Listen Technologies LT-800-072-01 57 Ch Stationary RF Transmitter 72 MHz Offering outstanding audio clarity 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. Antenna not included. Includes: One (1) LT-800 Stationary RF Transmitter (72 MHz) One (1) LA-207 Power Supply for LT-800 One (1) Quick reference card Features: 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 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, +21 / -30 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, 50 Ohms (Use RG-58 100 ft or RG-8 100ft) Output Power: 80,000 uV at 3 m Number of Simultaneous Transmitters: Up to 8 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, TÜV, RoHS Physical Width: 21.5 cm (8.50 in.) Height: 4.5 cm (1.75 in.) Depth: 23 cm (9.13 in.) Color: Black with grey 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.) 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 Compliance Safety RoHS RF: FCC Part 15, Part 90, Industry Canada