Samson AirLine 77 AH7 Headset Wireless System, K3 Band - Long & McQuade Music Educator Site
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Samson AirLine 77 AH7 Headset Wireless System, K3 Band

Departments > Pro Audio & Recording > Wireless > Mics - Wireless-Headset > Samson > AirLine 77 AH7 Headset Wireless System, K3 Band
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SKU: # 739883
Model: #



The Samson AirLine 77 AH7 Headset system is a wireless microphone solution designed to meet the specific demands of presenters, singers and other active performers. With the unique AH7 micro transmitter mounted to a low-profile DE10x headset microphone, you can free yourself completely from cables and beltpacks for a truly exhilarating and motivating experience.

Move Free
The AH7 micro transmitter is mounted directly on the headset. This is unique when compared to traditional systems that use a beltpack with a wire running from the microphone to the transmitter (not ideal for active performers). And the transmitter operates for up to eight hours on a single AAA battery.

The Right Mic for the Spotlight
The AH7 transmitter is attached to a low-profile, adjustable headset that fits comfortably around your ears and the back of your head, while going practically unnoticed from the audience. The headset features the Samson DE10x miniature condenser microphone, whose omnidirectional pickup pattern results in clear and articulate sound reproduction regardless of the position of the capsule relative to the sound source. This makes it ideal for capturing a wide variety of performances.

Sound Received
The CR77 True Diversity receiver provides reliable performance with up to 300 feet (90m) of wireless operation. Its half-rack housing is light enough to throw in your bag, or it can be permanently installed with a rackmount kit (sold separately). The rear panel features balanced XLR and unbalanced 1/4" outputs allowing flexible connection options.

• Up to 300' (90m) operating range (line-of-sight)
• AC adapter and 1/4" audio cable included
• Low-profile headset with mounted micro transmitter (no beltpack or cable required)
• Four windscreens included
• Up to eight hours of battery life using single AAA battery
• Power/Low battery LED indicator
• Internal Power switch
• True Diversity design minimizes dropouts
• Mic/Line level output switch
• Frequency Band K3: 492.425 MHz


AH7 Transmitter
Operating Power Voltage: 1.5V Typical, 1.05V Minimum, 2V Maximum
Current Consumption: 60mA Typical
Battery Life: 8 Hours (AAA size battery)
RF Output Power (5mW): -4dB Minimum, +3dB Maximum
THD: < 2% (1 kHz deviation 15kHz)
Audio Frequency Response: 50Hz - 15kHz (3.5 dB)
Controls: Internal Power Switch
Indicators: Power On (LED Flash), Low Battery (LED On)

CR77 Receiver
Oscillation Type: PLL
Antennas: 1/4 Wavelength Rod
Indicators: 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)
Sensitivity: 18 dBm (@ THD 2%)
Squelch Sensitivity: 0 - 40 dBm (Adjustable)
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)
AF Frequency Response: 50 Hz 15 kHz (3 dB overall)
Audio Output Level: Unbalanced: 0 dBv
Balanced: -20 dBm (Line), -40 dBm (Mic)
Audio Output Impedance Unbalanced: 5 kΩ
Balanced: 600 Ω
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