Shure BLX WIRELESS SYSTEM Manual page 23

Wearing the microphone
your head. Adjust the wireframe as needed to
fit the headset comfortably.
attempt to adjust the headset by putting force
on the boom housing.
Place the microphone at the
CORNER of your mouth, so that
the microphone housing rests
about 12 - 25 mm (1/2 - 1 in.) away
from your face.
Place the wireframe around the BACK of
DO NOT manipulate the boom housing, or
PG30 Technical Specifications
Type
Frequency Response
Polar Pattern
Output Impedance
Output Level
Signal to Noise Ratio
Maximum SPL
Dynamic Range
(max. SPL to A-weighted noise level)
Output Noise
Recommended Operating Voltage
Polarity
Cable
Connector
Net Weight
Replacement Parts
*All measurements taken using RK183PK preamp set to 0dB gain
Wiring Diagram
CARTRIDGE
Condenser, electret bias
60Hz to 18,000Hz* (see Frequency Chart)
Cardioid (unidirectional)
1200Ω @1kHz*
-52dBV/Pa (2.5 mV)*
61dB, 1kHz at 1 Pa*
125dB
92dB*
33dB (typical, A-Weighted)*
+5VDC, 10V max (pin 2 to pin 1)
Positive sound pressure on diaphragm produces
positive voltage on pins 3 and 4 relative to pin 1
(ground) on the mini TA4F connector.
1.27 m (50 in.) two-conductor shielded
Mini TA4F
51.6 g (1.82 oz)
Windscreen (2), Clothing Clip...............RK322
TA4F CONNECTOR
RED (to drain) (DC bias)
BLACK (to source) (audio)
SHIELD