Shure Beta 27 Condenser Microphone

Type: Condenser (externally biased)

Frequency Response: 20 to 20,000 Hz

Polar Pattern: Supercardioid

Impedance: 160 Ohm

Sensitivity (at 1 kHz, open circuit voltage):
- -37 dBV/Pa
- 1 Pascal=94 dB SPL

Maximum SPL (1 kHz at 1% THD):
- 1000 Ohm load: 134 dB (148 dB, Pad on)
- 2500 Ohm load: 140 dB (154 dB, Pad on)

Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz):
- 85.5 dB
- S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

Dynamic Range (at 1 kHz):
- 1000 Ohm load: 125.5 dB
- 2500 Ohm load: 131.5 dB

Common Mode Rejection (20 Hz to 20 kHz): > 50 dB

Clipping Level (20Hz-20 kHz at 1% THD):
- 1000 Ohm load: 2.0 dBV
- 2500 Ohm load: 8.5 dBV
- THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL

Self-Noise (typical, equivalent SPL, A-weighted): 8.5 dB

Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

Weight: Net: 428 g (15.1 oz.)

Switch:
- Attenuator: -15 dB
- Low Frequency Response: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz

Connector: Three-pin professional audio (XLR), male

Power Requirements: 48v DC phantom, 5.6 mA
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 2.25 lbs
Shipping Dimensions: 10 x 6 x 4 in
Manufacturer Part Number (MPN): BETA 27
If you have additional warranty questions, please contact the manufacturer at 800-25-SHURE
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