MA-301fet Condenser Microphone

<Transducer Type> Externally polarized, pressure gradient capacitor - double diaphragm. </Transducer Type> <Diaphragm> 1-inch diameter, gold sputtered </Diaphragm> <Diaphragm Thickness > 3 microns </Diaphragm Thickness > <Polar Pattern> 3 patterns; omni, cardioid and figure-8 </Polar Pattern> <Frequency Response> 20 Hz to 20 KHZ, +/-3 dB at "flat" setting of bass cut switch. Bass cut switch provides 6 dB per octave attenuation below 100 Hertz in "cut" setting </Frequency Response> <Sensitivity> -40.5 dB, re. 1V/pa </Sensitivity> <Maximum Spl> 120 dB with pad off, 135 dB with pad on. </Maximum Spl> <Distortion> &lt; 1% @ 120 dB SPL , &lt; 3% @ 134 dB SPL with pad off, &lt; 1% @ 134 dB SPL, &lt; 3% @ 148 dB SPL with pad on </Distortion> <Self Noise> 14dB nominal, not to exceed 16dB (A weighted) </Self Noise> <Pad> 15 dB </Pad> <Bass Cut> 6 dB per octave below 100 hertz. </Bass Cut> <Impedance> 550 ohms, transformer balanced (Jensen) </Impedance> <Powering> 48VDC phantom power; current 1.2 mA </Powering> <Carrying Case Weight (full)> 4 lbs. </Carrying Case Weight (full)> <Carrying Case Dimensions> 10" x 9" x 4.5" </Carrying Case Dimensions> <Microphone Weight> 1 lb. </Microphone Weight> <Microphone Dimensions> 7 5/8" X 2" </Microphone Dimensions>