M4.4 Rear.gif

 M4.4 AM-FM Broadcast Receiver

RF TUNING RANGE
AM: 520 kHz to 1720 kHz (User-selected 9 kHz or 10 kHz increments)
FM: 87.9 MHz to 108.1 MHz (User-selected 100 kHz or 200 kHz increments)

RF USABLE SENSITIVITY
AM: < 20 dBf (-100 dBm) for SNR -20 dB referenced to 30% modulation
FM: < 15 dBf (-100 dBm) for SNR -30 dB referenced to 100% modulation

RF INPUT
F-Type 75-ohm connectors
AM-FM: -55 dBm Nominal; -20 dBm Maximum

IF REJECTION
AM: > 100 dB for SNR -20 dB
FM: > 100 dB for SNR -30 dB

IMAGE REJECTION
> 65 dB

FM ALTERNATE CHANNEL SELECTIVITY
> 70 dB

AM ADJACENT CHANNEL SELECTIVITY
> 35 dB

AF BANDWIDTH - HD RADIO
AM: ±1 dB, 40 Hz to 15 kHz
FM: ±1 dB, 20 Hz to 20 kHz

AF BANDWIDTH - ANALOG
AM: ±1 dB, 40 Hz to 9 kHz (NRSC filter)
FM: ±1 dB, 20 Hz to 16 kHz

FM ANALOG DE-EMPHASIS
50 µSEC or 75 µSEC (User-selected)

ANALOG AUDIO OUTPUTS 
Left/Right Balanced XLR connectors
+4 dBm into 600 ohm at 100% modulation

DIGITAL AUDIO OUTPUT
AES-3 Professional, 110-ohm transformer-isolated on XLR connector
0 dBFS <0.005% THD+N using HD Radio™ input

HD RADIO™ HYBRID ACQUISITION
<4.5 seconds

HD RADIO™ SPLIT-MODE
L+R FM-MPS on the left channel and L+R HD1 on the right channel of Analog. Digital and Headphone audio outputs

ALARM NOTIFICATION
5-rear panel tallies, front panel indications and email for loss of Audio, Carrier, OFDM HD Radio Lock, Multicast Available and PAD-RBDS 

HD RADIO™ PAD AND SIS DATA
SIG, SIS, Extended SIS, AAAS, and LOT; PAD including station long and short name, program type, song file, artist, album, genre and comment fields.

RDS/RBDS CAPABLE
All tuners are RDS/RBDS capable

RBDS DATA
PI (Call Letters), PS (Program Service), PTY (Program Type), and RT (Radio Text)

AC POWER
Auto-sensing 85-264 VAC, 47-63 Hz input

ENVIRONMENTAL
Operating Temperature: +41 to +105° F (+5 to +40° C) 
Storage Temperature: -13 to +140° F (-25 to +60° C)
Relative Humidity: Maximum 85%, non-condensing

PRODUCT DIMENSIONS
1RU EMI-hardened; 19” (48.26 cm) W x 14” (35.56 cm) D x 1.75” (4.45 cm) H

SHIPPING WEIGHT AND DIMENSIONS
12 lbs. (5.44 kg); 21” (53.34 cm) W x 17” (43.18 cm) D x 4.75 (12.07 cm) H

WARRANTY
Three years, limited parts and labor