AT3031
Element: Condenser
Dynamic Range (Typical): 132 dB, 1 kHz at Max. SPL
Polar Pattern: Cardioid (fixed)
Phantom Power Requirements: 11 - 52V, 3 mA typical
Frequency Response: 30 - 20,000 Hz
Switches: 10 dB pad; roll-off
Open Circuit Sensitivity: -34 dB (19.9 mV) re 1V at 1 Pa
Low Frequency Roll-off: 80 Hz, 12 dB per octave
Impedance: 250 ohms
Weight: 4.1 oz (116 g)
Maximum Input Sound Level: 148 dB SPL, 1 kHz at 1% T.H.D.
Output Connector: Integral 3-pin XLRM-type
Signal to Noise Ratio: 78 dB, 1 kHz at 1 Pa
Price: $150 (electret)
AT4051a
Element: Capacitor
Dynamic Range (Typical): 127 dB, 1 kHz at Max. SPL
Polar Pattern: Cardioid (modular)
Phantom Power Requirements: 48V (±4V)
Frequency Response: 20 - 20,000 Hz
Switch: Flat/roll-off
Open Circuit Sensitivity: -34 dB (19.9 mV), ±2 dB re 1V at 1 Pa
Low Frequency Roll-off: 80 Hz, 12 dB per octave
Impedance: 100 ohms
Weight: 4.2 oz (120 g)
Maximum Input Sound Level: 146 dB SPL, 1 kHz at 1% T.H.D.
Output Connector: XLRM-type
Signal to Noise Ratio: 75 dB, 1 kHz at 1 Pa
Price $400 (transformerless)