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Nady U-81 Octavo HT Handheld Wireless Microphone System  19/20/16/17/21/11/22/13

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The Nady U-81 Octavo HT is a handheld wireless mic system that includes the U-81 Octavo Wireless Receiver, and the UH-81 Handheld Transmitter. The Na...Click To Read More About This Product

Available 04-01-2017

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See All Nady Handheld Microphone Wireless Systems

A wireless system that lets you look, act and sound natural!

The Nady U-81 Octavo HT is a handheld wireless mic system that includes the U-81 Octavo Wireless Receiver, and the UH-81 Handheld Transmitter.

The Nady Octavo delivers 8 discrete channels on selected frequency bands from 740MHz to 764MHz. The U-81 Octavo HT system feature Nady's proprietary companding and low noise circuit for an industry best 120dB dynamic range, and the clearest, most natural sound available in wireless today.

Consumer Alert:

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCCs wireless microphone website at: www.fcc.gov/cgb/wirelessmicrophones.

  • U-81 Octavo Wireless Receiver
  • Operates on select UHF frequencies from 740MHz to 806MHz
  • Eight independent single-channel UHF wireless receivers in a single housing
  • Front panel LED display indicates the RF and AF on for each channel
  • Ch 1-8 individual balanced XLR MIC level outputs and Unbalanced LINE level SUM 1/4" jack output for 8-in-1 MIX audio output with separate volume control for each channel
  • Nady's exclusive patented companding circuitry with 120dB dynamic range and highest quality audio for an unsurpassed UHF performance
  • Dual removable high gain antennas with TNC connector front or back mounting
  • Standard 19" 1U, all-metal rack mount housing
  • Externally powered with AC/DC adapter included
  • UH-81 Handheld Transmitter
  • Features the Nady DM -10D unidirectional neodymium dynamic cartridge for optimum true sound, maximum feedback rejection and minimal handling noise
  • OFF/STANDBY/ON switch allows convenient audio muting while transmitter "ON"
  • Status LED indicator flashes once for unit "ON"; lights steady for low battery alert
  • 2 x AA alkaline or NiMH battery operation
  • Rugged ABS and rubber coated housing with integral antenna

U-81 Octavo HT Handheld Wireless Microphone System

  • Overall System Performance:
    RF Carrier Frequencies: Selected factory installed frequencies between 740MHz-806MHz
    Frequency stability: ±0.005% (Crystal Controlled)
    Audio Deviation: FM ±20kHz normal, ±50kHz maximum
    Frequency Response: 20Hz-20kHz, -3dB
    Dynamic Range: 120dB
    Harmonic Distortion: 0.5% THD, normal
    Operating Range: 250 feet normal, 500+feet max line of sight

    U-81 Octavo Wireless Receiver:
    Reception: Mono antenna reception
    Antennae: 10" (25.4 cm) Dual adjustable angle
    Mute Threshold: 95dBm (none-adjustable)
    Image Rejection: -70dB, minimum
    Balanced output : Audio outputs: ±24mV variable level (600 Ohms)
    Unbalanced MIX output: Audio output: 360mV variable level (Open load)
    Connectors: Balanced: XLR, Unbalanced: 1?4" TS,

    TNC connector. DC in: 2.1mm barrel type.
    Indicators: Power On, RF and AF LEDs
    Controls: Power ON/OFF buttons, Volume Controls

    Power Requirement: 15VDC/1000mA
    Dimensions (W x D x H): 14.25" x 12" x 1.75 ", (36.20 cm x 30.50 cm x 4.45 cm) Weight : 7.20 lbs (3.37 Kg)

    the UH-81 Handheld Transmitter:
    Input Connectors: Integral Nady DM-50D neodymium dynamic cartridge
    Controls: Power ON/STDBY/OFF
    RF Power: 20mW normal (50mW Maximum allowed by FCC)
    Harmonics and Spurs: -50 dB
    Antennas: Internal
    LED Indicators: Single LED flashes once for "ON", lights steady for "LOW BAT"

    Battery: 2xAA Alkaline or NiMH batteries
    Battery Life: 8-10 Hours (Alkaline)
    Dimensions: 10.5"x 1.875" (26.7 cm x 4.8 cm)
    Weight: 7.5 oz (213 g) without battery
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