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SPECIFICATIONS
Type
Dynamic
Frequency Response
150 to 6,000 Hz (see Figure 2)
TYPICAL FREQUENCY RESPONSE
FIGURE 2
Polar Pattern
Omnidirectional
Impedance (at 1,000 Hz)
Microphone rating impedance is 150 ohms (220
ohms actual) for connection to microphone in-
puts rated at 75 to 300 ohms
Output Level (at 1,000 Hz)
Open Circuit Voltage* –74.0 dB (0.2mV)
. . . . . . . .
Power Level** –53.5 dB. . . . . . . . . . . . . . . . . . . . . . . .
*0 dB = 1 volt per microbar
**0 dB = 1 milliwatt per 10 microbars
Switch
Press-to-Talk Switch actuates microphone circuit
and external relay or control circuit. Microphone
circuit normally open.
Cable
2.1m (7 ft) four-conductor, two conductor
shielded, non-detachable
Case
Brown ARMO-DUR
R
with dull chrome-plated
steel screen
Dimensions
See Figure 3
OVERALL DIMENSIONS
FIGURE 3
Net Weight
836 grams (1 lb 13-1/2 oz)
Shipping Weight
1.12 kilograms (2 lb 7-1/2 oz)
REPLACEMENT PARTS
Cartridge R50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable C32C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switch RK321S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For additional service or parts information, please
contact Shure’s Service Department at 1–800–
516–2525. Outside the United States, please contact
your authorized Shure Service Center.