Shure BLX4R-H9 Single-Channel Wireless Receiver, H9 Band
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Shure's BLX4R-H9 is a rack-mountable receiver with removable antennas for quick distribution. The BLX4R offers simple setup and intuitive controls. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. Removable antennas allow for quick antenna distribution. For use with BLX® Wireless Systems.IncludesBLX4R Rackmount ReceiverRack Mount BracketLong Rack Mount BracketLink BracketHardware Kit(2) 1/4 Wave BNC Antenna(2) BNC Bulkhead Adapter(2) 22 in. BNC CablePower supplyFeaturesXLR and ¼" output connectorsMicroprocessor-controlled internal antenna diversityTwo-color audio status indicator LEDGreen: Normal audio levelsRed: Excessive audio levels (overload / clipping)Adjustable output levelLCD display with detailed RF and audio meterSpecificationsBLX SystemWorking Range: 91 m (300 ft) Line of Sight (actual range depends on RF signal absorption, reflection and interference)Audio Frequency Response: 50 to 15,000 Hz (dependent on microphone type)Total Harmonic Distortion, Ref. ±33 kHz deviation with 1 kHz tone: 0.5%, typicalDynamic Range: 100 dB, A-weighted, typicalOperating Temperature: -18°C (0°F) to 57°C (135°F) (battery characteristics may limit this range)Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4-inch output.BLX4R Rackmount ReceiverOutput ImpedanceXLR connector: 200 Ω6.35 mm (1/4") connector: 50 ΩAudio Output Level, Ref. ±33 kHz deviation with 1 kHz toneXLR connector: –20.5 dBV (into 100 kΩ load)6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)RF Sensitivity: -105 dBm for 12 dB SINAD, typicalImage Rejection: >50 dB, typicalDimensions (H x W x D): 1.65 in. X 7.80 in.X 6.42 in. (42 mm X 198 mm X 163 mm)Weight, without antennas: 2.2 lbs (998 g)Housing: Molded ABS, steelPower Requirements: 12–15 V DC @ 260 mA, supplied by external power supply (tip positive) Shure BLX4R-H9 Single-Channel Wireless Receiver, H9 Band.
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