Shure PA821B Antenna Combiner
Shure PA821B Antenna Combiner
SoundPro Item: 43602 | Part Number: PA821B
Usually ships in 5-7 business days
- Combines up to eight PSM transmitters to a single antenna set for improved RF networking & reduced rack clutter
- Quieter fan for significant reductions in ambient unit noise - especially useful for installation work
- Temperature-sensitive fan power for significant reductions in ambient unit heat
- 8 Input LED Signals (green when active; off when inactive)
- LED indications of signal presence, signal overload
The PA821B active broadband antenna combiner from Shure streamlines the simultaneous operation of many PSM systems at a venue. The PA821B combines the RF outputs from up to eight PSM transmitters into one RF output to feed a single transmit antenna. This provides significantly improved reception quality due to reduced intermodulation distortion and dropouts due to multipath interference. The PA821B is compatible with the wireless personal monitors Shure PSM 300, PSM 900 and PSM 1000.
- RF Carrier Frequency Range 470-870 MHz
- System Gain +0/-5 dB
- Input AC Line Voltage 100-240 Vac, 50/60 Hz
- Maximum Input Line VA 100 VA
- Maximum Current Drain 0.42-1.0 Amperes (Amperes = 100 VA/Input AC Line Voltage)
- Maximum RF Input Power 24 dBm (250 mW) per channel
- Input Signal Indicator Threshold +4 dBm (2.5 mW), +2 dBm (1.6 mW) typical
- Impedance 50 Ω nominal
- Operating Temperature Range
- 0° F (-18° C) to +135° F (+57° C)
- NOTE: Electrical safety approval is based on a maximum ambient temperature of 35°C.
- Overall Dimensions (H x W x D) 43.4 x 398.8 x 331.5 mm (1 11/16 x 15 11/16 x 13 1/2 inches)
- Net Weight4.53 Kg (10 lbs unpackaged, without power and RF cables)
- Input/Output Connector Type
- BNC-type 8 input, 1 output ACTIVE
- 2 Inputs, 1 output EXPANSION PORT
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