MIPRO - ACT-81 - Single Channel True Diversity Digital Receiver

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These revolutionary encrypted digital wireless Systems feature a 128-bit encryption key for maximum security against unauthorized listening, 24-bit audio quality, true digital RF transmission, SmartEQ® microphone modeling and are PC-controllable.

Features:

• 24-bit audio quality and digital RF transmission.
  
• DigitnamicPlus® technology eliminates compander noise, thereby accurately restoring the original sound quality.
• Proprietary 128-bit digital encryption key guarantees secure audio transmission, preventing unauthorized listening.
• Built-in SmartEQ® preset and user-defined microphone capsule equalization for faithful reproduction to suit artist's preferences.
• Digital transmission quality is constant. S/N ratio will not deteriorate as received signal becomes weaker.
• Digital has better resistance to interference.
• Proprietary Audio A/D Converter provides a true dynamic range of 110dBA to eliminate saturation or distortion at higher frequencies under high SPL input conditions.
• MIPRO' RCS2.Net software allows real-time network control and monitoring of multiple, large-scale systems.
• Featuring industry's first full-color VFD (vacuum fluorescent) display.
• Featuring MIPRO's patented and now industry standard "AutoScan" and "ACT" (Automatic Channel Targeting) channel set-up technology.
• All controls are intuitive and easily accessible, enabling quick and easy system set-up via a single rotary switch.
• Headphone monitor jack with channel selector.
• Ideal for military, courtrooms, boardrooms, studio, stage & music performances anywhere

ACT-81 brochure [PDF 146 KB]

Specifications:

Overall System

• Frequency Range: UHF 620~692MHz
• Switching Bandwidth: 24MHz
• TX Channel Set-up: ACT
• Audio Sampling Specs: 24-bit/44.1KHz Rate
• Audio Compression: Combiner DSP Technology
• Bit Rate: 220.5kbps
• Latency: 4ms
• Audio Frequency Range: 20Hz~20KHz-2dB
• Audio Dynamic Range: 110dB(A) Typical
• T.H.D.: <= 0.03% at 1KHz

Receiver

• Channels: Single-channel
• Sensitivity: 12dBμV at S/N >= 106dB(A)
• Bandwidth: 24MHz
• Channel Grid: 25KHz
• Image & Spurious Rejection: >= 95dB
• Diversity Technique: Digital Diversity
• Receiver Type: Double Conversion: 1st 244MHz , 2nd 10.7MHz
• Audio Output: XLR x 1
• Digital Audio Output: AES-3id with BNC Connectors
• Digital Equalizer: Preset Microphone Capsule Modeling
• PC Interface: USB or RS-232 interface, Proprietary MIPRO ACT-BUS
• Display: Color VFD Display
• Battery Meter: Displays Transmitter Battery Level
• Antenna Input: 50Ω Dual TNC Female Connector
• Power Input: 90~264VAC / 11~13 VDC
• Dimensions: EIA Standard 1 space rack
• Weight:
  
• 2.3kg
  
• 5.1lbs
• Environment: Full Specs, -10~60 degrees C
• Matching Transmitters: ACT-8H, ACT-8T

ACT-81/82 Frequency Chart [PDF 107 KB]