Listen Technologies Stationary RF Receiver/Power Amplifier (72 MHz)

BH #LILR100072 • MFR #LR-100-072
Listen Technologies Stationary RF Receiver/Power Amplifier (72 MHz)
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Listen Technologies LR-100-072 Overview

The Stationary RF Receiver/Power Amplifier from Listen Technologies is a 72 MHz stationary, auditory assistance receiver with a built-in power amplifier. This unit has Listen Technologies' Look & Listen LCD Display showing channel, lock, and battery level. A security cover protects auxiliary and receiver volume, adjustable squelch, and trim controls. It has a balanced or unbalanced speaker wire output options and multiple input options. It's powered by a 15 VAC/1000 mA power input or a 12 VDC battery.

80 dB signal-to-noise ratio (SNR)
57 channels
Listen receivers are digitally tuned so the transmission won't drift
Unneeded channels can be locked so the receiver will access only one or more channels of your choice
Look & Listen LCD shows channel, battery status, signal strength, and programming information
Uses standard alkaline or nickel-metal hydride (NiMH) batteries
Built in SmartCharge won't allow batteries to overcharge
Drop-in charging contacts for any of Listen's many charging cases or a charging plug on the side of the unit
Adjustable squelch control
Selectable audio output
Multiple input options
Remote control capabilities
Optional 12 VDC input

Listen Technologies LR-100-072 Specs

RF Specification
RF Frequency Range72.025 to 75.95 MHz
Number of Channels57 (17 wideband, 40 narrowband)
Frequency Accuracy± .005% stability +32 to 122°F (0 to 50°C)
Sensitivity0.6 uV typical, 1 uV maximum for 12 dB SINAD
AntennaLA-123 90° helical antenna (72 MHz)
Antenna ConnectorBNC
ComplianceFCC Part 15, Industry Canada
Frequency ResponseSystem: 50 Hz to 15 kHz (±3 dB)
Signal to Noise RatioSystem, A-Weighted: 80 dB SQ enabled, 60 dB SQ disabled
System Distortion<2% total harmonic distortion (THD) at 80% deviation
AuxiliaryInput to Output: 25 Hz to 20 kHz (±3 dB) frequency response, SNR 80 dB, distortion: <0.2%
Auxiliary InputBalanced: rear panel, 1 x female XLR 1/4" combo connector, 0 dBu nominal input level adjustable, +13 dBu maximum, impedance 600 ohm
Unbalanced: rear panel, 2 x phono connectors, -10 dBu nominal input level adjustable, +7 dBu maximum, impedance 10k ohm
OutputBalanced Output: rear panel, 1 x male XLR, 0 dBu nominal output level, +16 dBu maximum, impedance 2 k/10 Ohms (line/mic)
Unbalanced Output: rear panel, 2 x phono connectors, -10 dBu nominal output level, +2 dBu maximum, impedance 2 k ohm
Headphone OutputMonitor: front panel, 1 x 3.5 mm stereo connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohm
Speaker OutputRear panel, 1 x detachable terminal block, bridged, adjustable output level, 15/10 W (peak/RMS) continuous power with 4 ohm load
Controls Front PanelPower, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control
User ControlsVolume, channel UP/DOWN, SEEK (all controls except volume are lockable)
Rear PanelAudio output select (RX Only, RX + AUX, RX or AUX)
Speaker (Output, Aux), switchable balanced output level
Remote Control8-position detachable terminal block, channel up, channel down, mute
ProgrammingUnit can be programmed so that only desired channels are displayed to the user
VU Meter4 LED (three green, one red)
PowerIndicated by a green LED when on (front panel)
RF PowerIndicated on the LCD (low, mid, high)
LCD DisplayChannel designation, lock status, RF power level, programming (front panel)
SquelchGreen LED illuminates when the unit is squelched
MuteGreen LED illuminates when the output audio is muted
TypeIn-line power supply
Input120 VAC, 60 Hz, 19 W
Output15 VAC, 1 A
Output Connector0.02" (5 mm) OD, 0.01" (2.5 mm) ID, barrel type
ComplianceUL listed
Battery12 VDC, connected via terminal block
Battery ChargingTrickle charge of optional 12 VDC battery through terminal block connection
Operation Temperature14 to 104°F (-10 to 40°C)
Storage Temperature-4 to 122°F (-20 to 50°C)
Humidity (Non-Condensing)0 to 95% relative humidity
Rack MountOne rack space height, 1/2 rack space wide, one or two receivers can be mounted in one rack space
Dimensions1.75 x 8.5 x 9.13" (4.5 x 21.5 x 23 cm)
WeightUnit: 2.8 lb (1.3 kg)
Unit with Power Supply: 4.2 lb (1.9 kg)
Packaging Info
Package Weight5 lb
Box Dimensions (LxWxH)14.2 x 10.7 x 3.1"
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