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Studio Technologies Model 74/75 StudioComm 5.1 Surround Monitor System

 
  • Dale #:

    STUD-M74M75
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Description

StudioComm 74 / 75 Surround sound Monitoring System with TalkbackThe StudioComm for Surround Model 74 Central Controller and Model 75 Control Console work together to provide 5.1 surround and stereo source monitoring capabilities, along with a full-featured headphone "talkback" cue system. The sy... Read More

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Description

StudioComm 74 / 75 Surround sound Monitoring System with Talkback

The StudioComm for Surround Model 74 Central Controller and Model 75 Control Console work together to provide 5.1 surround and stereo source monitoring capabilities, along with a full-featured headphone "talkback" cue system. The system is a perfect fit for contemporary facilities that need to perform a variety of audio tasks. These can include surround and stereo mixing and monitoring, live recording of voice, music, and sound effects, and on-air broadcast applications. The system's features were carefully selected to provide extensive capabilities while remaining simple to operate. Of overriding concern is maintaining the quality of the connected audio sources. This is accomplished using a combination of excellent circuit design and carefully selected components. The Model 74/Model 75 combination is ideal for adding surround monitoring capability to disk-based recording systems. It's also well suited for upgrading a post-production or broadcast facility to support multi-channel monitoring.

Overview

A complete StudioComm for Surround 74/75 system begins with the Model 75 Control Console, a compact user control surface that is intuitive and comfortable to use. It is designed to reside at the operator's location. The Model 75 connects to the Model 74 Central Controller using a single 9-pin cable. Occupying one rack space, the Model 74 provides all audio input and output circuitry, signal routing and control, and power supply functions. To complete the system up to four Model 35 Talent Amplifier modules can be added. These connect to the Model 74 using standard 3-pin XLR-type audio cables. Model 35 units are typically deployed in voice-over booths, studio areas, or other locations where voice or music talent needs access to a headphone cue feed. Each unit provides a stereo audio amplifier, user controls, and support for one or two pairs of headphones.

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Product Specs

Model 74 Central Controller  
General Audio  
Frequency Response20 Hz-20 kHz ±0.1 dB (down 0.5 dB @ 60 kHz), monitor outputs
Distortion0.04%, measured at 1 kHz, +4 dBu, monitor outputs
S/N Ratio87 dB, ref +4 dBu out, 20 Hz-20 kHz, monitor outputs
Crosstalk78 dB, typical, ref +4 dBu in, 20 Hz-20 kHz, monitor outputs
Audio Inputs 16
Configurationtwo 6-channel "5.1" inputs and two 2-channel "stereo" inputs
Typeelectronically balanced, compatible with balanced or unbalanced sources
Impedence24 k ohms
Nominal Level–12 dBV to +6 dBu, adjustable
Level Calibration15-turn trim potentiometers
Monitor Outputs 2
Configuration6-channel
Typeelectronically balanced, compatible with balanced or unbalanced loads
Maximum Level+27 dBu into 10 k ohms, +26 dBu into 600 ohms
Talent Amplifier Output  
Compatibilityprovides power and audio signals for up to four Model 35 Talent Amplifiers
TypeDC power with two channels of unbalanced audio
Connectionscommon on pin 1, DC (+27 volts nominal, 200 milliamperes maximum)modulated with channel 1 audio (–10 dBu nominal) on pin 2, and channel 2 audio (–10 dBu nominal) on pin 3
Line-Level Cue Output  
Configuration1, stereo
Nominal Level+4 dBu, nominal
Typeelectronically balanced, capacitor-coupled, intended to drive balanced or unbalanced loads of 600 ohms or greater
Source Impedance100 ohms, nominal
Maximum Level+20 dBu into 10 k ohms
Line-Level Talkback Input  
Level+4 dBu, nominal
Typeelectronically balanced
Impedance24 k ohms, nominal
Infrared Receiver Input  
Typeintended for use with industry-standard receiver module; data rate 650 baud
Remote Control  
Inputs4
Type+5 volts DC logic, activates on closure to system common
Functionsmute, dim, talkback, input select
Downmix  
Functions5.1 to stereo, stereo to mono (mono-to-left-and-right, mono-to-center)
5.1 to StereoLS @ –3 dB summed with L; RS @ –3 dB summed with R, C @ –6 dB summed with L and R; LS, RS, and LFE monitor outputs mute
Stereo to Mono (Mono-to-Left-and-Right)L summed with R to L and R or L summed with R to C; attenuation independently configurable; C, LS, RS, and LFE monitor outputs mute
Stereo to Mono (Mono-to-Center)L summed with R to C; attenuation independently configurable; L, R, LS, RS, and LFE monitor outputs mute
Stereo to Mono (Mono-to-Center) Bandpass Filter  
Response–3 dB @ 100 Hz and 5 kHz, nominal,
12 dB/octave
Connectors  
Audio4, 25-pin D-subminiature female
Talent Amplifier Output3-pin male XLR-type
To/From Model 75: 9-pin D-subminiature female
Remote Control Inputs9-pin D-subminiature female
Infrared Receiver Input3.5 mm 3-conductor jack
Functions+5V logic, activates on closure to system common
AC Mains  
Requirement100, 120, or 220/240 V, ±10%, factory configured, 50/60 Hz, 26 watts maximum
Connector3-blade, IEC 320 C14-compatible (mates with IEC 320 C13)
Physical  
Dimensions (Overall)19.00 inches wide (48.3 cm)
1.72 inches high (4.4 cm)
9.58 inches deep (24.3 cm)
Mountingone space in a standard 19-inch rack
Weight9.5 pounds (4.3 kg)
Model 75 Control Console  
Applicationsupports Model 74 Central Controller
Powerprovided by Model 74 Central Controller
Output Datagenerates MIDI system-exclusive messages
Connector9-pin D-subminiature female
Dimensions (Overall)7.20 inches wide (18.3 cm)
2.20 inches high (5.6 cm)
5.40 inches deep (13.7 cm)
Weight1.8 pounds (0.82 kg)

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