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Listen Technologies LR-500-72 Portable Programmable Display RF Receiver (72 MHz)(Listen Technologies Lr 500 72 Portable Programmable Display Rf Receiver 72 Mhz)

Original price was: $205.26.Current price is: $96.99.

SKU: DGFUB 6897636048981 Categories: Assistive Listening, Audio Visual Presentation, Computer & Presentation Tags: Assistive Listening, Audio Visual Presentation, Components Accessories, Listen Technologies LR-500-072

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Description
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Listen Technologies LR-500-072 Overview

The LR-500-72 Portable Programmable Display RF Receiver from Listen Technologies is a 72 MHz digital audio receiver for use with assistive listening systems. The unit works with the LT-700 and LT-800 transmitters and can supply audio to mono or stereo headphones (headphones and transmitters available separately).

This multichannel receiver has a Look & Listen LCD screen that shows programming status, channel, lock, battery level, and RF signal strength. Channel selector summarys are located on the front of the unit. It has channel seek capability and is powered by AA batteries. The LR-500 will run for up to 30 hours on alkaline batteries and 15 hours on NiMH rechargeable batteries.

80 dB signal-to-noise ratio with SQ enabled (SNR)

17 wideband or 40 narrowband operating channels available for reception

Unneeded channels can be locked so the receiver will access only one or more channels of your choice

Receiver is digitally tuned so the transmission won’t drift

Uses standard alkaline or rechargeable NiMH batteries

Built in SmartCharge won’t allow batteries to overcharge

Used with LT-700 and LT-800 transmitters

UPC: 819267022317

Listen Technologies LR-500-072 Specs

RF Specification

RF Frequency Range	72.025 to 75.95 MHz
Number of Channels	17 Wideband, 40 Narrowband
Sensitivity	0.6 uV Typical, 1 uV Maximum for 12 dB SINAD
Frequency Accuracy	±0.005% Stability (32 to 122°F / 0 to 50°C)
Antenna Type	Uses Earphone Cable
Squelch	Programmable in 20 Steps, Automatic on Loss of RF Signal

Audio

Frequency Response	System: 50 Hz to 15 kHz (±3 dB)
Signal to Noise Ratio	SQ Enabled: 80 dB SQ Disabled: 60 dB
System Distortion	<2% Total Harmonic Distortion (THD) at 80% Deviation
Audio Output Jack	3.5 mm Female, Unbalanced, 0 dBu Nominal Output Level, 16 mW Maximum, 32 Ohms

Controls

User Controls	Channel Up/Down, SEEK, Volume, SQ Enable/Disable
Programming	Channel Lock, Squelch, Channel Lock Out

Indicators

LEDs	Red, Illuminated When Unit Is On, Flashes When Batteries Are Low or to Indicate Charging, Flashes When Locked and SEEK Is Pushed
LCD	Channel Designation, Lock Status, Signal Strength Indication, Programming

Power

Battery Type	2 x AA Batteries, Alkaline or NiMH
Battery Life	30 Hours Alkaline, 15 Hours NiMH Rechargeable
Battery Charging Time	Fully Automatic, 13 Hours
Power Supply	Input: 120 VAC Output: 7.5 VDC, 250 mA Drop-In Contact Points For Use With Charging Cases
Power Supply Connector	OD x ID: 0.09 x 0.02″ / 2.3 x 0.7 mm Barrel Type Connector 7.5 VDC Center Positive <250 mA Drop-In Contact Points For Use With Listen Charging Cases
Compliance	RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB

Environmental

Operation Temperature	14 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

Compliance and Approvals

RF	FCC Part 15, Industry Canada

Physical

Color	Dark Gray with White Silk Screening
Doors	Manually Lockable, Up, Down, and Power Buttons Through Door, and Other Controls Behind Door
Dimensions	3 x 5 x 1″ / 7.6 x 13 x 2.5 cm
Weight	Unit: 3.9 oz / 111 g Unit with Batteries: 5.8 oz / 164 g

Packaging Info

Package Weight	0.415 lb
Box Dimensions (LxWxH)	6.05 x 4.4 x 2.05″

Listen Technologies LR-500-072 Reviews

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