Specifications STM series

 
 
Element : Omni directional Cardioid Super cardioid
Frequency range 30Hz. – 20 KHz. 30Hz. – 20 KHz. 30Hz. – 20 KHz.
Free-field Sensitivity at 1KHz 10 +/- 2mV/Pa ** 14 +/- 2mV/Pa ** 16 +/- 2mV/Pa **
A weighted equivalent SPL level due to inherent noise 20 dB 17 dB 16 dB
Max. SPL for 0,5% 1KHz (PS 48 +/-4V) 135 dB 132 dB 131 dB
Output impedance at 1KHz < 100 Ohm < 100 Ohm < 100 Ohm
Phantom power 12-52 V 12-52 V 12-52 V
Diam.      
Conn.      

** matched pairs on request

 
Frequency response Omni element STM 99
 
Frequency response Cardioid element STM 99
 
Frequency response Supercardioid element STM 99
 
 
Polar pattern STM 99 Omni   Polar pattern STM 99 Cardioid
 
     
Polar pattern STM 99 SuperCardioid