• Shure PA421B Antenna Combiner
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Shure PA421B Antenna Combiner

Shure PA421B Antenna Combiner

SoundPro Item: 18407 | Part Number: PA421B

$2,500.00
$2,500.00 $2,500.00
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MSRP: $2,500.00 | MAP: $2,500.00

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  • Combines up to four PSM transmitters to a single antenna set for improved RF networking & reduced rack clutter.
  • 4 Input LED signals (green when active; off when inactive)
  • Quieter, temperature-sensitive fan for significant reductions in ambient unit noise and heat
  • Daisy-chain up to 2 combiners with the expansion port.
  • LED indicators for signal presence and signal overload
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The PA821B active broadband antenna combiner streamlines the simultaneous operation of many PSM systems at a venue. The PA821B combines the RF outputs from up to four 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. (Directly replaces PA421A.)

The PA421B is compatible with Shure PSM300, PSM 900 and PSM 1000.

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Specifications

Electrical
Power Requirements
100 to 240 V AC, 50-60 Hz
Current Drain
1.09 A (referenced at 100 V AC) (109 VA)
Power Consumption
98 W max.
Audio
Impedance
50Ω
RF Gain
0 dB (±2 dB)
Connectivity
RF Input
Connector Type: BNC, Configuration: Active, Impedance: 50Ω, 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: 50Ω
Expansion Port
Connector Type: BNC, Configuration: Passive, Impedance: 50Ω, Insertion Loss: <4 dB, RF Expansion Port Normal Operating Range 33 dBm (2 W)
DC Outputs
Output Voltage: 15V DC, Output Current (Per Output): 660 mA max, Output Power (Per Output): 9.9W, LED Indicator Min. Detection Threshold: 85 mA, LED Indicator Overload Threshold: >660 dBm
Included Items
PA421B Antenna Combiner
1x
IEC Power Cord
1x
2 ft. DC Power Output Cables
4x
22 in. Coaxial Cables, BNC Terminated One (1) 11 in. Coaxial Cable, BNC Terminated
4x
Environmental
Operating Temperature Range
−18°C (0°F) to 63°C (145°F)
General
RF Frequency Range
PA421B: 470-865 MHz, PA421BX: 865-960 MHz
PA421B
470-865 MHz
PA421BX
865-960 MHz

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