Samson AirLine 77 Vocal Head Worn Wireless Microphone System, Frequency N3 - 644.125 MHz

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About this item

The Samson AirLine 77 Vocal Head Worn Wireless Microphone System (Frequency N3- 644.125 MHz) features the QV10e head worn vocal microphone transmitter and CR77 true-diversity UHF receiver with 1/4" phone and XLR output connections. The QV10e head worn microphone features a built-in transmitter, wrap-around headband and unidirectional polar pattern.

Up to 14 hours of continuous operation is achieved on just a single AAA battery. The CR77 true-diversity receiver is the heart of the Airline 77 series and features PLL synthesized tuning, true diversity reception, dual antennas, XLR and 1/4" phone output connectors, RF level LED meters and a large output volume control dial.

What's Included With This Item

  • Samson CR77 UHF Diversity Receiver
  • QV10e Vocal Head-Worn Microphone Transmitter
  • AC Power Supply
  • 1/4" to 1/4" Phone Cable
  • Samson 1 Year Limited Warranty

Key Features

  • XLR and unbalanced 1/4-inch outputs with mic/line level output switch
  • Headset transmitter features power/battery LED, power switch and mute switch
  • Headset condenser mic is sweat resistant and employs unidirectional cardioid pickup pattern for great sound
  • True diversity UHF wireless headset system with PLL frequency control
  • CR77 receiver features multi-segment audio level and RF level LED meters Squelch and volume control

Technical Specs

Frequency Range Frequency N3- 644.125 MHz
Transmitter AH1: Operating Power Voltage 1.5V Typical, 1.05V Minimum, 2V Maximum
Transmitter AH1: Current Consumption 60mA Typical
Transmitter AH1: Battery Life 14 Hours (AAA size battery)
Transmitter AH1: RF Output Power (5mW) -4dB Minimum, +3dB Maximum
Transmitter AH1: Frequency Stability -40kHz Minimum, 40kHz Maximum
Transmitter AH1: Spurious 1uW
Transmitter AH1: Modulation Factor 13kHz Minimum, 15kHz Typical, 17kHz Maximum, Input 1kHz-20dBv
Transmitter AH1: Input Impedance (Mic) 2K ohms
Transmitter AH1: THD < 2% (1 kHz deviation 15kHz)
Transmitter AH1: Audio Freq. Response 50Hz - 15kHz (±3.5 dB)
Transmitter AH1: Controls Power Switch, Mute Switch Volume
Transmitter AH1: Input 2.5mm Stereo Jack
Transmitter AH1: Indicators Power On (LED Flash), Low Battery (LED On
CR77 Receiver: Receiving Frequencies 801-806 MHz (U1-U6)
CR77 Receiver: Oscillation Type PLL
CR77 Receiver: De-emphasis 50 m/sec
CR77 Receiver: IF Frequency 10.7 MHz
CR77 Receiver: A/B Antennas 1/4 Wavelength Rod
CR77 Receiver: In/Out DC Inlet , Balanced Output, Unbalanced Output
CR77 Receiver: Display (LED) Receiver A/B (Green), Power On (Red), AF Level (6 segment), RF Level (6 segment)
CR77 Receiver: Level Control Audio Level Volume, Squelch Level Control
CR77 Receiver: Operating Temperature 0deg. C / 50deg. C
CR77 Receiver: Operating Voltage 12 Volts ±10%
CR77 Receiver: Current Consumption 160 mA (all LED lights illuminated)
CR77 Receiver: Receiving Frequency Range 801 - 805 MHz or 863 - 865 MHz
CR77 Receiver: Sensitivity 18 dBm ( at THD2%)
CR77 Receiver: Squelch Sensitivity 0 - 40 dBm (Adjustable)
CR77 Receiver: Selectivity ±150 kHz (AF Out Ratio -60 dB)
CR77 Receiver: T.H.D. (Overall) 1% Max ( at AF 1 kHz, RF 46 dBu)
CR77 Receiver: S/N Ratio (Overall) 90 dB (w/IHF-AFilter)
CR77 Receiver: Residual Noise 90 dBv (w/IHF-AFilter)
CR77 Receiver: Band Squelch ±40 kHz / ±100 kHz (RF IN: 46 dBu EMF)
Audio Output Level Unbalanced: 0 dBv
Balanced: -20 dBm (Line), -40 dBm (Mic) (slide switch selectable)
Audio Output Impedance Unbalanced: 5 k Ohms
Balanced: 600 Ohms
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