Specifications - Studio Technologies 373A User Manual

Specifications

Power Source:
Power-over-Ethernet (PoE): class 1 (very low
power, ≤3.84 watts) per IEEE
Network Audio Technology:
Type: Dante audio-over-Ethernet
AES67-2013 Support: yes
Dante Domain Manager (DDM) Support: yes
Bit Depth: up to 24
Sample Rate: 48 kHz
Number of Transmitter (Output) Channels: 1
Number of Receiver (Input) Channels: 2
Dante Audio Flows: 4; 2 transmitter, 2 receiver
Network Interface:
Type: 100BASE-TX, twisted-pair Ethernet,
Power-over-Ethernet (PoE) supported
Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s GigE
Ethernet not supported)
Compatibility – Headset A: monaural single- or
dual-ear broadcast-style with dynamic or electret
(low-voltage DC-powered) microphone: pin 1 mic
–/shield/screen; pin 2 mic +; pin 3 phones –; pin 4
phones +
Compatibility – Headset B: CTIA™/AHJ configura-
tion (typically uses electret powered mic): tip phones
left; ring 1 phones right; ring 2 common; sleeve mic
Audio Channels: 1 talk, 2 listen
Microphone Input:
Compatibility: dynamic or electret (low-voltage
DC-powered) microphones
Type: unbalanced
Electret Microphone Power: 3.3 volts DC via
2.00 k resistor, selectable on/off
Impedance: 1 k ohms, nominal, microphone power
off; 690 ohms, nominal, microphone power on
Gain: 24, 30, 36, 42, or 48 dB, selectable, ref.
–60 dBu input to Dante output (–20 dBFS nominal)
Frequency Response: 40 Hz to 20 kHz, –3 dB
Distortion (THD+N): <0.02% (at minimum gain)
Dynamic Range: 91 dB of dynamic range
Issue 2, June 2023
Page 18
Model 373A
INTERCOM BELTPACK
802.3af
®
Compressor:
Application: applies to Dante transmitter (output)
channel and sidetone audio
Threshold: 2 dB above nominal level (–19 dBFS)
Slope: 2:1
Status LED: compressor active
Headphone Output:
Type: 2-channel
Compatibility: intended for connection to stereo
(dual-channel) or monaural (single-channel) head-
sets with nominal impedance of 50 ohms or greater
Maximum Output Voltage: 2.8 Vrms, 1 kHz,
150 ohm load
Frequency Response: 20 Hz to 10 kHz, –3 dB
Distortion (THD+N): <0.002%
Dynamic Range: >100 dB
Call Receive Function:
Implementation: monitors both Dante receiver
(input) channels for presence of call signals
Signaling Method: 20 kHz, ±800 Hz, within audio
channels
Call Receive Level: –27 dBFS minimum
Connectors:
Headset A: 4-pin male XLR
Headset B: 4-conductor (TRRS) 3.5 mm jack,
per Japanese standard JEITA/EIAJ RC-5325A
Ethernet: Neutrik NE8FBH etherCON RJ45 jack
USB: type A receptacle (located inside Model 373A's
enclosure and used only for application firmware
updates)
Configuration: requires Studio Technologies'
STcontroller software application
Environmental:
Operating Temperature: 0 to 50 degrees C
(32 to 122 degrees F)
Storage Temperature: –40 to 70 degrees C
(–40 to 158 degrees F)
Humidity: 0 to 95%, non-condensing
Altitude: not characterized
Model 373A User Guide
Studio Technologies, Inc.