Item #: NAD U81OCTLTO LIST

Nady U-81 Octavo 8 Channel UHF Lapel Wireless Mic System

8 channels of wireless lavalier mics makes this system ideal for churches, schools, events and more!
4.5 out of 5 stars Read 6 Review(s)
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Product Highlights

Product Description

The U-81 Octavo Lapel Microphone System operates on eight independent single-channel UHF wireless receivers in a single housing for simultaneous operation of up to eight transmitters. Front panel LED display indicates the RF and AF status for each channel. Ch. 1-8 are individually balanced XLR Mic Level outputs and unbalanced Line Level sum 1/4 inch 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 unsurpassed UHF performance. Dual removable high gain antennas with TNC connector, front or back mounting. Standard 19 inch 1U, all-metal rackmount housing. Externally powered with AC/DC adapter (included)

Nady U-81 Octavo 8 Channel UHF Lapel Wireless Mic System Features
  • Operates on select UHF frequencies
  • Eight independent single-channel UHF wireless receivers in a single housing for simultaneous operation of up to eight transmitters
  • Front panel LED display indicates the RF and AF status for each channel
  • Ch. 1-8 individually balanced XLR Mic Level outputs and unbalanced Line Level sum 1/4 inch 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 unsurpassed UHF performance
  • Dual removable high gain antennas with TNC connector, front or back mounting
  • Standard 19 inch 1U, all-metal rackmount housing
  • Externally powered with AC/DC adapter (included)
  • BT-8U Bodypack Transmitter:
    • Lavalier microphone operation with convenient input volume control for proper level adjust
    • Off/Standby/On switch allows convenient audio muting while transmitter on
    • Locking 3.5mm mini-jack provides secure connection for removable mic or instrument cable
    • Status LED indicator flashes once for unit on; lights steady for low-battery alert
    • Single 9V alkaline or NiMH battery
    • Lightweight, rugged ABS housing with integral antenna


CALIFORNIA PROPOSITION 65 WARNING
warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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Helpful Info about the Manufacturer
Phone:  510-652-2411 Warranty:  Please read the warranty card supplied with your product or access it online. Generally, the limited warranty for professional wireless and audio equipment is one year

Product Specifications

Nady U-81 Octavo 8 Channel UHF Lapel Wireless Mic System Specifications
  • Overall System Performance
    • RF Carrier Frequencies: Selected factory installed frequencies between 902-928MHz and 944-952MHz
    • 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
  • Receiver
    • Reception: Mono antenna reception
    • Antennas: 10 inch (25.4 cm) Dual adjustable angle
    • Mute Threshold: -95dBm (none-adjustable)
    • Image Rejection: -70dB, minimum
    • Balanced output: Audio outputs: +/-24mV fixed level (600 Ohms)
    • Unbalanced MIX output: Audio output: 360mV variable level (Open load)
    • Connectors: Balanced: XLR, Unbalanced: 1⁄4 inch TS, Antennas: 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/1200mA
    • Dimensions (WxDxH): 14.25 x 12 x 1.75 inches (36.2x30.5x4.45)
    • Weight: 7.20 lbs (3.37 Kg)
  • Transmitters
    • Input Connectors: 3.5mm locking mini-jack
    • Controls: ON/STDBY/OFF, Input Level Control (LT/HM), selectable inputs—internal HM/LT switches
    • RF Power: 20mW normal (50mW Maximum allowed by FCC)
    • Harmonics and Spurs: < -50 dB
    • Antennas: UH-81/UB-81: Internal antennas
    • LED Indicators: Single LED flashes once for ‘ON’, lights steady for ‘LOW BAT’
    • Battery: UB-81: Single 9V Alkaline or NiMH battery
    • Battery Life: 8-10 Hours (Alkaline)
    • Dimensions: 4.25 x 2.5 x 1.0 inch (10.8x6.4x2.5cm)
    • Weight: 3.1 oz (88 g) without battery

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