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Armstrong X500B

**AM Transmitter 500 Watts


This compact, 500 Watt Solid State AM Transmitter is HD Radio ready and offers high quality audio, low maintenance and optimized multiphase modulation.

Housed in a heavy-duty aluminum chassis, it easily fits into a 19" rack, taking up only seven rack spaces (12.25"). It features hot pluggable 600-watt modules and three power level settings (that can be easily field set) to give you versatility for full power and pre sunrise/post sunset power adjustment. It is capable of 150% positive modulation and offers complete remote control capability via a rear mounted DB 25 connector.

HD Radio compatible, it sports an external RF input for digital signal injection.

Note: Photo and Literature Link below features the X1000B 1 kW transmitter.

Main Features:
• +90% RF PA efficiency
• Optimized multiphase modulator (flat group delay, low source impedance)
• Capable of +150% positive modulation
• Compact design
• Designed to easily accept the new digital IBOC signal
• Three preset power levels and full remote control capability
• Two hot-pluggable 600 Watt RF modules for extra reliability and headroom
• Two high efficiency switching power supplies
• Fully redundant RF, modulator, cooling system and power supplies

*Please consult a broadcast engineer to determine if this unit is right for your application and you are meeting all of the appropriate legal requirements. You can review the FCC regulations on LPFM and unlicensed usage below.

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