Nady U-81 Octavo HT Handheld Wireless Microphone System  

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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 Nady Octavo delivers 8 discrete channels ... Read More


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.

Features 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
  • 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,
  • 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/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
Wireless Equipment (Most) *1 Year
DKW-Duo, DKW-3 *90 Day
Pro-Audio (Most *1 Year
SPC-4C, ProPerformer microphones *90 Day
RSM-1,2,3,4,& 5 *1 Year
TRM-6 *1 Year
Speakers/Powered Speakers *1 Year
Headphones *1 Year
Power Amps *1 Year
Products identified as a "Blem" or "Refurb" carry a 90-day warranty.

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