Model 371A User Guide
Issue 1, June 2018
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, configured for dynamic microphones:
42 or 48 dB, selectable, ref. –60 dBu input to Dante
output (–20 dBFS nominal)
Gain, configured for electret microphones:
22 or 30 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 hea)
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 1.06.00
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.
Содержание 371A
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