Crown LM300AL
Crown LM300AL Description:
The Crown LM-300AL is a dual-gooseneck microphones for lecterns, pulpits, or similar applications. Each professional-quality mic is an electret-condenser type with a supercardioid pickup pattern. The mics plug directly into a female 3-pin XLR-type panel connector.
Because of their supercardioid pickup pattern, the LM-300AL rejects more background noise, room reverberation, and feedback than a typical cardioid microphone. The models have 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 microphones is the WS-9, a highly effective foam pop filter. Its two-stage design 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.
Crown LM300AL 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 rati 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.
- Materials: Steel housing and gooseneck.
- Finish: Black.
- Weight: 5.5 ounces (159 grams).
- Dimensions: 22" total length.
- Included accessories: WS-9 foam pop filter.
- Optional accessories: WS-5 foam windscreen. LMSM shock mount. PH-4B phantom power supply (4 channels, AC powered). PH-1A phantom power supply (1 channel, battery or AC adaptor powered). PS-24 24V DC power supply for PH-1A. ASA-4 mic stand adapter.
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