teristics to the characterization the speaker radiation in all directions of the space sound pressure distribution characteristics, the more narrow the higher the frequency, the directivity, the bigger the cone pointing to the stronger
Diaphragm areas:
Woofer diaphragm wide range of aluminum diaphragm, aluminum-magnesium alloy diaphragm, ceramic diaphragm, the diaphragm of carbon fiber, Kevlar diaphragm, glass fiber diaphragm, propylene diaphragm, paper diaphragm. Aluminum alloy diaphragm, glass