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Studio Technologies Model 354A Talk Station

BH #STM354A • MFR #M354A
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Studio Technologies Model 354A Talk Station
Key Features
  • Dante Audio-over-Ethernet Technology
  • Supports GME-3-12 Gooseneck Microphone
  • Voice Paging & Background Music Support
  • Broadcast Talent Cueing (IFB)
The Model 354A Talk Station from Studio Technologies is a versatile audio interface designed for a wide range of professional applications, including voice paging, background music, audio file playback, broadcast talent cueing (IFB), and general-purpose audio distribution. It features four independent talk channels, each of which can be configured individually to meet specific operational requirements. A built-in monitor section allows any of the four Dante input channels to be routed to a connected powered speaker or external amplifier as needed.
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Studio Technologies Model 354A Overview

The Model 354A Talk Station from Studio Technologies is a versatile audio interface designed for a wide range of professional applications, including voice paging, background music, audio file playback, broadcast talent cueing (IFB), and general-purpose audio distribution. It features four independent talk channels, each of which can be configured individually to meet specific operational requirements. A built-in monitor section allows any of the four Dante input channels to be routed to a connected powered speaker or external amplifier as needed.

Built on Dante Audio-over-Ethernet technology, the Model 354A is fully compatible with AES67, making it easy to integrate into modern networked audio environments. The unit also supports Dante Domain Manager (DDM) for enhanced system management and security. Voice input is provided through a separately available gooseneck microphone, which connects to the integrated threaded bushing and XLR-style connector on the front panel. The Studio Technologies GME-3-12 Gooseneck Microphone is highly recommended for optimal performance.

The unit includes two internal message playback channels, each capable of storing up to 40 seconds of audio in standard 16-bit mono WAV format. These pre-recorded audio files, which are ideal for chimes, tones, voice prompts, or custom preamble messages, are stored in non-volatile memory and can be easily updated using a USB flash drive. Users can create WAV files externally and load them into the unit, enabling flexible, application-specific audio cues. Configuration settings determine how and when these messages are played during operation.

Engineered for reliability and ease of use, the Model 354A delivers high-quality audio with low noise, low distortion, and generous headroom. Built with robust components and thoughtful circuitry, the Model 354A ensures long-term, dependable performance in demanding environments with straightforward setup that allows you to simply connect a Power-over-Ethernet (PoE) source and plug in a compatible gooseneck microphone.

An optional analog monitor output is available for feeding local monitoring equipment or other audio devices.

Studio Technologies Model 354A Specs

Application / Usage
Dante-Based Voice Paging, Intercom, Talent Cue (Broadcast IFB), General Audio Installations
Audio
Internal Digital Audio Processing: 32-Bit, Fixed
Nominal Digital Input and Output Level: -20 dBFS

Preamble Audio:
Number of Channels: 2, Field-Updatable Using USB Flash Drive
Source Type: 16-Bit Monophonic, 48 kHz Sample Rate, 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
Distortion: <0.0001%
Frequency Response: 20 Hz to 20 kHz, +0/-0.7 dB
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
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 (PoE) Supported
Data Rate: 100 Mb/s
Microphone Input
Microphone Power: 3.3 VDC via 2.49 K Resistor
Impedance: 2 Kilohms, 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
Threshold: 2.7 dB Above Nominal Dante Output Level (-17.3 dBFS), ±0.3 dB
Slope: 2:1
Status LED: Compressor Active
Additional Features
Talent Cue (Broadcast IFB) Capability:
Number of Channels: Up to 4, Configurable
Audio Sources: Dante Receiver (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

Dante Monitor Output:
Nominal Level: -24 dBFS

Analog Monitor Output:
Type: Electronically Balanced, Capacitor Coupled, Intended to Drive Balanced or Unbalanced Loads of 2 Kilohms or Greater
Audio Source: Dante Receiver (Input) Channels 1-4, Preamble Audio, and Microphone Audio, Configurable and Selectable
Source Impedance: 200 Ohms
Nominal Level: -10 or 0 dBu, Reference -20 dBFS, Configurable
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

Dante Talk Outputs: 4
Type: Dante Digital
Nominal Level: -20 dBFS

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%
Receiver Tone Detect Level Threshold: -23 dBFS at 16 kHz; -28 dBFS at 18 kHz; -30 dBFS at 20 kHz
Receiver Tone Minimum On Time: 80 ms
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 Microphone: 3-Conductor 1/4" Jack with 7/16-20 UNF Threaded Bushing
Analog Monitor Output: 3-Pin Male XLR
Ethernet: Neutrik NE8FBH etherCON RJ45 Jack
USB-A Port for Firmware and WAV Audio Files
Environmental
Operating Temperature: 32 to 122°F / 0 to 50°C
Storage Temperature: -40 to 158°F / -40 to 70°C
Humidity: 0 to 95%, Non-Condensing
Dimensions
WxHxD: 3.6 x 2.7 x 4.7" / 9.1 x 6.9 x 11.9 cm
Weight
1.1 lb / 500 g
Packaging Info
Package Weight
1.515 lb
Box Dimensions (LxWxH)
8.6 x 7.7 x 4"

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