Samson Concert 77 UHF TD Wireless Guitar System

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    Product Description

    Samson Concert 77 Guitar Wireless systems provide high performance UHF True-Diversity Wireless at an incredible price!
    New Concert 77 UHF Wireless systems feature half rack space/dual antenna receivers with 6 segment audio and RF metering, volume and squelch controls, 1/4-inch unbalanced and XLR balanced outputs (switchable mic/line level), a rugged beltpack transmitter with On/Off and Audio Mute switch, a battery meter, and audio level controls. Beltpacks feature detachable guitar cables with locking mini XLR jacks.

    The Samson Concert77 Wireless system is a UHF wireless solution ideal for any professional application. UHF means Ultra High Frequency, which translates to crystal clear operation with no interference, traditionally available on only the most expensive systems. Now UHF performance and reliability is affordable thanks to Concert77.

    The new CT7 belt-pack transmitter is configured as a guitar system thanks to the popular locking P3 input connection. The CT7 also features a three-segment battery indicator, separate power and audio on/off switches, adjustable AF level (audio gain), and 12-hours of battery life on a single 9-volt battery.

    The CR77 true-diversity half-rack UHF receiver is the core of the Concert77 system. The new synthesized PLL frequency control circuitry keeps the signal locked and true while dual tuned molded antennas with LEDs monitor the true-diversity operation. The CR77 features a front panel display with large multi-segment Audio level and RF level LED meters, and a large rotary volume knob allows easy adjustment of audio output. The rear panel features balanced XLR and un-balanced 1/4-inch outputs allowing flexible connection options. Two CR77 receivers can be rack mounted together in a single space rack adapter available as an added accessory.

    Samson Concert 77 Features and Specifications

    • True Diversity UHF Wireless System with PLL Frequency Control
    • Multi-segment Audio level, RF level and A/B Antenna Operation LED meters
    • Squelch control eliminates carrier signal noise and RF interference
    • Tuned molded antennas for accurate reception
    • XLR and unbalanced 1/4-inch outputs with mic/line level output switch
    • Operating Frequencies: USA 642.375 - 645.750 mHz (N1-N6)

    Product Specifications

    Samson Concert 77 Wireless System Specifications

    • Channels: 6
    • Frequency Type: F3
    • Modulation Type: FM
    • Noise Reduction Type: Compander/Expander
    • Distance: 300 feet

      Transmitter (HT7, CT7)

    • Oscillation Type: Direct PLL
    • Pre-emphasisL 50 ìsec
    • Antenna:
      • HT7: Integral Antenna
      • CT7: 1/4 Wave Length Wire (Pig Tail)
    • Input (CT7): TB3M Switchcraft Connector
    • Maximum Input Level: 3 V p-p
    • Battery: Duracell MN1604 9-volt alkaline
    • Operating Temperature: -20° C / 55° C
    • Switches and Controls: Power ON/OFF, Audio ON/OFF
      • HT7: Mic Level Volume
      • CT7: Audio Level
    • Display (LED): Battery Low/Mid/High (corresponds to <5.3 V / 5.3 - 7 V / >7V)
    • Operating Voltage: 9 Volts +20% / -40%
    • Current Consumption: 47 mA
    • RF Power: 10 mW
    • Frequency Stability: ±20 kHz
    • Spurious Ratio: 2.5 nW
    • Deviation: 20 kHz (16.5 kHz - 23.5 kHz)
    • T.H.D. (Overall): 0.5% (3% max) (@AF 1 kHz, RF 46 dBu)
    • AF Frequency Response: 50 Hz - 15 kHz (±3 dB overall)
    • Battery Life: 12 hours


    • Operating Frequencies: USA 642.375 - 645.750 mHz (N1-N6)
    • Oscillation Type: PLL
    • De-emphasis: 50 ìsec
    • IF Frequency: 10.7 MHz
    • Antenna: 1/4 Wavelength Rod
    • Input and Output: DC Inlet, Balanced Output, Unbalanced Output
    • Display (LED): Receiver A/B (Green), Power On (Red), Peak (Yellow), RF Level (5 pc)
    • Level Control: Audio Level Volume, Mute Level Control
    • Operating Temperature: 0° C / 50° C
    • Operating Voltage: 12 Volts ±10%
    • Current Consumption: 160 mA (at all LED lights)
    • Receiving Frequency Range: 801 - 805 MHz
    • Sensitivity: 18 dBì (@ THD 2%)
    • Squelch Sensitivity: 0 - 40 dBì (Adjustable)
    • Selectivity: ±150 kHz (AF Out Ratio -60 dB)
    • T.H.D. (Overall): 1% Max (@AF 1 kHz, RF 46 dBu)
    • Signal to Noise Ratio (Overall): 90 dB (w/IHF-A Filter)
    • Residual Noise: 90 dBv (w/IHF-A Filter)
    • Band Mute: ±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: -20 dBm (Line), -40 dBm (Mic)
    • Audio Output Impedance - Unbalanced: 5 k Ohms
    • Audio Output Impedance - Balanced: 600 Ohms

    Specifications subject to change.

    Buy with Confidence
    All wireless microphone systems available through AMS are compliant with current FCC rules for safe operation without a license when they leave our warehouse. If you choose to modify a system after purchase, it may no longer be in compliance and may therefore require a license to operate. To learn more about the FCC’s rules regarding wireless microphones (which are subject to change), please call the FCC at 888-CALL-FCC (TTY: 888-TELL-FCC) or visit
    Helpful Info about the Manufacturer
    Phone:  631-784-2200 Warranty:  2 Years on Audio and Wireless (1 Year on AH8 Transmitter), 90 Days on Rechargeable Batteries, 3 Years on Power Amplifiers
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