Listen | Listen LR-100-072 Stationary FM Receiver/Power Amplifier (72 MHz) | Pro Sound, Lighting and DJ Equipment

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Listen LR-100-072 Stationary FM Receiver/Power Amplifier (72 MHz)

Listen's LR-100 Stationary Receiver/Power Amplifier is a stationary auditory assistance receiver with a built-in power amplifier. When used with a Listen transmitter, the LR-100 can deliver high quality audio for use in a variety of locations and applications -- most commonly with a wireless audio distributed system.

This unit has Listen's signature Look&ListenTM LCD Display showing channel, lock, and battery level. A security cover protects auxiliary and receiver volume, adjustable squelch and trim controls. It has an balanced or unbalanced speaker wire output options. Multiple input options give this unit great flexibility. It's powered by a 15 VAC/1000mA power input or 12 VDC battery. An antenna is needed for reception.

Includes

LR-100 Stationary FM Receiver/Power Amplifier
LR-100 manual
LA-201 15 VAC Power Supply
LA-123 90° Helical Antenna (72 MHz)
LA-124 90° Helical Antenna (216 MHz)
Hex Wrench (for face plate removal)

Architectural Specs
The Stationary FM Receiver/Power Amplifier shall be capable of receiving on 57 wide and narrow band channels in the frequency ranges of either 72 MHz or 216 MHz. The receiver shall be programmable to electronically lock out unneeded channels. The device shall have an adjustable squelch with an LED indication. The device shall have an audio frequency response of 50 Hz to 15k Hz, ±3 dB at 72 MHz, or of 50 Hz to 10 kHz, ±3 dB at 216 MHz. The signal to noise ratio shall be 80dB or greater. The device will have an integrated 15 watt power amplifier capable of driving an 8 ohm speaker. The device shall be rack mountable and shall have the capability of a remote antenna. The device shall incorporate an LCD display that indicates channel and RF signal strength. The Listen LR-100 is specified.

Superior audio quality – 80 dB signal-to-noise ratio (SNR), setting the industry’s sound quality standard.
57 channels.
100 % Digital – Listen receivers are digitally-tuned so the transmission won’t drift.
Limited Lifetime Warranty with hassle-free support.
Programmability – Unneeded channels can be locked so this 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. Charging circuitry is conveniently built into Listen’s receivers.
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.
Many accessory options make Listen products ideal for a wide range of applications.

Download Listen Technologies LR-100 Data Sheet

Download Listen Technologies LR-100 Manual

Specifications

	Specifications	LR-100-072	LR-100-216
RF	RF Frequency Range	72.025 - 75.950 MHz	216.0125 - 216.9875 MHz
	Number of Channels	17 wide band, 40 narrow band	19 wide band, 38 narrow band
	Frequency Accuracy	± .005% stability +32 ºF to +122 ºF (0 ºC to +50 ºC)
	Sensitivity	.6uV typical, 1 uV maximum for 12 dB SINAD
	Antenna	LA-123 90° Helical Antenna (72 MHz)	LA-124 90° Helical Antenna (216 MHz)
	Optional Antennas	Various antennas available
	Antenna Connector	BNC
	Compliance	FCC Part 15, Part 90, Industry Canada

Audio	All system specifications are wireless end to end
	System Frequency Response	50 Hz - 15 kHz (±3 dB)	50 Hz - 10 kHz (±3 dB)
	System Signal to Noise Ratio (A-Weighted)	80 dB SQ enabled, 60 dB SQ disabled	80 dB SQ enabled, 50 dB SQ disabled
	System Distortion	<2% total harmonic distortion (THD) at 80% deviation
	Auxiliary Input to Output	25 Hz to 20 kHz (±3 dB) frequency reponse, SNR 80 dB, Distortion: <0.2%
	Balanced Auxiliary Input	Rear panel, one (1) female XLR-1/4 in combo connector, balanced, 0 dBu nominal input level adjustable, +13 dBu maximum, impedance 600 ohm
	Unbalanced Auxiliary Input	Rear panel, two (2) phono connectors, unbalanced, -10 dBu nominal input level adjustable, +7 dBu maximum, impedance 10k ohm
	Balanced Output	Rear panel, one (1) male XLR, balanced, 0 dBu nominal output level, +16 dBu maximum, impedance 2k/10 Ohms (line/mic)
	Unbalanced Output	Rear panel, two (2) phono connectors, unbalanced, -10 dBu nominal output level, +2 dBu maximum, impedance 2k ohm
	Headphone Output (Monitor)	Front Panel, one (1) 3.5mm stereo connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohm
	Speaker Output	Rear panel, one (1) detachable terminal block, bridged, adjustable output level, 15/10 watts (peak/RMS) continuous power with 4 ohm load

Controls	Set-up Controls Front Panel (Behind Security Cover)	Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control
	User Contols	Volume, channel UP/DOWN, SEEK (all controls except volume are lockable)
	Set-up Contors Rear Panel	Audio output select (RX Only, RX + AUX, RX or AUX), Speaker (Output, Aux), switchable balanced output level
	Remote Controls	Eight (8) position detachable terminal block, channel up, channel down, mute
	Programming	Unit can be programmed so that only desired channels are displayed to the user, channel selection can be locked by holding the SEEK button 5 seconds.

Indicators	VU Meter	Four (4) LED (three green, one red)
	Power	Indicated by a green LED when on (front panel)
	RF Power	Indicated on the LCD (low, mid, high)
	LCD Display	Channel designation, lock status, RF power level, programming (front panel)
	Squelch	Green LED illuminates when the unit is squelched
	Mute	Green LED illuminates when the output audio is muted

Power	Power Supply Type	In line power supply, Listen part number LA-201
	Power Supply Input	Input: 120 VAC, 60 Hz, 19 Watts
	Power Supply Output	Output: 15 VAC, 1 Amp
	Power Supply Connector	Output Connector: .02 in (5.0 mm) OD, .01 in. (2.5 mm) ID, barrel type
	Power Supply Compliance	UL Listed
	Optional Battery	12VDC, connected via terminal block
	Optional Battery Charging	Trickle charge of optional 12VDC battery through terminal block connection

Physical	Dimensions (H x W x D)	1.75 x 8.50 x 9.13 in. (4.5 x 21.5 x 23 cm)
	Color	Dark Grey with white silk screening
	Unit Weight	2.8 lbs. (1.3 kg)
	Unit Weight with LA-201 Power Supply	4.2 lbs. (1.9 kg)
	Shipping Weight	5.6 lbs. (2.5 kg)
	Rack Mounting	One (1) rack space height, 1/2 rack space wide, one (1) or two (2) receivers can be mounted in one rack space, optional rack mount (LA-326)

Environmental	Temperature - Operation	-10 ºC (14 ºF) to +40 ºC (104 ºF)
	Temperature - Storage	-20 ºC (-4 ºF) to +50 ºC (122 ºF)
	Humidity	0 to 95% Relative Humidity, non condensing

Specifications are subject to change without notification

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Listen LR-100-072 Stationary FM Receiver/Power Amplifier (72 MHz)

Listen LR-100-072 Stationary FM Receiver/Power Amplifier (72 MHz)

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