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Wheatstone Corporation - FM-55
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FM/LPFM Audio Processor

Model: FM-55

  • Multiband adaptive iAGC
  • Newly developed Bass Management System
  • Exclusive stereo multipath controller technology for enhanced stereo reception
  • Baseband192 built in for composite digital link to transmitter
  • FM peak control via oversampled distortion masked clipper
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FM-55 FM audio processor with stereo generator is simple and affordable, yet powerfully modern right down to its AES digital multiplex into the exciter.

Unique among processors, the FM-55 includes new intelligent five-band AGC technology — or iAGC — coupled to a five-band limiter and stereo generator. The combination provides automatic and superior real-time program density control for a consistent, spectrally-balanced sound regardless of density variations in incoming source material.

Other features of the FM-55 include our five-band stereo enhancement and program adaptive L-R control for multipath mitigation.

The FM-55 fully supports the WheatNet-IP Intelligent Network, and is equipped with two analog composite outputs, two SCA inputs, balanced analog Left/Right outputs and an AES digital output which may be switched to deliver either discrete Left/Right or baseband192 digital multiplex signal. Input audio with automatic source failover may be delivered via analog, AES and WheatNet-IP.

The composite output signal is available as traditional analog via twin rear panel BNC connectors and simultaneously as Wheatstone’s baseband192 digital multiplex technology.

The FM-55’s Bass Management System is also new and circumvents bass-related distortion plaguing other broadcast audio processors. The result is increased depth, feel, and clarity of bass impact without affecting mid and high frequency program -- in fact bass detail and the clarity of higher frequency audio are actually enhanced by the new algorithm.

I/O compatibility makes it possible to control the FM-55 and stream its audio to and from anywhere in the IP audio network, making it 100% compatible with WheatNet-IP surfaces and controllers.

  • Multiband adaptive iAGC
  • Newly developed Bass Management System
  • Exclusive stereo multipath controller technology for enhanced stereo reception
  • Baseband192 built in for composite digital link to transmitter
  • FM peak control via oversampled distortion masked clipper
  • Four-band full parametric equalizer
  • Variable high pass filter and voice phase rotator
  • Ethernet-based remote control via 100BaseT Ethernet and rear panel RJ-45
  • Four GPI preset triggers
  • Front panel headphone jack
  • AES3 digital input accepts 32kHz - 96kHz
  • AES3 digital output automatically synchronizes to AES3 digital input
  • Precision FM stereo MPX generator with multiplex mask filters
  • Specially tuned factory presets
  • Guru GUI, for easy setup and navigation
  • WheatNet-IP compatible
  • Front panel setup and configuration menu eliminates the need for a PC during installation
  • Applications:
    • FM
    • LPFM
 
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