User Guide
Model 354 User Guide Issue Preliminary 1, August 2021
Studio Technologies, Inc. Page 19
Model 354
TALK STATION
Specifications
Applications: Dante-based voice paging, intercom,
talent cue (broadcast IFB), and general audio
installations
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 and Output Level: –20 dBFS
Network Audio Technology:
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 (10 Mb/s and 1000 Mb/s GigE
Ethernet not supported)
Microphone Input:
Compatibility: Studio Technologies’ GME-3-12
gooseneck microphone or equivalent
Microphone 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 microphone
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:
Number 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:
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
Analog Monitor Output:
Type:
electronically balanced, capacitor coupled,
intended to drive balanced or unbalanced loads of
2 k ohms or greater
Audio Source: Dante receiver (input) channels 1-4,
preamble audio, and microphone 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