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Portable Display RF Transmitter (72 MHz)
Series: FM
Model: LT-700-072
- Highlights
- Superior Audio Quality -- 80 dB signal-to-noise ratio, setting the industry's sound quality standard.
- A choice between 57 channels, complete antenna and accessory options make Listen products ideal for a wide range of applications.
- Look & Listen: LCD shows channel, battery status, and programming information.
- 100 % Digital -- Listen receivers are digitally-tuned so transmission won't drift; assurance that when you select a channel, it stays on the channel.
Product Info
Tech Specs
Documents
The Listen LT-700 Portable Display RF Transmitter is used to wirelessly broadcast audio for a variety of portable applications. Whether its voice or music, you can broadcast your audio to everyone in the audience without having to carry a microphone or be plugged into a wall. The LT-700 is excellent for factory tours, outdoor events, wireless microphone applications, classrooms, training, or personal use - anywhere you need to amplify sound, but don't have (or want) an installed system. With the many features of the LT-700, portable transmission has never been easier for users!
Includes
LT-700 Portable Display RF Transmitter
Owner's manual (72 MHz and 216 MHz)
Owner's manual (72 MHz and 216 MHz)
- Highlights
- Superior Audio Quality -- 80 dB signal-to-noise ratio, setting the industry's sound quality standard.
- A choice between 57 channels, complete antenna and accessory options make Listen products ideal for a wide range of applications.
- Look & Listen: LCD shows channel, battery status, and programming information.
- 100 % Digital -- Listen receivers are digitally-tuned so transmission won't drift; assurance that when you select a channel, it stays on the channel.
- Transmit up to six (6) channels simultaneously on 72 MHz, (3) three on 216 MHz.
- Uses standard alkaline or NiMH batteries.
- Transformer charging plug or drop in charging contacts.
- Built in SmartCharge: won't allow batteries to overcharge. Charging circuitry is conveniently built into Listen's LT-700 Transmitter; never worry about unplugging a transformer at a certain time.
- Mute switch.
- Mic and/or line level inputs.
- Limited Lifetime Warranty with hassle-free support.
- Wireless Receiver Transmission - RF
- Wireless - Yes
- RF Frequency Range 72MHz: 72.025 - 75.975 MHz
- RF Frequency Range 216MHz: 216.025 - 216.987 MHz
- Number of Channels: 57
- Frequency Accuracy: .005 % stability 0 to 50 degrees C (32 to 122 degrees F)
- Transmitter Stability: 50 ppm
- Transmission Range: 150 (45.7) feet (m) 72 and 216MHz have the same range
- Output Power 72MHZ: 8,000 uV At 3m (20mW)
- Output Power 216MHz: 100 mW Maximum allowed by the FCC
- Antenna: Uses microphone cable
- Antenna Connector: 3.5 mm
- Compliance: FCC Part 15, Industry Canada
- Frequency Response: 50 - 15,000 Hz (+/-3dB). All system specifications are end-to-end .
- System Frequency Response 216MHz: 63- 10,000 Hz (+/-3dB). All system specifications are end-to-end .
- System Signal to Noise Ratio 72MHz: 80 dB SQ enabled, A-weighted. SQ disabled: 60dB in 72MHz and 50dB in 216MHz. All system specifications are end-to-end .
- System Distortion: <2 % Total harmonic distortion (THD) at 80% deviation. All system specifications are end-to-end
- connector type: 3.5 mm unbalanced
- Outputs: 16 mW Maximum. 0dBu nominal output level, impedance 32 Ohms
- Microphone Input Connector: 3.5 mm Unbalanced, tip.
- Microphone Input: 55 / -32 dBu Nominal / maximum.
- Microphone Impedance: 21 ohms
- Microphone Sensitivity: Three position switch: high, middle and low; 6dB increments
- Line Input Connector: 3.5 mm Unbalanced, ring.
- Line input: -10 / +4 dBu Nominal / maximum.
- Line Input Impedance: 10 k ohms
- Phantom Power: 3 VDC
- Set-up Controls, behind the door: Mic sensitivity, NiMH/alkaline battery, SQ enable/disable
- User Controls: Power, mute, channel UP and DOWN
- Programming: Unit can be programmed so that only desired channels are displayed to the user; channel selection can be locked by holding the DOWN button 5 seconds.
- LED: Red, illuminates when unit is on. Flashes when batteries are low, or to indicate charging. Flashes 2x when muted
- LCD Display: Channel, lock status, programming
- Battery Type: Two AA batteries, alkaline or NiMH
- Battery Life (Listen batteries): 20 / 10 hours alkaline (LA-361) / 15 NiMH rechargeable (LA-362)
- Battery Charging (NiMH only): 14 hours Fully automatic
- Power supply connector: 2.3x 0.7 mm OD x ID, barrel type connector. Center positive. Drop in contact points for use with Listen charging/carrying cases.
- Power Supply Output: 7.5, <250mA VDC, mA
- Compliance: UL Listed
- Dimensions: 3.0 x 1.0 x 5.0 (7.6 x 2.5 x 13.0) in (cm) Width, depth, height
- Unit Weight: 3.9 (111) oz (g)
- Unit Weight with batteries: 5.8 (164.4) oz (g)
- Shipping Weight: 1.0 (453.6) lbs (kg)
- Door: Manually lockable. UP, DOWN and power through door, other controls behind door (see Controls above)
- Temperature - Operation: -10 to 40 (14 to 104) degrees C ( degrees F)
- Temperature - Storage: -20 to 50 (-4 to 122) degrees C ( degrees F)
- Humidity: 0 to 95 % relative humidity, non-condensing
- Minimum Frequency Response (Bandwidth): 50 Hz
- Maximum Frequency Response (Bandwidth): 15 kHz
- Regulatory Compliance: UL Listed
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Contact InSight Systems Group Pty Ltd
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InSight Systems Group Pty Ltd
8/170 Rooks Road
Vermont, Victoria 3133
Australia
1300 369 451
www.insightsystems.com.au
Contact in regards to this product:
Listen Technologies Corp.
Model: LT-700-072
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