Manual

Model 371A User Guide Issue 2, August 2019
Studio Technologies, Inc. Page 21
MODEL 371A
INTERCOM BELTPACK
Specifications
Power Source:
Power-over-Ethernet (PoE):
class 1 (very low
power, ≤3.84 watts) per IEEE® 802.3af
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:
2
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)
Audio Channels: 2 talk, 2 listen
Microphone Input:
Compatibility: dynamic or electret (low-voltage
DC-powered) microphones
Type: unbalanced
Electret Microphone Power:
5 volts DC via 2.21 k
resistor, selectable on/off
Gain: 22, 30, 42, or 48 dB, selectable, ref. –60 dBu
input to Dante output (–20 dBFS nominal)
Frequency Response:
50 Hz to 10 kHz, –3 dB
Distortion (THD+N): <0.02%
Dynamic Range: 75 dB
Compressor:
Threshold: 1 dB above nominal level (–19 dBFS)
Slope: 2:1
Status LED: compressor active
Headphone Output:
Type:
single-channel (sum (combination) of audio
input 1 and audio input 2)
Compatibility: intended for connection headsets
with nominal impedance of 50 ohms or greater
Maximum Output Voltage:
3.8 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 Function:
Signaling Method: 20 kHz, ±800 Hz, within audio
channels
Call Send Level: –20 dBFS
Call Receive Level: –27 dBFS minimum
Connectors:
Headset: 4-pin male XLR (Associated headset re-
quires cable-mounted 4-pin female XLR connector
wired with pin 1 mic –/shield/screen; pin 2 mic +;
pin 3 headphone –; and pin 4 headphone +)
Ethernet: Neutrik NE8FBH etherCON RJ45
receptacle
USB: type A receptacle (located inside l 371A’s
enclosure and used only for application firmware
updates)
Configuration: requires Studio Technologies
STcontroller software application, version 2.02.00
and later (STcontroller is compatible with Windows
version 7 and later)
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
Dimensions (Overall):
3.6 inches wide (9.2 cm)
1.6 inches high (4.0 cm)
4.8 inches deep (12.6 cm)
Mounting: intended for portable applications; con-
tains integral belt clip; optional MBK-01 Mounting
Bracket Kit allows Model 371A to be permanently
mounted
Weight:
0.6 pounds (0.3 kg)
Specifications and information contained in this
User Guide subject to change without notice.