Shure PA821B Antenna Combiner (470-865 MHz)
PA SKU # SHU PA821B MFR # PA821B UPC # 042406472166
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- Product Highlights
- Combine up to 8 PSM Transmitters
- Overload & Signal LED Indicators
- Temperature-Sensitive Fan
- Optimizes RF management
- Reduces Rack Clutter
Eight-Channel PSM Antenna Combiner, 470-865 MHz
Shure PA821B Antenna Combiners are complementary accessories for Shure PSM Personal Stereo Monitor systems. When multiple systems are required for monitoring environments, the PA821B combiners quietly and efficiently reduce rack clutter and optimize RF management for up to eight PSM transmitters when racked in a central location.Note: PA821B replaces PA821A.
Available Options
PA821B: Eight-port PSM Antenna Combiner, 470-865 MHz (United States & Canada)
PA821BX: Eight-port PSM Antenna Combiner, 865-960 MHz (United States & Canada)
- Combines up to eight PSM transmitters to a single antenna set
- Improves RF networking
- Reduces rack clutter
- Wideband operation (470-865 MHz or 865-960 MHz)
- 8 Input LED Signals (green when active; off when inactive)
- Quieter fan for significant reductions in ambient unit noise
- Temperature-sensitive fan power for significant reductions in ambient unit heat
- LED indications of signal presence and signal overload
- Passive (non-powered) antenna combining*
- * Contact Performance Audio for more detail and availability. Requires modification of unit by qualified service technician.
- RF Frequency Range:
PA821B: 470-865 MHz
PA821BX: 865-960 MHz - Impedance: 50 Ω
- Operating Temperature Range: -18 °C (0 °F) to 63 °C (145 °F)
- Power Requirements: 100 to 240 V AC, 50-60 Hz
- Current Drain: 1.59 A (referenced at 100 V AC) (159 VA)
- Power Consumption: 143 W max.
- RF Input
- Connector Type: BNC
- Configuration: Active
- Impedance: 50 Ω
- RF Gain: 0 dB (±2 dB)
- LED Indicator Min. Detection Threshold: 2.5 dBm
- LED Indicator Overload Threshold: >24 dBm
- Main Output
- Connectory Type: BNC
- Impedance: 50 Ω
- Expansion Port
- Connector Type: BNC
- Configuration: Passive
- Impedance: 50 Ω
- Insertion Loss: <4 dB
- RF Expansion Port Normal Operating Range: 33 dBm (2 W)
- Included Accessories
- IEC Power Cord
- Four (4) 22 in. coaxial cables, BNC terminated
- Four (4) 2 ft. DC power output cables
- One (1) 11 in. coaxial cable, BNC terminated
- Optional Accessories
- Passive omnidirectional antenna
- Passive directional antenna
- Helical antenna
- BNC-terminated coaxial cables (RG-8X/U; various lengths)
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