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Specifications – Studio Technologies 212 2006 User Manual

Page 35

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Model 212 User Guide

Issue 3, July 2006

Studio Technologies, Inc.

Page 35

Specifications

General Audio:

Frequency Response: < –0.1 dB at 20 Hz, –1 dB
at 18 kHz, mic in/main channel out

Distortion (THD+N): 0.025%, measured at 1 kHz,
mic in/main channel out

S/N Ratio: 71 dB, referenced to –46 dBu mic
in/–14 dBFS out

Common Mode Rejection Ratio: 68 dB at 60 Hz

Connectors:

Mic In: 3-pin female XLR-type

AES3id Out, AES3id In, Bidirectional Interface:
75 ohm BNC

Headphone Out: ¼-inch 3-conductor phone jack

24 Vdc Power In: coaxial power jack, 2.1 x 5.5 mm,
locking bushing, compatible with Switchcraft S760K
plug, center pin positive

Spare Connector Locations: 2

Allows one or two Neutrik NC*D-L-1 connectors to
be installed (*=3F, 3M, 5F, 5M, 6F, 6FS, etc.). Also
compatible with Neutrik EtherCon.

Digital Inputs/Outputs:

A/D, D/A Converters: 24 bit, 100 dB dynamic range

Sampling Rate: internal clock source 48 kHz, exter-
nal clock source 32 to 96 kHz

AES3id In: unbalanced, transformer-coupled
Impedance: 75 ohms
Minimum Input Carrier Amplitude: 320 mVpp
(SPDIF

compatible)

AES3id Out: unbalanced, transformer-coupled
Impedance: 75 ohms
Output Carrier Amplitude (Loaded): 1 Vpp

Bidirectional: unbalanced transformer-coupled
Impedance: 75 ohms
Output Carrier Amplitude (Loaded): 1.75 Vpp
Minimum Input Carrier Amplitude: 320 mVpp

AES3 In: balanced, transformer-coupled (via
optional connector)
Impedance: 110 ohms
Minimum Input Carrier Amplitude: 200 mVpp

AES3 Out: balanced, transformer-coupled (via
optional connector)
Impedance: 110 ohms
Output Carrier Amplitude (Loaded): 3.5 Vpp

Microphone Input/Preamplifier:

Type: electronically balanced

Input Impedance: 2 k ohms, nominal

Gain Range: 10 to 50 dB, nominal, adjustable in
10 dB steps

Compatibility: dynamic or phantom-powered mics

Phantom Power: 48 Vdc, nominal, meets IEC 61938

Compressor:

Threshold: –14 dBFS or –4 dBFS, switch selectable

Attack/Release Time: 2 mSec/100 mSec, nominal

Slope: 5:1, nominal

Status LED: compressor active

Headphone Output: 1, stereo

Compatibility: intended for connection to mono
or stereo headphones or headsets with nominal
impedance of 100 ohms or greater

Type: voltage driver

Maximum Output Voltage: 8 Vpp, 150 ohm load

Auxiliary Relay:

Function: software configurable

Contacts: 2, form C (Common, Normally Closed,
Normally Open)

Rating: 1 A, 30 W (resistive)

Access: requires user-implemented connector
scheme

Power Source:

24 Vdc nominal, 150 mA max @ 24 Vdc; acceptable
range 20-30 Vdc. Units shipped to North America and
Japan include a 120 V input/24 Vdc output power
supply. Units shipped to all other locations include
a universal input/24 Vdc output power supply.

Options: one or two optional cards or connectors
can be installed to provide support for connection
of AES3, line-level balanced or unbalanced audio
sources

Dimensions (Overall):

5.6 inches wide (14.2 cm)
3.3 inches high (8.4 cm)
8.5 inches deep (22.4 cm)

Weight: 3.2 pounds (1.45 kg)

Features and specifications subject to change
without notice.