Common name: Astatic 811
Production Status: Discontinued / Vintage
The 811 is designed to be used with high-quality house of worship paging and communication desks applications in conjuction with the 8, UG-8 or T-UG9 grip-to-talk stands. Its frequency response is tailored towards voice and music reproduction. The 811 is a dynamic cardioid microphone featuring a Dupont Mylar® diaphragm providing long life, resistance to moisture, temperature swings, alkalis and solvents as well as a sintered bronze acoustic filter for positive phase shift and excellent directionality. Impedance can be switched between high and low depending on application.