| { "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 control", "Rear 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 +32° to +122 °F (0° to +50 °C)", "Antenna Type" : "Various antennas available", "Transmitter Stability" : "50 PPM", "Transmission Range" : "Up to 305 m (1,000 ft.)", "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" : "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" : "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 °C (14 °F) to +40 °C (104 °F)", "Temperature - Storage" : "-20 °C (-4 °F) to +50 °C (122 °F)", "Relative Humidity" : "0 to 95% relative humidity, non condensing" }, "Compliance" : { "Safety" : "RoHS", "RF" : "FCC Part 15, Part 90, Industry Canada" } } |