Listen Tech LT-800-072-01 Stationary RF Transmitter (72 MHz)

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Listen Tech LT-800-072-01 Stationary RF Transmitter (72 MHz)

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Listen Tech LT-800-072-01 Stationary RF Transmitter (72 MHz)

Part # LT-800-072-01

Model # LT-800

The Listen Technologies LT-800 offers outstanding audio clarity, digital signal strength, and 57 selectable channels, making it a perfect RF transmitter choice for a wide range of applications. Ideal for providing listeners with the best possible assistive listening experience.

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Description

Details

Listen Technologies LT-800 72 MHz Transmitter with 17 Wide Band and 40 Narrow Band Channels

The Listen Technologies LT-800 offers outstanding audio clarity, digital signal strength, and 57 selectable channels, making it a perfect RF transmitter choice for a wide range of applications.

Connected to your main audio system, the LT-800 broadcasts strong, reliable audio to both belt pack receivers and stationary receivers, ideal for providing listeners with the best possible assistive listening experience. The end result – your audience can hear and understand the presentation better because of improved speaker placement or because they have their own belt pack and headset.

The LT-800 features Look and Listen LCD display for quick channel, programming, and channel lock status information, while balanced and unbalanced inputs allow you to connect with a variety of audio sources. It also features a built-in auto processor that optimizes audio (voice or music) prior to transmission. The VU level meter and test tone allow for simple installation and set up.

Features

Features

Superior audio quality - 80 dB signal-to-noise ratio (SNR), setting the industry's sound quality standard
57 selectable channels
100% Digital - Listen transmitters are digitally-tuned so the transmission won't drift
Look and Listen LCD shows channel, channel lock, and programming information
Balanced and unbalanced audio inputs allow for use with any audio source
Rack mountable with optional remote antennas make installation easy and service reliable
Auto Processor - to condition the audio for voice/music prior to transmission
VU level meter and test tone - simply makes the installation easier to set-up
Many accessory options make Listen products ideal for a wide range of applications

Specification

RF
RF Frequency Range (72 MHz)	72.025 - 75.950 MHz
Number of Channels (72 MHz)	57 (17 wide, 40 narrow)
Frequency Accuracy (72 MHz / 216 MHz)	+/- .005% stability 0 to 50C
Transmitter Stability (72 MHz / 216 MHz)	50 PPM
Output Power (72 MHz)	8,000uV at 3 m
Antenna Cable (72 MHz / 216 MHz)	RF-58 or RG-8 coaxial cable
Antenna Connector (72 MHz)	Reverse BNC
Audio
System Frequency Response (72 MHz)	50 Hz - 15 kHz (±3dB)
System Signal to Noise Ratio (A-weighted) (72 MHz)	SQ enabled: 80 dB; SQ disabled 60 dB
System Distortion (72 MHz)	<2% total harmonic distortion (THD) at 80%
Audio Input 1 (72 MHz / 216 MHz)	Rear panel. Female-XLR and 1/4 in combo connector, balanced,0/-55 dBu nominal input level adjustable
Audio Input 2 (72 MHz / 216 MHz)	Rear panel. (2) Phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu max
Controls
Front Panel	Power, Test Tone on/off, Channel up/down, Input Level, Mix Level, Contour, Headset Level
Rear Panel	Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu), RF Power (low, mid, high)
Internal Adjustments	Compression ratio for audio processor
Programming	SQ on/off, Processing on/off
Indicators
Input 1 and Input 2, Mix VU	8 Green, 2 Red
SQ and Processing	Indicated by a green LED when on
RF Power	Indicated on the LCD Display
Power	Red LED illuminates when the unit is powered up
LCD Display	Channel designation, lock status, RF Power Level, programming
Test Tone	Red LED illuminates when test tone enabled
Power
Power Supply Input	120VAC, 60 Hz, 19 watts
Power Supply Output	15VAC, 1000mA
Power Supply Connector	.02 in. (5.0 mm) OD x .01 in. (2.5 mm) ID, barrel type
Environmental
Temperature - Operation	-10 C (14 F) to +40° (104 F)
Temperature - Storage	-20 C (-4 F) to +50° (122 F)
Humidity	0 to 95% relative humidity, non-condensing
Physical
Dimensions (H x W x D)	1.75" (45 mm) x 8.50" (216 mm) x 9.12" (232 mm)
Unit Weight	3 lbs (1.4 kg)
Unit Weight (with LA-201 Power Supply)	4.4 lbs (2 kg)
Shipping Weight	6 lbs (2.72 kg)

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