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Samson AIRLINE 77 Aerobics System on E2 Frequency (AH1/QE/CR77)

Product Code SASW7AVSCEK-E2
Manufacturer Samson

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Airline 77 Aerobics System - 863.625 Mhz

The original wireless microphone system that offers complete freedom of movement and great sound.

The AirLine 77 UHF Headset System offers a true wireless experience with no beltpacks and no cables, allowing complete freedom of mobility. The system includes the AH1 headset transmitter, along with the CR77 receiver.

The AirLine headset transmitters feature the Samson Qe Fitness and QV10e Vocal microphone elements. The Qe and QV10e headsets were designed to go around the back of your head rather than over the top. This allows the transmitter to be attached directly to the headband, out of the way and completely unobtrusive, while being comfortable and secure during performances or group fitness classes.

Both the Qe and the QV10e are designed with unidirectional microphones and cardioid pickup patterns that reject feedback. The Qe Fitness headset is ideal for group fitness instructors who need a durable headset that will remain in place despite repetitious movement. The QV10e Vocal headset has a microphone element that's perfect for singers who need hands free performance.

All of the AirLine transmitters operate on inexpensive and lightweight AAA batteries that offer 14 hours of operation on a single battery.

The core of the receiver system is the CR77 true-diversity half-rack UHF receiver. It works flawlessly with all AirLine UHF transmitters. Featuring a front panel display with large multi-segment audio level and RF level LED meters, and a large rotary volume knob that allows easy adjustment of audio output, the CR77 takes all of the guesswork out making your wireless system perform.

Its synthesized PLL frequency control circuitry keeps the signal locked and true while dual tuned molded antennas with LEDs monitor the true-diversity operation. The rear panel features balanced XLR and unbalanced 1/4-inch outputs allowing flexible connection options. In addition, two CR77 receivers can be rackmounted together in a single space rack adapter available as an added accessory.

With AirLine Wireless, you get complete wireless freedom that's good to go anywhere the music takes you.

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
  • AC adapter and 1/4-inch to 1/4-inch cable included


CR77 Receiver

Receiving Frequencies Europe 863-865 mHz (E1-E4)
Oscillation Type PLL
De-emphasis 50 msec
IF Frequency 10.7 MHz
A/B Antennas 1/4 Wavelength Rod
In/Out DC Inlet, Balanced Output, Unbalanced Output
Display (LED) 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 0° C / 50° C
Operating Voltage 12 Volts ±10%
Current Consumption 160 mA (all LED lights illuminated)
Receiving Frequency Range 863 – 865 MHz
Sensitivity 18 dBm (@ THD 2%)
Squelch Sensitivity 0 - 40 dBm (Adjustable)
Selectivity ±150 kHz (AF Out Ratio -60 dB)
T.H.D. (Overall) 1% Max (@AF 1 kHz, RF 46 dBu)
S/N Ratio (Overall) 90 dB (w/IHF-A Filter)
Residual Noise 90 dBv (w/IHF-A Filter)
Band Squelch ±40 kHz / ±100 kHz (RF IN: 46 dBu EMF)
AF Frequency Response 50 Hz - 15 kHz (±3 dB overall)
Audio Output Level Unbalanced 0 dBv
Audio Output Level Balanced (slide switch selectable) -20 dBm (Line), -40 dBm (Mic)
Audio Output Impedance Unbalanced 5 k Ohms
Audio Output Impedance Balanced 600 Ohms

Transmitter (AH1)

Operating Power Voltage 1.5V Typical, 1.05V Minimum, 2V Maximum
Current Consumption 60mA Typical
Battery Life 14 Hours (AAA size battery)
RF Output Power (5mW) -4dB Minimum, +3dB Maximum
Frequency Stability -40kHz Minimum, 40kHz Maximum
Spurious 1μW
Modulation Factor 13kHz Min 15kHz Typical, 17kHz Max, Input 1kHz-20dBv
Input Impedance (Mic) 2K ohms
THD < 2% (1 kHz deviation 15kHz)
Audio Frequency Response 50Hz - 15kHz (±3.5 dB)
Controls Power Switch, Mute Switch Volume
Input 2.5mm Stereo Jack
Indicators Power On (LED Flash), Low Battery (LED On

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