Shure SM7dB Online User's Manual page 9

Sensitivity
Flat response bypass mode
Flat response +18 preamp engaged
Flat response +28 preamp engaged
Hum Pickup
(typical, at 60 Hz, equivalent SPL/mOe)
11 dB
Preamplifier Equivalent Input Noise
(A-weighted, typical)
-130 dBV
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements
(with preamp engaged)
48 V DC [2] phantom power (IEC-61938) 4.5 mA, maximum
Weight
0.837 kg (1.875 lbs)
Housing
Black enamel aluminum and steel case with black foam windscreen
[1] 1 Pa=94 dB SPL
[2]All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower
voltages, but with slightly decreased headroom and sensitivity.
­59 dBV/Pa[1] (1.12 mV)
-41 dBV/Pa[1] (8.91 mV)
-31 dBV/Pa[1] (28.2 mV)
Shure Incorporated
9/12