Omnidirectional Boundary Microphone 330-3020 Specifications

Omnidirectional Boundary Microphone
(330-3020)                 Specifications             Faxback Doc. # 37910


Type: ............................... Surface-Mount Electret Bias Condenser
Directivity: .................. Omnidirectional in Hemisphere Above Surface
Frequency Response: ... 20 to 18,000 Hz at 30 Incidence to Infinite Surface
Sensitivity (at 1,000 Hz): ....... Open Circuit Voltage: -69.0 db (0.35mV);
                                                             0 dB = 1V/ubar
Output Impedance: ........................................ 600 Ohms Nominal
Recommended Minimum Load Impedance: ............................. 1000 Ohms
Hum Pickup (Maximum): ......... 35 dB equivalent SPL in 1 mOe field (60 Hz)
Preamplifier Control Positions: ........................... ON/STAND BY/OFF
Power Requirement: ......................................... One AA Battery
Battery Life (Alkaline): ........................ Approximately 2,500 Hours
Connector: ............................. 1/4 inch (6.35 mm) Mono Phone Plug
Weight (without battery): .................................. 8.6 oz (243 g)

(YO/km-02/06/1997)