Specifications – Studio Technologies 5121 User Manual
Page 16
Issue 3, October 2014
Model 5121 User Guide
Page 16
Studio Technologies, Inc.
Model 5121
Line/IFB Output Module
Specifications
Digital Audio Input: 1 (2-channel)
Type: AES3, unbalanced, 75 ohms
Maximum Sample Rate/Bit Depth: 48 kHz/24
Nominal Level: –20 dBFS (Model 5121S);
–18 dBFS (Model 5121E)
Analog Audio Inputs: 2
Type: electronically balanced, capacitor-coupled,
20 k ohms
Nominal Level: +4 dBu (Model 5121S), 0 dBu
(Model 5121E)
Maximum Level: +24 dBu
Analog Inputs to Line Outputs:
THD+N: 0.005% (–86 dB), +4 dBu input, 1 kHz
Frequency Response: ±2 dB, 20 Hz to 20 kHz
Signal-to-Noise Ratio (A-Weighted): 93 dB
Dynamic Range: 113 dB
Crosstalk: 105 dB, +23 dBu in, 1 kHz and 10 kHz
Digital Inputs to Line Outputs:
THD+N: 0.022% (–73 dB), +4 dBu input, 1 kHz
Frequency Response: ±1 dB, 20 Hz to 20 kHz
Signal-to-Noise Ratio (A-Weighted): 82 dB
Dynamic Range: 102 dB
Crosstalk: 98 dB, –1 dBFS in, 1 kHz; 91 dB,
–1 dBFS in, 10 kHz
Digital Inputs to IFB Output, Pin 2:
THD+N: 0.07% (–63 dB), +4 dBu input, 1 kHz
Frequency Response: ±1 dB, 100 Hz to 20 kHz
Signal-to-Noise Ratio (A-Weighted): 64 dB
Dynamic Range: 84 dB
Digital Inputs to IFB Output, Pin 3:
THD+N: 0.03% (–71 dB), +4 dBu input, 1 kHz
Frequency Response: ±1 dB, 20 Hz to 20 kHz
Signal-to-Noise Ratio (A-Weighted): 70 dB
Dynamic Range: 90 dB
IFB Output:
Type: DC power with two channels of unbalanced
audio
Connections: common on pin 1, DC (+28 V
nominal) modulated with channel 1 audio (–10 dBu
nominal) on pin 2, channel 2 audio (–10 dBu
nominal) on pin 3
Maximum Audio Output Level:
Pin 2: +9 dBu with +23 dBu on analog audio
input
Pin 3: +10 dBu with +24 dBu on analog audio
input
DC Current Output: 120 milliamperes maximum
Output Impedance: 200 ohms, nominal
Meters: 2, 7-segment LED, modified VU ballistics
Remote Control:
Data Interface: RS-485 115.2 Kb/s, 8-1-N
Compatibility: Studio Technologies’ Model 5190
Remote Access Module
Functions Supported: input source selection,
input signal level, IFB DC output voltage status
Connectors:
Line and IFB Outputs: 3, 3-pin male XLR
AES3 Digital Audio Input: 1, DIN 1.0/2.3-
compliant coaxial
Analog Audio Inputs: 1, 5-position male header.
Refer to Appendix A for mating connector details.
DC Input/Data: 1, 4-position male header. Refer
to Appendix A for mating connector details.
Power Requirement: 12 volts DC nominal, 600
milliamperes max; acceptable range 10-18 volts
DC, 700 milliamperes max at 10 volts
Dimensions (Overall):
3.75 inches wide (9.5 cm)
1.69 inches high (4.3 cm)
2.30 inches deep (5.8 cm)
Mounting: requires custom implementation;
no mounting method provided. Refer to Appendix B
for details.
Weight: 0.2 pounds (91 g)
Specifications and information contained in this
User Guide subject to change without notice