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

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

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

B&H # SASW7AVSW4K2 MFR # SW7AVSW4-K2
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Expected availability: 3-7 business days

Product Highlights

  • HM40 Wind Microphone
  • CR77 UHF Diversity Receiver
  • 14 Hours with AAA Battery
  • XLR and 1/4" Phone Outputs
  • PLL Synthesized Tuning
  • Frequency K2: 490.975 MHz
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Frequency Band: 490.975

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490.975 492.425

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Promotion
  • 1Description

The Samson Airline 77 Wireless Wind Instrument Microphone System features the AH1 transmitter, HM40 wind instrument microphone, and CR77 true-diversity UHF receiver with 1/4" phone and XLR output connections. The system provides horn players true wireless freedom during performances, without beltpacks or cables. The HM40 microphone attaches to the bell of horns and reproduces audio with pristine clarity and accuracy.

Up to 14 hours of continuous operation is achieved on 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.

True diversity UHF wireless wind instrument system with PLL frequency control
CR77 receiver features multi-segment audio level and RF level LED meters, Squelch and volume control, XLR and unbalanced 1/4-inch outputs with mic/line level output switch
AH1 headset transmitter features power/battery LED, power switch and mute switch
HM40 condenser horn microphone employs cardioid pickup pattern
Horn bell clamp included for easy attachment of entire AH1/HM40 assembly to horn
AC adapter and 1/4-inch to 1/4-inch cable included
In the Box
Samson AirLine 77 Wind Instrument True Diversity UHF Wireless System (K2: 490.975 MHz)
  • CR77 UHF Diversity Receiver
  • AH1 Transmitter / HM40 Horn Mic
  • Horn Bell Clamp
  • AC Power Supply
  • 1/4" to 1/4" Phone Cable
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Receiver
    Receiving Frequency K2: 490.975 MHz
    Oscillation Type PLL
    De-Emphasis 50 ms
    IF Frequency 10.7 MHz
    Antennas 1/4 wavelength rod
    In/Out DC inlet
    XLR balanced output
    1/4" (6.3 mm) unbalanced output
    LED Display Receiver A/B (green), power on (red), AF level (6 segment), RF level (6 segment)
    Level Control Audio level volume, squelch level control
    Operating Temperature 32 to 122°F (0 to 50°C)
    Operating Voltage 12 VDC ±10%
    Current Consumption 160 mA (all LED lights illuminated)
    Sensitivity 18 dBm (@ THD 2%)
    Squelch Sensitivity: 0 to 40 dBm (adjustable)
    Selectivity ±150 kHz (AF Out ratio -60 dB)
    Total Harmonic Distortion (THD) 1% max (@ AF 1 kHz, RF 46 dBu)
    Signal to Noise Ratio 90 dB (with IHF-A filter)
    Residual Noise 90 dBv (with IHF-A filter)
    AF Frequency Response 50 Hz to 15 kHz (±3 dB overall)
    Audio Output Level Unbalanced: 0 dBv
    Balanced (slide switch selectable): -20 dBm (line), -40 dBm (mic)
    Audio Output Impedance Unbalanced: 5 kOhms
    Balanced: 600 Ohms
    Transmitter
    Operating Power 1.5 V typical, 1.05 V minimum, 2 V maximum
    Current Consumption 60 mA typical
    Battery Life 14 hours (AAA size battery)
    RF Output Power 5 mW (-4 dB minimum, +3 dB maximum)
    Frequency Stability -40 kHz minimum, 40 kHz maximum
    Spurious 1 µW
    Modulation 13 kHz minimum, 15 kHz typical, 17 kHz maximum, input 1 kHz-20 dBv
    Input Impedance Microphone: 2 kOhms
    Total Harmonic Distortion (THD) <2% (1 kHz deviation 15 kHz)
    Audio Frequency Response 50 Hz to 15 kHz (±3.5 dB)
    Controls Power switch, mute switch volume
    Input 2.5mm Stereo Jack
    Indicators Power on (LED flash), low battery (LED on)
    Dimensions Not specified by manufacturer
    Weight Not specified by manufacturer
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