For businesses or venues requiring anywhere from one to three channels of assistive listening audio, the LT-803-072 Stationary 3-Channel RF Transmitter is an excellent choice. Universal inputs allow for the use of nearly any audio source including mixers, micrphones, MP3 players, and more, and our signature Look & Listen (TM) LCD display provides immediate information about channel, lock, and RF power. The LT-803-072 also includes a power supply making it easy to set up and start using right away.
Listen Technologies LT-803-072-01 Features
- Affordable, feature-packed transmitter option for basic assistive listening systems
- Three-channel design makes it simple to install, manage, and use
- 100% digital audio transmission for solid, reliable signal
- Look & Listen LCD display
- Works with any audio source on the market
- 30-day, no-obligation demonstration available for your venue
- Compatible with a wide range of Listen Technologies accessories
- LT-803-072-01 Stationary 3-Channel RF Transmitter1
- Audio
- Frequency Response: 50 Hz - 15 kHz (±3 dB)
- Signal-to-Noise Ratio: 62 dB (A-Weighted)
- 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
- 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: Process on/off, channel lock
- Indicators
- LCD: Channel Designation, lock status, RF power level (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: (A) 72.100, (E) 72.900, (H) 75.900
- Number of Channels: 3 wide band
- Frequency Accuracy: ± .005% stability 0 to 50ºC (32 to 122º)
- Antenna Type: Various antennas available
- Transmitter Stability: 50 PPM
- Transmission Range: Up to 305 m (1,000 ft.)
- Antenna Connector: BNC, 50 Ohms (Use RG-58 < 100 ft or RG-8 > 100ft)
- Output Power: 80,000 uV at 3 m
- 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: 5.0 mm (0.02 in.) OD, 2.5 mm (0.01 in.) ID, barrel type
- Compliance: UL, CE, GS, TÜV, 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: 2 kg (4.5 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.)
- Environmental
- Temperature - Operation: -10 ºC (14 ºF) to +40 ºC (104 ºF)
- Temperature - Storage: -20 ºC (-4 ºF) to +50 ºC (122 ºF)
- Relative Humidity: 0 to 95% relative humidity, non condensing
- ComplianceRF: FCC Part 15, Part 90, Industry Canada
