Shure PA421B Wideband 470 - 865MHz Antenna Combiner - Optimize Your RF Management
Upgrade your monitoring setup with the Shure PA421B Antenna Combiner! Ideal for those who need to manage multiple PSM Personal Stereo Monitor systems. • Combines up to four PSM transmitters to a single antenna set, improving RF clarity and reducing rack clutter. • Wideband operation from 470 - 865 MHz for versatile use. • Daisy-chain up to 2 combiners for even more flexibility. Make your RF management a breeze with the Shure PA421B.
Features:
- Combines up to four PSM transmitters to a single antenna set
- Enhanced intermodulation for a cleaner RF environment
- Minimizes rack clutter
- Wideband operation (470 - 865 MHz)
- Daisy-chain up to 2 combiners with the expansion port
- Supplies DC power to compatible IEM transmitters
- LED indicators for signal presence, overload, and current draw
- Improved fan design for better thermal efficiency and less noise
- Optional modification to combine microphone receiver antennas (contact Shure Service Department for details)
- Provides +15V bias on RF inputs for antenna power
- Requires professional service technician modification
Specifications
- RF Frequency Range: 470 - 865 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: 1.09 A (at 100 V AC) (109 VA)
- Power Consumption: 98 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:
- Connector 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)
- DC Outputs:
- Output Voltage: 15 V DC
- Output Current (Per Output): 660 mA max
- Output Power (Per Output): 9.9 W
- LED Indicator Min. Detection Threshold: 85 mA
- LED Indicator Overload Threshold: >660 dBm
The Shure PA421B Wideband Antenna Combiner is perfect for those managing multiple PSM Personal Stereo Monitor systems. It combines up to four PSM transmitters to a single antenna set, reducing rack clutter. Operating from 470 - 865 MHz, it offers wideband functionality. The unit has a 50 Ω impedance. It operates in temperatures from 18 °C (0 °F) to 63 °C (145 °F). Power requirements are 100 to 240 V AC, 50 - 60 Hz. Current drain is 1.09 A (at 100 V AC), with a max power consumption of 98 W.
