Studio Technologies 371A, Руководство пользователя

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Model 371A User Guide Issue 1, June 2018
Studio Technologies, Inc. Page 5
MODEL 371A
INTERCOM BELTPACK
Introduction
The Model 371A Intercom Beltpack
begins with the features offered by
2-channel broadcast-style party-line
intercom user devices then adds support
for traditional single-channel headsets.
Applications that have traditionally de-
ployed single-channel analog party-line
intercom systems from firms such as
Clear-Com® can now easily upgrade to a
high-performance dual-channel system. To
maintain compatibility and user familiarity,
legacy headsets that use a 4-pin female
XLR connector are directly compatible.
The Model 371A includes a range of new
capabilities, along with the advanced per-
formance and flexibility that Dante® audio-
over-Ethernet provides. Over a standard
IP network, multiple Model 371A units
can be used in party-line (PL) intercom
applications with help from an external
Dante-enabled audio matrix such as the
Studio Technologies Model 5422 Dante
Intercom Audio Engine. Alternately, units
can be used “point-to-point” or interfaced
with Dante-compatible matrix intercom
systems.
Only a single Power-over-Ethernet (PoE)
connection is required for operation. Key
user features can be easily configured us-
ing the STcontroller software application.
Configurable parameters include electret
microphone powering, microphone pre-
amplifier gain, sidetone level, and talk
button operation. User features include
microphone dynamic range control, call
function, and remote mic kill (“talk off”).
The wide range of capabilities, along with
the excellent audio quality provided by the
digital audio signal path, offers a unique
and powerful user experience.
Set up and configuration of the Model
371A is simple. An etherCON® RJ45
receptacle is used to interconnect with a
standard twisted-pair Ethernet port as-
sociated with a local-area network (LAN).
This connection provides both power and
bidirectional digital audio. A broadcast
or intercom-style headset with a dynamic
or electret (low-voltage DC-powered)
microphone interfaces with unit using a
4-pin XLR connector. The Model 371A’s
enclosure is made from an aluminum alloy
which offers both light weight and rugged-
ness. A stainless steel “belt clip,” located
on the back of the unit, allows direct at-
tachment to a user’s clothing.
The audio quality of the Model 371A’s
audio channels is excellent, with low
distortion, low noise, and high head-
room. Careful circuit design and rugged
components ensure long, reliable opera-
tion. A wide range of applications can
be supported, including theater facilities,
over-the-air and streaming broadcasting,
Figure 1. Model 371A Intercom Beltpack top and bottom views