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

ITEM #: STCH-M354 MFG #: M354

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M354 - Overview

The Studio Technologies Model 354 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 simple monitor section allows one of the four Dante® receiver (input) channels to be routed as desired to a connected amplifier or amplified speaker.

The Model 354 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 354. (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 354. 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 Model 354 is extremely simple to deploy, is "pro" quality throughout, and provides an intuitive user experience. The Model 354'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.

Model 354 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 many, many applications. STcontroller is a fast and simple means of confirming and revising the unit's operating parameters. The Model 354 is housed in a compact, rugged steel enclosure that's intended for table-top use.

Applications:
Dante-based voice paging, intercom, talent cue (broadcast IFB), and general audio installations

  • Features:

    • Dante audio-over-Ethernet technology
    • Supports GME-3-12 gooseneck microphone
    • 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
    • Uses STcontroller for configuration
    • PoE powered
     

  • Specifications:

    • Power Source
    • Power-over-Ethernet (PoE), class 1 (very low power, =3.84 watts), per IEEE 802.3af

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

      Network Audio
    • Type: Dante audio-over-Ethernet
    • AES67-2018 Support: yes
    • Dante Domain Manager (DDM) Support: yes
    • Bit Depth: 16, 24, or 32
    • Sample Rate: 48 kHz
    • TX (Output) Channels: 4
    • RX (Input) Channels: 4
    • Dante Audio Flows: 4; 2 TX, 2 RX

      Network Interface
    • Type: 100BASE-TX, twisted-pair Ethernet with Power-over-Ethernet (PoE) supported
    • Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s GigE Ethernet not supported)

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

      Compressor
    • Application: applies only to gooseneck mic audio
    • Threshold: 2.7 dB above nominal Dante output level (-17.3 dBFS), ±0.3 dB
    • Slope: 2:1
    • Status LED: compressor active

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

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

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

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

      Connectors
    • Gooseneck mic: ¬-inch 3-conductor with 7/16-20 UNF threaded bushing; 4-40 hex head socket set screw allows mic to be secured into bushing
    • Analog Monitor Output: 3-pin male XLR
    • Ethernet: Neutrik NE8FBH etherCON RJ45 jack

      Configuration
    • STcontroller personal computer application

      Software Updating
    • USB flash drive used for updating main firmware and WAV audio files; Dante Controller's Dante Updater application used for updating Dante interface firmware

      Environmental
    • Operating Temperature: 32 to 122° F
    • Storage Temperature: -40 to 158° F
    • Humidity: 0 to 95%, non-condensing

      Dimensions
    • 3.6 x 2.7 x 4.7 inches deep

      Deployment
    • Intended for tabletop applications

      Weight
    • 1.1lb without gooseneck mic
     

  • Item Includes:

    • 1x Model 354 Dante audio-over-Ethernet Talk Station
     

Required Accessories

M354 - Required Accessories

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