Listen Technologies LT-803-072-01 Stationary 3-Channel RF Transmitter - 72 MHz

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The Listen Technologies LT-803-072 Stationary 3-Channel RF Transmitter can be used for assistive listening in a variety of venues. The transmitter offers universal inputs ensuring your ability to interface with any audio source i.e. mixer, microphone, MP3 player, or CD. The signature Look & Listen™ LCD shows channel, lock, and RF power. The LT-803-072 comes with a power supply (LA-207).

Listen Technologies LT-803-072 - Features:

• Economical price - backed by Listen's exceptional service and support
• Three (3) channels - makes it simple to install, manage and use
• 100% Digital - Listen transmitters are digitally-tuned so the transmission won't drift
• Limited Lifetime Warranty
• Look & Listen™ LCD shows channel, channel lock, and signal strength
• Reliable clear sound quality - 62 dB Signal-to-noise ratio (SNR)
• Balanced/Unbalanced Inputs - you can interface with any audio source on the market
• Designed for installation - rack mountable with optional remote antennas and rack mount kit make installation easy and service reliable
• Auto Processor - to condition the audio for voice/music prior to transmission

Package Includes:

• (1) LT-803-072 Stationary 3-Channel RF Transmitter
• (1) Power supply
• (1) Quick reference card

• Audio:
  • Frequency Response: 50 Hz - 15 kHz (±3 dB)
  • Signal-to-Noise Ratio: 62 dB (A-Weighted)
  • Distortion: < 2% total harmonic distortion (THD) at 80% deviation
  • Audio Input 1: Rear panel, one (1) Female XLR and 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
  • 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 control Rear 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: Process on/off, channel lock
• Indicators:
  • 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)
  • RF Power: Indicated on the LCD (low, mid, high)
  • LCD: Channel Designation, lock status, RF power level (front panel)
  • Test Tone: Red LED illuminates when test tone is enabled.
• RF:
  • Antenna Connector: BNC
  • Frequency Range: (A) 72.100, (E) 72.900, (H) 75.900
  • Number of Channels: 3 wide band
  • Frequency Accuracy: ± .005% stability 32 to 122° (0 to 50°C)
  • Transmitter Stability: 50 PPM
  • Transmission Range: Up to 1,500 ft. (457.20 m)
  • Output Power: 80,000 uV at 3 m
  • Antenna Type: Various antennas available
• Power:
  • Power Supply: In line power supply, Listen part number LA-207 (Line cord is determined by 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
• Environmental:
  • Temperature:
    • Operation: -10° to +40° C | 14° to 104° F
    • Storage: -20° to +50° C | -4° to 122° F
  • Relative Humidity: 0 to 95% relative humidity, non-condensing
• Physical:
  • Color: Dark Gray with white silk screening
  • Rack Mounting: One (1) rack space height, 1/2 rack space wide. One or two transmitters can be mounted in one rack space, optional rack mount (LA-326)
  • Dimensions (H x W x D): 1.75 x 8.5 x 9.13 in | 4.5 x 21.5 x 23 cm
  • Weight:
    • With Power Supply: 4.5 lbs | 2.0 kg
    • Without Power Supply: 2.6 lbs | 1.2 kg