Listen Technologies LT-800-072-P1 Stationary FM Transmitter

Listen Technologies LT-800-072-P1 Stationary FM Transmitter

Offering outstanding audio clarity, digital signal strength, and 57 selectable channels, the LT-800 is 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.

Key Features

• 100% digital signal transmission across up to six (6) channels simultaneously
• Look & Listen (TM) LCD display for quick channel, programming, and channel lock status information
• Balanced and unbalanced audio inputs allow for use with any audio source
• Built-in auto processor optimizes audio (voice or music) prior to transmission
• 57 available, selectable channels
• VU level meter and test tone for simple installation and set up
• 30-day, no-obligation demonstration available for your venue or business
• Backed by Listen Technologies’ limited lifetime warranty and hassle-free support

Technical Specifications

AUDIO
Frequency Response
50 Hz - 15 kHz (±3 dB)
Signal-to-Noise Ratio
SQ enabled 80 dB, SQ disabled 60 dB
Audio Input 1
Rear panel, one (1) Female XLR or 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC
Audio Input 2
Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm
Audio Processing
Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1
Contour
Cuts and boosts frequencies above 5 kHz
Distortion
< 2% total harmonic distortion (THD) at 80% deviation
Audio Output
Input 1 and input 2, mixed output (rear panel), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm
Headphone Output
Front panel, one (1) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm
CONTROLS
User Controls Front Panel
Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume controlRear Panel
Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high)
Internal Adjustments
Compression ratio for audio processor
Programming
SQ on/off, process on/off, channel lock
INDICATORS
LCD
Channel designation, lock status, RF power level, programming (front panel)
Audio Input Status LEDs
Indicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red)
Processing
Indicated by a green LED when on (front panel)
Test Tone
Red LED illuminates when test tone is enabled.
RF Power
Indicated on the LCD (low, mid, high)
RF
Frequency Range
72.025 - 75.950 MHz
Number of Channels
17 wide band, 40 narrow band
Frequency Accuracy
± .005% stability +32º to +122 ºF (0º to +50 ºC)
Antenna Type
Various antennas available
Transmitter Stability
50 PPM
Transmission Range
Up to 305 m (1,000 ft.)
Antenna Connector
BNC
Output Power
80,000 uV at 3 m
Number of Simultaneous Transmitters
6
POWER
Power Supply
In line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards)
Power Supply Input
100-240 VAC, 50-60 Hz, 0.4 A
Power Supply Output
12 VDC, 1.3 A, 15.6 W
Power Supply Connector
0.02 in (5.0 mm) OD, 0.01 in. (2.5 mm) ID, barrel type
Compliance
UL, CE, GS, TUV, RoHS
PHYSICAL
Width
21.5 cm (8.50 in.)
Height
4.5 cm (1.75 in.)
Depth
23 cm (9.13 in.)
Color
Dark Grey with white silk screening
Unit Weight with Power Supply
1.6 kg (3.5 lbs.)
Shipping Weight
2.7 kg (6.0 lbs.)
Rack Mounting
One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space, optional rack mount (LA-326)
Weight
1.2 kg (2.6 lbs.)
Item Includes
One (1) LT-800 Stationary RF Transmitter (72 MHz)
One (1) LA-207 Power Supply for LT-800
One (1) Line Cord
One (1) Quick reference card
One (1) LA-106 Telescoping Top Mounted Antenna (72 MHz)
One (1) LA-304 Assistive Listening Notification Signage Kit