Wireless System Components
Shure MX690 Microflex Wireless Boundary Microphone <strong>Transmitter Specifications</strong><br />Operating Range: 100 ft (30 m) (Note: Actual range depends on RF signal absorption, reflection, and interference)<br />Frequency Stability: ±10 ppm<br />Maximum Frequency Deviation: 45 kHz<br />Oscillator Type: Phase-locked loop (PLL) controlled synthesizer<br />Power Requirements: 3V (2 AA alkaline or rechargeable batteries)<br />Battery Life: =8 hours (alkaline)<br />Power Consumption: 130 mA, ±15 mA<br />Operating Temperature Range: -18â57 degrees C (0â135 degrees F)<br />(Note: Battery may limit this range)<br />Dimensions (H x W x D): 1-11/16" x 3-3/8" x 5-13/16" (43 x 87 x 148 mm)<br />Weight: 11.2 oz (318 g)<br /><br /><strong>Microphone</strong><br />Type: Condenser (electret bias)<br />Frequency Response: 50â17000 Hz<br />Polar Pattern (at 1 kHz): Cardioid<br />Sensitivity (at 1 kHz , open circuit voltage): â33 dBV/Pa (22 mV) 1 Pascal=94 dB SPL<br />Dynamic Range (1 kohm load at 1 kHz): 96 dB<br />Common Mode Rejection (10 Hz to Options Available:
CH G4, CH G5, Ch H5, Ch J3, Ch Jb, Ch L4, Ch Q4, C...
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