MX300 NAV/COMM – Cessna ARC Replacement

Cessna ARC RT308C, Cessna ARC RT328T, Cessna ARC RT328A, Cessna ARC RT528E, Cessna ARC RT508D, Cessna ARC RT508A, Narco MK12D Replacement - MX300

Description

The MX300 NAV/COMM is designed to replace the Cessna ARC RT300/500 series. In most installations the MX300 will directly replace the RT308C, RT328T, RT328A, RT528E, RT508D, RT508A, as well as the Narco MK12D. The MX300 is available with either tan or black faceplate. See the owner’s manual for detailed specifications.

MX300NAV- OwnersManual

p pinout 300-220421 3 PM37

Specifications

Frequency Range: Comm – 760 channels 118.000 to 136.975 Mhz Nav – 200 channels 108.00 to 117.95 MHz Preselect channel storage capacity – 100
Frequency stability: +/- .003%, -20C to 50C
Transmitter Power: 8 Watts min
Modulation: 85% minimum with limiting at 90%
Sidetone: Adjustable to 40 mw into 500 ohms
Receiver Sensitivity: 1.5uV (soft) for 6db s+n/n or 1/2 flag Nav
Comm Selectivity: 6db @ +/- 7.5 Khz; 50db @ +/- 17.5Khz; 60db @ +/- 25 Khz
Nav Selectivity: 6db @ +/- 15 Khz; 50db @ +/- 35Khz; 60db @ +/- 50 Khz
Squelch: Noise adaptive squelch with manual override
Audio Output: 5 watts into a 4 ohm speaker; 40 mw into 500 ohm headphones
Demod Output: VOR adjustable from .25 to .75 arms
Weight: 5 lbs
Size: 6.03″ wide x 2.875″ height x 10.375″ mounting depth
TSO: C34e, C36e, C37e, C38c, C40b