Studio Technologies Model 236 Announcers Console

M236 - Overview

• Features:

  • Compact unit supports one on-air location
  • Dante audio-over-Ethernet technology
  • Microphone preamplifier with selectable gain and P48 power
  • One main and six talkback output channels
  • User-controlled headphone mixing
  • Superior audio quality
  • Redundant Dante with two GigE interfaces
  • PoE and 12 Vdc powering
  • Extensive feature configuration using STcontroller application
  • Supports REMI/At-Home applications
   

• Specifications:

  • Network Audio Technology
  • Type: Dante audio-over-Ethernet
  • AES67-2013 Support: yes, selectable on/off
  • Dante Domain Manager (DDM) Support: yes
  • Ethernet Interface Configuration: Switched or Redundant
  • Bit Depth: 16, 24, or 32
  • Sample Rate: 48 or 96 kHz (no pull-up/down supported)
  • Dante Receiver (Input) Channels: 9
  • Dante Transmitter (Output) Channels: 10
  • Dante Audio Flows: 32; 16 transmitter, 16 receiver
  • Internal Digital Audio Processing: 32-bit, fixed
  • Input-to-Output Audio Processing Latency: <200 uSec
  • Nominal Dante Receiver (Input) and Transmitter
  • (Output) Level: -20 dBFS
    
    Network Interfaces: 2, Primary-PoE and Secondary
  • Type: 1000BASE-T (Gigabit Ethernet ("GigE")) per IEEEr 802.3ab (10 and 100 Mb/s not supported)
  • Power-over-Ethernet (PoE): per IEEE 802.3af (applicable to Model 232's Primary-PoE network connection only)
    
    Analog Microphone Input
  • Compatibility: dynamic or phantom-powered microphones
  • Type: balanced, capacitive coupled
  • Impedance: 3.6 k ohms, nominal
  • Gain: 20 to 65 dB in 1-dB steps
  • Frequency Response: 20 Hz to 22 kHz, +0/-1 dB
  • Distortion (THD+N): <0.0004%, 1 kHz, -4 dBFS output, 20 dB gain, 22 kHz BW
  • Dynamic Range: 120 dB, ref 0 dBFS output, 20 dB gain, A-weighted
  • Phantom Power: P48 per IEC 61938 standard, on/off selectable with status LED
    
    Analog Microphone Output
  • Type: passive via two 200 ohm resistors from microphone input (will pass phantom power in either direction)
  • Muting: solid-state relay contacts, 60 dB attenuation @ 1 kHz
    
    Headphone Output
  • Type: analog 2-channel (stereo)
  • Compatibility: stereo (dual-channel) or monaural (single-channel) headphones, headsets, or earpieces with nominal impedance
    of 50 ohms or greater
  • Maximum Output Voltage: 3.0 Vrms, 1 kHz, 150 ohm load
  • Frequency Response: 20 Hz to 20 kHz, +0/-1 dB
  • Dynamic Range: >102 dB, A-weighted
  • Distortion (THD+N): <0.025%, measured at 1 kHz, 0 dBu output
    
    Talkback Input Low-Pass Filter (LPF)
  • Function: active only when specific talkback channel has tone detect function enabled
  • Type: digital, 8-pole Butterworth (48 dB/octave)
  • Cutoff: -3 dB at 12 kHz
    
    18 kHz and 20 kHz Tone Outputs
  • Type: sine wave
  • Level: -20 dBFS
  • Frequency Accuracy: <10 ppm
  • Distortion: <0.0001%
    
    Tone Detect Function
  • Receive Frequency: >15 kHz nominal to upper end of frequency response, within audio channel
  • Receive Level: -27 dBFS minimum
  • Send Frequency: 20 kHz
  • Send Level: -20 dBFS
    
    IFB (Dims Main Audio) Function
  • Activation: in-band tone detection per Tone Detect function
  • Attenuation (Dim): 15 dB, fixed
    
    Call Light Function
  • Activation: in-band tone detection per Tone Detect function
    
    Remote Control Inputs: 4
  • Function: configurable, can mimic the action of the main and talkback button functions
  • Type: active low, 1 mA maximum, input pulled up to 3.3 volts DC via 3.4 k ohm resistors
  • Limitation: Remote Control Input 2 shares hardware pin with Tally Output (only one function can be configured at a time)
    
    Connectors
  • Analog Microphone Input: 3-pin female XLR
  • Analog Microphone Output: 3-pin male XLR
  • Headphone Output: 3-conductor ¬-inch jack
  • Ethernet: 2, Neutrik NE8FBH etherCON RJ45 receptacles
  • DC Input: 4-pin male XLR (pin 1 negative, pin 4 positive)
  • USB: type A receptacle (used only for updating firmware)
  • Remote Control Inputs / Tally Output: 2, 3-pin headers located on the main circuit board
  • Headphone Output: 3-pin header located on the main circuit board
  • DC Output: 3-pin header located on the main circuit board
  • Analog Microphone Input: 3-pin header located on the analog circuit board
    
    Power Sources
  • Power-over-Ethernet (PoE): class 3 (mid power, =12.95 watts) per IEEE 802.3af
  • DC Input: 10 to 18 volts DC, 0.55 A maximum at 12 volts DC (can be powered by optional PS-DC-02)
    
    Environmental
  • Operating Temperature: 32 to 122 °F
  • Storage Temperature: -22 to 158 °F
  • Humidity: 25 to 85%, non-condensing
  • Altitude: not characterized