Samson AirLine 77 Wind Instrument True Diversity UHF Wireless System (Channel K2)

Samson AirLine 77 Wind Instrument UHF Wireless System (K2: 490.975 MHz)

Receiver: Frequency K2: 490.975 MHz Receiver: Oscillation Type PLL Receiver: De-Emphasis 50 ms Receiver: IF Frequency 10.7 MHz Receiver: Antennas 1/4 wavelength rod Receiver: In/Out DC inlet XLR balanced output 1/4" (6.3 mm) unbalanced output Receiver: LED Display Receiver A/B (green), power on (red), AF level (6 segment), RF level (6 segment) Receiver: Level Control Audio level volume, squelch level control Receiver: Operating Temperature 32 to 122 deg. F (0 to 50 deg. C) Receiver: Operating Voltage 12 VDC +/-10% Receiver: Current Consumption 160 mA (all LED lights illuminated) Receiver: Sensitivity 18 dBm ( at THD 2%) Receiver: Squelch Sensitivity: 0 to 40 dBm (adjustable) Receiver: Selectivity +/-150 kHz (AF Out ratio -60 dB) Receiver: Total Harmonic Distortion 1% max ( at AF 1 kHz, RF 46 dBu) Receiver: Signal to Noise Ratio 90 dB (with IHF-A filter) Receiver: Residual Noise 90 dBv (with IHF-A filter) Receiver: AF Frequency Response 50 Hz to 15 kHz (+/-3 dB overall) Receiver: Audio Output Level Unbalanced: 0 dBv Balanced (slide switch selectable): -20 dBm (line), -40 dBm (mic) Receiver: Audio Output Impedance Unbalanced: 5 kOhms Balanced: 600 Ohms Transmitter: Operating Power 1.5 V typical, 1.05 V minimum, 2 V maximum Transmitter: Current Consumption 60 mA typical Transmitter: Battery Life 14 hours (AAA size battery) Transmitter: RF Output Power 5 mW (-4 dB minimum, +3 dB maximum) Transmitter: Frequency Stability -40 kHz minimum, 40 kHz maximum Transmitter: Spurious 1 MuW Transmitter: Modulation 13 kHz minimum, 15 kHz typical, 17 kHz maximum, input 1 kHz-20 dBv Transmitter: Input Impedance Microphone: 2 kOhms Transmitter: Total Harmonic Distortion <2% (1 kHz deviation 15 kHz) Transmitter: Audio Frequency Response 50 Hz to 15 kHz (+/-3.5 dB) Transmitter: Controls Power switch, mute switch volume Transmitter: Input 2.5mm Stereo Jack Transmitter: Indicators Power on (LED flash), low battery (LED on)