manufacturing process, and this charge remains for the life of the microphone.