Studio Technologies MODEL 381 On-Air Beltpack

MODEL 381 - Overview

• Features:

  • Dante audio-over-Ethernet technology
  • Creates complete "stand-up" on-air position
  • One main and one talkback output channel
  • Highly-flexible 2-channel headphone output
  • Integrated sidetone function
  • Excellent audio quality
  • Uses STcontroller for configuration
  • Power-over-Ethernet (PoE) powered
   

• Specifications:

  • Power Source
  • Power-over-Ethernet (PoE): class 2 (low power, ≤6.49 watts)
    
    Network Audio Technology
  • Type: Dante audio-over-Ethernet
  • AES67-2013 Support: yes
  • Dante Domain Manager (DDM) Support: yes
  • Bit Depth: up to 24
  • Sample Rate: 44.1,48, 88.2, and 96 kHz
  • Number of Transmitter (Output) Channels: 2
  • Description of Transmitter Channels: main (pre- or post-compressor, selectable), talkback (post-compressor)
  • Number of Receiver (Input) Channels: 2
  • Description of Receiver Channels: headphone channel 1 and headphone channel 2
  • Dante Audio Flows: 4; 2 transmitter, 2 receiver
    
    Network Interface
  • Type: 100BASE-TX, twisted-pair Ethernet, Power-over-Ethernet (PoE) supported
  • Data Rate: 100 Mb/s (10 Mb/s and 10000 Mb/s "GigE" Ethernet not supported)
    
    
  • Microphone Input
  • Compatibility: dynamic or phantom-powered microphones
  • Type: balanced, capacitive coupled
  • Impedance: 2.8 k ohms, nominal
  • Gain: 36, 42, 48, 54, and 60 dB, selectable
  • Frequency Response: 30 Hz to 20 kHz, -3 dB at 30 Hz, -0.6 dB at 20 kHz
  • Distortion (THD+N): <0.020%, 1 kHz, 36 dB gain, -32 dBu input level
  • Dynamic Range: 96 dB, A-weighted
  • Phantom Power: P48 per IEC 61938 standard, on/off selectable with status LED
    
    Compressor
  • Application: always used for Dante talkback audio output channel, can be used for Dante main output channel
  • Threshold: 1 dB above nominal level (-19 dBFS)
  • Slope: 2:1
  • Status LED: compressor active
    
    
  • Headphone Output
  • Type: 2-channel
  • Compatibility: intended for connection to stereo (dual-channel) or mono (single-channel) headphones, headsets or earpieces with nominal impedance of 50 ohms or greater
  • Maximum Output Voltage: 3.1 Vrms, 1 kHz, 150-ohm load
  • Frequency Response: 20 Hz to 20 kHz, +0/-1 dB
  • Distortion (THD+N): 0.001%, +10 dBu output, 150-ohm load
  • Dynamic Range: >102 dB
    
    
  • Connectors
  • Microphone Input: 3-pin female XLR
  • Headphone Output: ¼-inch 3-conductor jack
  • Ethernet: Neutrik etherCON RJ45
  • USB: type A receptacle (located inside Model 381's enclosure and used only for updating firmware)
    
    Configuration: uses Studio Technologies' ST controller personal computer application, version 1.08.00 and later
    
    
  • Environmental
  • Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
  • Storage Temperature: -40 to 70 degrees C (-40 to 158 degrees F)
  • Humidity: 0 to 95%, non-condensing
  • Altitude: not characterized
    
    Dimensions (Overall)
  • 3.1 inches wide (7.9 cm)
  • 1.5 inches high (4.0 cm) w/out belt clip; 1.8 inches (4.6 cm) with belt clip
  • 4.9 inches deep (12.5 cm)
    
    
  • Deployment: intended for portable applications; contains integral belt clip
  • Weight: 0.5 pounds (0.23 kg)