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Product Description

Nady Systems U-81 OCTAVO HT  (Nady U81OCTAVOHT)

The U-81 Octavo Handheld 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.

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)

HT-8U Handheld Microphone Transmitter
Nady DM-50D neodymium cartridge delivers transparent vocals, maximum feedback rejection and minimal handling noise
On/Standby/Off switch allows convenient audio muting while transmitter on
Status LED indicator flashes once for Unit On; lights steady for Low Battery Alert
Uses two AA alkaline or NiMH batteries
Rugged ABS and rubber-coated housing with integral antenna

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 inches (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 (36.20x30.50x4.45cm)
Weight: 7.20 lbs (3.37 Kg)

Transmitters

UH-81 Handheld: Integral Nady DM-50D neodymium dynamic cartridge
UH-81: Power ON/STDBY/OFF
RF Power: 20mW normal (50mW Maximum allowed by FCC)
Harmonics and Spurs: < -50 dB
Antennas: Internal antennas
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, UH-81: 10.5 x 1.875 inches (26.7 x 4.8 cm)
Weight: 7.5 oz (213 g) without battery

 

In accordance with California's Prop 65 Compliance Law, Regulation Requires us to Inform California Customers of the Following Warnings for All Products:

*Warning:* This product can expose you to chemicals including wood dust, which is known in the state of California to cause cancer or birth defects or other reproductive harm. For more information, please go to www.P65Warnings.ca.gov

*Warning:* This product can expose you to chemicals including Di-isodecyl phthalate, which is known in the state of California to cause cancer or birth defects or other reproductive harm. For more information, please go to www.P65Warnings.ca.gov

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