Listen Technologies MH-800-072-01 Meeting House Transmitter

Vendor: Listen Technologies
Listen Technologies MH-800-072-01 Meeting House Transmitter The Listen Technologies' MH-800-072-01 Meeting House Transmitter is an LT-800-072-01 with customized settings. The MH-800 may be utilized in many different applications and has excellent audio quality....
$829.00 $951.00
Title

Listen Technologies MH-800-072-01 Meeting House Transmitter

The Listen Technologies' MH-800-072-01 Meeting House Transmitter is an LT-800-072-01 with customized settings. The MH-800 may be utilized in many different applications and has excellent audio quality. To transmit a high-quality audio signal throughout receivers distributed to the meeting house audience, the MH-800 is connected to the main audio system. The end result is hearing loss audience members can hear and understand the message better because they have their own receiver and headset. The signature Look & Listen™ LCD shows channel, lock, programming and RF power.

Highlights:

  • Superior audio quality – setting the industry’s sound quality standard
  • 57 channels
  • 100% Digital – Listen transmitters are digitally-tuned so the transmission won’t drift
  • Use up to six (6) simultaneously on 72 MHz
  • Look & Listen™ LCD shows channel, channel lock, and programming information
  • Balanced/Unbalanced Inputs – you can interface with any audio source on the market
  • Designed for installation – rack mountable with optional remote antennas make installation easy and service reliable
  • Auto Processor – to condition the audio for voice/music prior to transmission
  • VU level meter and test tone – simply makes the installation easier to set-up
  • Many accessory options make Listen products ideal for a wide range of applications

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, -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 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 1,500 ft. (457 m)
Antenna Connector BNC
Output Power 80,000 uV at 3 m
Number of Simultaneous Transmitters 6

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 8.50 in. (21.5 cm)
Height 1.75 in. (4.5 cm)
Depth 9.13 in. (23 cm)
Color Dark Grey with white silk screening
Unit Weight with Power Supply 3.5 lbs. (1.6 kg)
Shipping Weight 6.0 lbs. (2.7 kg)
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 2.6 lbs. (1.2 kg)