Samson AirLine 77 Fitness Head Worn Wireless Microphone System (Frequency K1: 489.500 MHz)

Samson AirLine 77 Fitness Head Worn Wireless Microphone System (Frequency K1: 489.500 MHz)

Samson AirLine 77 Fitness Head Worn Wireless Microphone System (Frequency K1: 489.500 MHz)

Used Cat.# 1876263 MFR # SW7AVSCE-K1

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Samson AirLine 77 Fitness Head Worn Wireless Microphone System (Frequency K1: 489.500 MHz)

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Used Condition: 9

Shows signs of use, but very clean

Additional Comments: W/O WINDSCREEN

  • QE Fitness Headset Transmitter
  • CR77 UHF Diversity Receiver
  • 14 Hours with AAA Battery
  • XLR and 1/4" Phone Outputs
  • PLL Synthesized Tuning
  • Frequency K1: 489.500 MHz
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Samson SW7AVSCE-K1 Overview

  • 1Description

The Samson Airline 77 Head Worn Wireless Microphone System features the QE head worn fitness microphone transmitter, and CR77 true-diversity UHF receiver with 1/4" phone and XLR output connections. The QE 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.

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
AC adapter and 1/4-inch to 1/4-inch cable included
Table of Contents
  • 1Description

Samson SW7AVSCE-K1 Specs

Receiving Frequency K1: 489.500 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
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

Samson SW7AVSCE-K1 Reviews

AirLine 77 Fitness Head Worn Wireless Microphone System (Frequency K1: 489.500 MHz) is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from This is my third Airline 77 I bought the new Samson Airline 77 wireless mike to replace a well-used 7 year old Airline 77. I really appreciate the BANDH associate explaining the new frequencies - the existing ones will no longer be used for consumer wireless microphones in about 3 years. He also told me where to get the supporting FCC information. The first Airline 77 became obsolete in about 2010 when FCC no longer allowed these mikes to operate on the current frequencies. The Airline 77 headset mikes are rugged and have never failed me - and and have served me well. BANDH has been my go-to source for camera and electronic equipment for many years and will remain so.
Date published: 2017-09-13
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