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Crown Audio LM-300A Supercardioid Condenser Dual Gooseneck Lectern Microphone



Crown Audio LM-300A Supercardioid Condenser Dual Gooseneck Lectern Microphone


 

Our Price : $350.12


Product Code: 505334

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Description
 
The Crown LM-300A is a dual-gooseneck microphone for lecterns, pulpits, or similar applications. The mic is identical except for arm length (see Figs. 3 and 4). Each professional-quality mic is an electret-condenser type with a supercardioid pickup pattern. The mic plugs directly into a female 3-pin XLR-type panel connector.

Because of its supercardioid pickup pattern, the LM-300A rejects more background noise, room reverberation, and feedback than a typical cardioid microphone. The model has a smooth, wide-range frequency response for natural reproduction of the singing or speaking voice. Very low frequencies are filtered out to reduce pickup of mechanically induced noise, room rumble, etc. The goosenecks adjust silently.

Supplied with the microphone is the WS-9, a highly effective foam pop filter. Its two-stagedesign greatly reduces explosive breath sounds. A low-cut switch built into the electronics housing further reduces breath pops and handling noise. Optional accessories include the LM-SM lockable shock mount, which provides mechanical isolation when mounted in a pulpit, lectern, or table top.

The microphone connector is a male 3-pin XLR-type for easy plug-in installation. The output is balanced and low impedance which allows long cable runs without hum pickup or high frequency loss. Superior RFI protection is also provided. Requires 12-48 V phantom power.

Specifications
  • Type: Unidirectional condenser.
  • Element: Electret condenser.
  • Frequency response (typical): 80 Hz to 15,000 Hz (110 Hz to 15,000 Hz with low cut). See Fig. 1.
  • Polar pattern: Supercardioid. See Fig. 2.
  • Impedance: 150 ohms, balanced. Recommended minimum load impedance 1000 ohms.
  • Open-circuit sensitivity: 6 mV/Pa* (44.5 dBV/Pa*).
  • Power sensitivity: 42 dBm/Pa*.
  • Equivalent noise level: 28 dB SPL typical (0dB=.0002 dyne/cm2), A-weighted.
  • S/N ratio: 66 dB at 94 dB SPL.
  • Maximum SPL: 120 dB SPL produces 3% THD.
  • Polarity: Positive pressure on the diaphragm produces a positive voltage on pin 2 with respect to pin 3 of the output connector.
  • Operating voltage: 12 to 48 V phantom power, positive voltage on pins 2 and 3 with respect to pin 1 of the output connector.
  • Current drain: 3.5 mA.

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