The Stationary RF Transmitter (72 MHz) offers outstanding audio clarity with 57 selectable channels, making it an ideal choice for various applications. This transmitter connects easily to your audio system, ensuring a reliable listening experience for all users.
$959.00
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The Stationary RF Transmitter (72 MHz) is designed to deliver exceptional audio clarity and versatility for a wide range of applications. Featuring 57 selectable channels, the LT-800 allows users to broadcast strong and reliable audio to both belt pack and stationary receivers. This capability ensures that listeners receive the best possible assistive listening experience in any environment.
Connecting the transmitter to your main audio system is straightforward, with balanced and unbalanced audio inputs available for compatibility with any audio source. The built-in auto processor enhances audio quality, optimizing both voice and music signals before transmission.
The unit features a user-friendly Look & Listen (TM) LCD display that provides quick access to channel programming and lock status information. Additionally, a VU level meter and test tone facilitate simple installation and setup, making it easier than ever to get started.
For venues or businesses interested in trying the system, a 30-day, no-obligation demonstration is available, allowing you to experience its benefits firsthand.
Quick Start Guides:
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 |
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