Studio Technologies Model 354A Dante Audio-over-Ethernet Talk Station - Supports GME-3-12 Gooseneck Mic

ITEM #: STCH-M354A MFG #: MODEL 354A

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Studio Technologies Inc.
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MODEL 354A - Overview

The Studio-Technologies Model 354A Talk Station is a unique product intended to support a variety of voice paging, background music, audio-file playback, broadcast talent cueing (IFB), and general-audio applications. The unit supplies four independent "talk" channels that can be individually configured to match the needs of an application. A monitor section allows one of the four Danter receiver (input) channels to be routed as desired to a connected amplifier or amplified speaker.

The Model 354A supports Dante audio-over-Ethernet digital media technology with AES67 compatibility for integration into contemporary applications. In addition, the unit is compatible with the Dante Domain Manager™ (DDM) software application.

Voice audio is supplied by way of a gooseneck microphone, purchased separately, which is attached to the connector/threaded bushing combination that is located on the front of the Model 354A. (Using the Studio Technologies' GME-3-12 Gooseneck Microphone is highly recommended.) Two audio sources or "messages," up to 40 seconds each in length, are stored in non-volatile memory within the Model 354A. These two audio sources, saved in the common 16-bit monoaural WAV format, can be easily updated by way of a standard USB flash drive. The audio files can contain whatever "pre-page" (preamble) audio signals that are desired to support an application.

The Model 354A is extremely simple to deploy, is "pro" quality throughout, and provides an intuitive user experience. The Model 354A's audio quality is excellent, with low distortion, low noise, and ample headroom. Careful circuit design and rugged components ensure long, reliable operation. Only a Power-over-Ethernet (PoE) connection and attachment of a gooseneck microphone are required for operation. If desired, the analog monitor output can be connected to the input of an associated device. Two "custom" WAV audio files can be loaded by way of a USB flash drive.

Model 354A operating features are configured using the STcontroller software application. An extensive set of parameters allows the unit's functions to be tailored to meet the needs of a myriad of applications. STcontroller is a fast and simple means of confirming and revising the unit's operating parameters.

Applications:
- Dante-based voice paging
- Intercom
- Talent cue (broadcast IFB)
- General audio installations

  • Features:

    • Dante audio-over-Ethernet technology
    • Supports GME-3-12 gooseneck mic
    • Voice-paging capability with background music support
    • Broadcast talent cueing (IFB) capability
    • Four independent output channels
    • Analog monitor output with input selection
    • Stores and replays two digital audio (WAV) files
    • Excellent audio quality
    • Uses STcontroller for configuration
    • Power-over-Ethernet (PoE) powered
     

  • Specifications:

    • Power Source: Power-over-Ethernet, class 1, per IEEE 802.3af

      General Audio
    • Internal Digital Audio Processing: 32-bit, fixed
    • Nominal Digital Input and Output Level: -20dBFS

      Network Audio Technology
    • Type: Dante audio-over-Ethernet
    • Bit Depth: 16, 24, or 32
    • Sample Rate: 48kHz
    • Number of Transmitter (Output) Channels: 4
    • Number of Receiver (Input) Channels: 4
    • Dante Audio Flows: 4; 2 transmitter, 2 receiver

      Network Interface
    • Type: 100BASE-TX, twisted-pair Ethernet with Power-over-Ethernet supported
    • Data Rate: 100Mb/s

      Mic Input
    • Compatibility: GME-3-12 Gooseneck Mic or equivalent
    • Mic Power: 3.3 volts DC via 2.49 k resistor
    • Impedance: 2.0kΩ, nominal
    • Gain: 12, 18, 24, 30, 36dB, selectable
    • Frequency Response: -3dB @ 40Hz, -1dB @ 16kHz
    • Distortion (THD+N): 0.022%, measured at -20 dBFS, 22Hz - 22kHz bandwidth, 12dB of gain
    • Noise Floor: -95dBFS, A-weighted, 12dB of gain
    • Dynamic Range: >76dB, A-weighted, measured at 36dB of gain

      Compressor
    • Threshold: 2.7dB above nominal Dante output level (-17.3dBFS), ±0.3dB
    • Slope: 2:1
    • Status LED: compressor active

      Preamble Audio
    • Number of Channels: 2, field updatable using USB flash drive
    • Source Type: 16-bit monophonic, 48kHz sample rate, WAV (.wav) files, stored in non-volatile memory
    • Level: -20dBFS nominal, adjustable ±12dB in 3-dB steps
    • Duration: up to 40 seconds per WAV file
    • Distortion: <0.0001%
    • Frequency Response: 20Hz - 20kHz, +0/-0.7dB

      Talent Cue (Broadcast IFB) Capability
    • Number of Channels: up to 4, configurable
    • Audio Sources: Dante receiver (input) channels 1-4
    • Frequency Response: 20Hz - 20kHz, +0/-0.7dB
    • Program Audio Attenuation (Dim): 0, 5, 10, 15, 20dB, Full Mute, configurable

      Dante Monitor Output
    • Nominal Level: -24dBFS

      Analog Monitor Output
    • Type: electronically balanced, capacitor coupled, intended to drive balanced or unbalanced loads of 2kΩ or greater
    • Audio Source: Dante receiver (input) channels 1-4, preamble audio, and microphone audio, configurable and selectable
    • Source Impedance: 200Ω
    • Nominal Level: -10 or 0dBu, reference -20dBFS, configurable
    • Maximum Level: +20dBu, with 0dBFS input, measured at 1kHz
    • Dynamic Range: >106dB, A-weighted
    • Distortion (THD+N): 0.0011% (-99dB), measured at -1dBFS input, 22kHz bandwidth
    • Frequency Response: +0/-1.5dB, 20Hz - 20kHz
    • Level Reduction (Dim) Capability: 0, 5, 10, 15, 20dB, or full mute, configurable

      Dante Talk Outputs: 4
    • Type: Dante digital
    • Nominal Level: -20dBFS

      Channel Status Signals
    • Action: Independently configurable per channel
    • Send Tone Frequencies: 16, 18, and 20kHz, sine wave
    • Send Tone Frequency Accuracy: <10ppm
    • Send Tone Level: -20dBFS, nominal
    • Send Tone Distortion: <0.0001%
    • Receiver Tone Detect Level Threshold: -23dBFS at 16kHz; -28dBFS at 18kHz; -30dBFS at 20kHz
    • Receiver Tone Minimum On Time: 80 milliseconds
    • Program Input-to-Monitor Output Low-Pass Filter: -6dB at 10kHz; -28dB at 16kHz; -55dB at 20kHz
    • Tone Detect Tone-to-Monitor Output Rejection Filter: -31dB at 18kHz; -46dB at 20kHz; -70dB at 22kHz

      Connectors
    • Gooseneck Mic: 3-conductor 1/4" jack with 7/16-20 UNF threaded bushing; 4-40 hex head socket set screw allows microphone to be secured into bushing
    • Analog Monitor Output: 3-pin male XLR
    • Ethernet: Neutrik NE8FBH etherCON RJ45 jack
    • USB: type A receptacle
    • Configuration: Studio Technologies' STcontroller personal computer application

      General
    • Operating Temp: 32°F - 122°F
    • Storage Temp: -40°F - 158° F
    • Humidity: 0% - 95%, non-condensing
    • Dimensions: 3.6" x 2.7" x 4.7"
    • Weight: 1.1lbs without gooseneck mic; 1.4lbs with GME-3-12 Gooseneck Mic
     

  • Item Includes:

    • 1x M354A Dante Audio-over-Ethernet Talk Station
     

Required Accessories

MODEL 354A - Required Accessories

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