Shure Incorporated
31/33
(17.8 oz.)
Housing
Cast Metal, Black Powdercoat
Power Requirements
9 to 15 V DC, 250 mA min.
Spurious Rejection
>35 dB, typical
Gain Adjustment Range
-20 to 40 dB
in 1 dB steps
Audio Output
Configuration
6.35 mm (1/4") output Impedance balanced
Impedance
6.35 mm (1/4") output 100 Ω(50 Ω, Unbalanced)
Maximum Audio Output Level
6.35 mm (1/4") connector (into 3 kΩ load) +8.5 dBV
Pin Assignments
6.35 mm (1/4") connector Tip=audio, Ring=no audio, Sleeve=ground
Receiver Antenna Input
Impedance
50 Ω
Antenna Type
PIFA antennas
Maximum Input Level
−20 dBm