FM retransmission receive
Inovonics' AARON 640 is a premium FM retransmitter/translator receiver developed to meet the most demanding reception scenarios. Boasting superior off-air performance even for the most elite professional and consumer receivers, AARON 640 offers many of the features of its older brother AARON 650, but at an affordable price.
The AARON 640's highly sensitive and selective front end digitally decodes the entire analog base band. The outputs are low latency MPX, Balanced Analog and AES-Digital for retransmission.
The rear panel provides a 50 Ohm (N) antenna connector, a true composite output (off air), Balanced Analog and AES-Digital audio and remote IP access. The rear panel and self-locking alarms constantly check for Audio Loss, RF Loss and RDS Loss (or 'hijacking'). Online notifications can alert staff with email or instant text messages when any of the alarms occur. The front panel displays left and right audio measurement, local LED alarms and an LCD screen with jog wheel for advanced control and modification of all tuning and monitoring parameters.
The AARON 640's "responsive" web interface allows complete configuration, listening, recording and control of the unit from PC, tablet or smartphone, and reliable 2-way connectivity is provided by a built-in Dynamic DNS utility. Advanced off-air measuring instruments include an FM and FFT BandScanner from the MPX region. The reception bandwidth, auto-blending and many other receiver parameters are controlled by manual or automatic reception processing.
High-performance 'Software-Defined-Radio' design.
Synchronous (low latency) off-air composite output
Analog and digital balanced outputs AES-Digital Program Line
Active reception processing by bandwidth, Stereo Blend, HF Blending and more
BandScanner for RF spectrum analysis on site
Local alarm matches local alarm and self-locking alarms constantly monitor for audio loss, RF loss and RDS loss
Web interface for remote control and listening + email and text notifications
Includes antenna adapter from "N" to "F".
Extended FM Band: 65.0MHz-108.0MHz
Unweighted monophonic SNR for AES Digital and L/R Analog line outputs referring to ±75kHz carrier deviation at specified RF input levels:
82dB Digital, >80dB Analog to 60dBμv
78dB Digital, >76dB Analog to 40dBμv
60dB Digital/Analogue at 20dBμv
50dB Digital/Analogue at 10dBμv
43dB Digital/Analogue at 0dBμv
Selectable IF bandwidths
311kHz, 287kHz, 254kHz, 236kHz, 217kHz, 200kHz, 184kHz, 168kHz, 151kHz, 133kHz, 114kHz, 97kHz, 84kHz, 72kHz, 64kHz and 56kHz
Composite/MPX output (pass-through): ±0.5dB, 20Hz-100kHz
Digital AES and analog L/R line outputs: ±0.2dB, 20Hz-15kHz
Stereo separation (at 1kHz)
Composite/MPX output: >45dB
AES Digital & L/R Analog Line Outputs: >50dB
Program Signal Latency (delay)
Composite/MPX output: <250μs
AES Digital & L/R Analog Line Outputs: <2.0ms
Tuning Steps: 200kHz, 100kHz or 10kHz
De-Emphasis (line outputs): 75μs or 50μs
Radio Data System: RBDS or RDS
BACK PANEL APPOINTMENTS
50 ohm (N)
Digital line output
The AES3 stereo output (XLR) is a 24-bit, 48kHz output that can be adjusted between -30dBFS and 0dBFS, corresponding to a carrier deviation of ±75kHz, with or without de-emphasis.
Analog Line Outputs
Active balanced outputs (XLR) are adjustable between -20dBu and +18dBu (+15.5dBm), corresponding to a carrier deviation of ±75kHz, with or without de-emphasis. The source impedance is 200 ohms.
The unbalanced output (BNC) can be set between 1V p-p and 6V p-p, corresponding to a carrier deviation of ±75kHz. The source impedance is 75 ohms.
Composite audio processing
Up to 3dB of composite clipping can be applied to the composite/MPX output to better define the FM deviation limit. The 19kHz stereo driver and the 57kHz RDS subcarrier are stripped, filtered and reinserted after the clipper. This clipping function does not affect the outputs of the demodulated L/R program.
An RJ45 socket accepts TCP/IP network connections for configuration and remote operation of the AARON 640.
(Front panel): A quarter-inch headphone jack (TRS) controls the off-air program signal. The headphone volume is a menu item.
A graphic display on the front panel and a scroll wheel allow easy, menu-driven on-site setting and operation of the AARON 640. The "VU" LED counters display the audio levels of the L/R program.
The IP network port allows full configuration and remote operation of the AARON 640 on a local network or on the Internet using any desktop, tablet or mobile browser.
SNMP remote monitoring supported
Test tone generator
20Hz - 20kHz; 60dB attenuator
AC network requirements
90-130VAC or 200-255VAC, 50/60Hz; 5W
A: 1¾in/44mm, L: 19in/483mm, D: 9½in/240mm (1U)
9lb/4kg (net), 12lbs/5.4kg (shipping)
Continuous operation guaranteed at ambient temperatures between 32°F/0°C and 122°F/50°C; 0-95% relative humidity, non-condensing; altitudes up to 10,000ft/ 3048m.