Manual
Table Of Contents
Issue 5, December 2018 Model 214 User Guide
Page 32 Studio Technologies, Inc.
Specifications
Power Sources:
Power-over-Ethernet (PoE):
class 2 (low power)
per IEEE 802.3af
External: 10 to 18 volts DC, 270 mA max @
12 volts DC
Network Audio Technology:
Type: Dante audio-over-Ethernet
Bit Depth: up to 24
Sample Rates: 44.1 and 48 kHz
Number of Transmitter (Output) Channels:
3 (main, talkback, tally tone/hot mic)
Number of Receiver (Input) Channels: 4
Dante Audio Flows: 4; 2 transmitter, 2 receiver
Analog to Digital Equivalence: a +4 dBu input
with 0 dB gain selected results in a Dante digital
output level of –20 dBFS
Network Interface:
Type: twisted-pair Ethernet, preferably with Power-
over-Ethernet (PoE) support
Data Rate: 100 Mb/s (10 Mb/s Ethernet not
supported)
General Audio Parameters:
Frequency Response:
20 Hz to 20 kHz, +0/–1 dB,
mic input to Dante output
Distortion (THD+N): 0.004%, measured at 1 kHz,
–36 dBu mic input, 40 dB gain (Dante output
approximately –20 dBFS)
Dynamic Range: >109 dB, 40 dB gain, A-weighted
Microphone Input/Preamplifier:
Type:
electronically balanced
Input Impedance: 3.7 k ohms
CMRR: >76 dB, 20 Hz to 20 kHz, 40 dB gain
Gain Range: 19 to 64 dB, adjustable in 3-dB steps
EIN:
–123 dBu, 22 kHz bandwidth, 64 dB gain,
150 ohm source resistance
Compatibility: dynamic or phantom-powered mics
Phantom Power:
45 volts DC, nominal, meets IEC
61938 P48 standard
Remote Configuration Capability:
microphone
preamplifier gain and P48 power on/off status
(uses STcontroller application)
Headphone Output:
Type:
2-channel (stereo)
Compatibility: intended for connection to ste-
reo (dual-channel) or monaural (single-channel)
headphones, headsets, or earpieces with nominal
impedance of 50 ohms or greater
Maximum Output Voltage: 3.0 Vrms, 1 kHz,
150 ohm load
Frequency Response:
20 Hz to 20 kHz, ±1 dB
Dynamic Range: >109 dB, A-weighted
Level: adjustable using rotary level control
Tally Tone:
Example Use: provides support for call light
activation on Studio Technologies’ Model 391
Dante Alerting Unit
Type:
sine wave, <0.01% THD+N
Level: –20 dBFS
Frequency:
20 kHz ± 0.1 Hz
Relays Contacts: 2
Functions:
one each follows main and talkback
pushbutton status
Contacts: form A (normally open, not shorted)
Rating: 100 mA, 60 volts AC/DC, maximum
Contact Resistance: 16 ohms, maximum
Access: requires user-implemented connector
scheme
Connectors:
Microphone Input: 3-pin female XLR
Headphone Output: ¼-inch 3-conductor jack
Ethernet: Neutrik etherCON RJ45
External DC: 4-pin male XLR
USB: type A receptacle
Remote Configuration: requires Studio Technolo
-
gies’ STcontroller software application, version
1.05.00 and later (STcontroller compatible with
Windows® version 7 and later)
Spare Connector Locations: 2
Allows Studio Technologies’ cable assemblies or
option modules to be installed. Also compatible with
Neutrik NC*D-L-1 connectors (*=3F, 3M, 5M, 6F,
6FS, etc.).
Dimensions (Overall):
5.6 inches wide (14.2 cm)
3.3 inches high (8.4 cm)
8.5 inches deep (21.6 cm)
Weight:
2.7 pounds (1.2 kg)
Specifications and information contained in this
User Guide subject to change without notice.