Studio Technologies Model 780-03 Central Controller with Model 790 Control Console

ITEM #: STCH-M78003-M790 MFG #: M780-03 AND M790

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M780-03 AND M790 - Overview

The Model 780-03 system provides digital inputs and analog and digital outputs.

Creating and distributing eight channel (7.1) surround audio material has become common for entertainment, cinema, and allied applications. As such, the ability to simply and effectively monitor these sources is imperative during the recording and post-production process. Studio Technologies has addressed these needs with the StudioComm for Surround Model 780-03 Central Controller and the Model 790 and Model 71 Control Consoles. With digital audio inputs, digital and analog monitor outputs, support for multiple user control surfaces, and an extensive set of resources it's a simple task to integrate a monitoring system into virtually any facility. The carefully selected group of features, including two surround (7.1) and one stereo input, configurable input-source time delay, LFE low-pass filter, multiple pre- and post-fader surround outputs, configurable downmix and mute/solo functions, and bass management, along with a multi-format sync input, make the system powerful yet simple to operate. And by using the best of contemporary technology, as well as following rigorous design practices, the system's audio quality is excellent.

  • Features:

    • 7.1 surround and stereo balanced digital audio inputs
    • 7.1 surround balanced digital and 7.1 surround analog outputs
    • Balanced digital audio capability
    • Allows use of multiple control consoles
    • Superior audio quality
     
  • Specifications:

    • Model 780-03 Central Controller:
    • General Audio:
    • Supported Sample Rates: 44.1, 48, 88.2, and 96 kHz
    • Word Length: 24 bits maximum
    • Internal Processing: 32 bits
    • Input-to-Output Latency: two samples (e.g., 0.042 milliseconds @ 48 kHz sample rate)

      Digital Audio Inputs: 3 (18 audio channels total)
    • Configuration: two surround (7.1) and one stereo
    • Type: balanced AES3 (110 ohms, 5 Vpp)
    • Connector-Surround Inputs: 25-pin female D-subminiature (DB-25F), AES59-2012 compliant
    • Connector-Stereo Input: 3-pin female XLR

      Sample Rate Conversion (SRC):
    • Application: available on the stereo input
    • Input Sample Rate Range: 8 to 216 kHz, limited to 1/6 to 6 times the output sample rate
    • Latency: 1 millisecond, nominal
    • LFE Input Channel Low-Pass Filter: -6 dB @ 120 Hz, 48 dB-per-octave, on/off selectable
    • Sync Source: configured to follow L/R of currently selected input or signal connected to sync input

      Sync Input:
    • Compatible Sources: word clock, DARS (AES11), bi-level video, tri-level video
    • Jitter: 4 ns pp maximum
    • Connector: BNC (per IEC 60169-8 Amendment 2)
    • Termination: 75 ohms, selectable on/off

      Digital Monitor Outputs: 16 channels (8 pairs)
    • Configuration: organized as two surround (7.1), one pre-fader, and one post-fader
    • Dynamic Range: >135 dB
    • Type: balanced AES3 (110 ohms, 5 Vpp)
    • Connector: 25-pin female D-subminiature (DB-25F), AES59-2012-compliant

      Analog Monitor Outputs: 8
    • Configuration: organized as one surround (7.1), post-fader
    • Type: electronically balanced, source impedance 200 ohms
    • Nominal Level: +4 dBu @ -20 dBFS input source and level control at maximum setting
    • Maximum Level: +24 dBu into 2000 (2 k) ohms or greater
    • Frequency Response, Digital Inputs to Analog Monitor Outputs: 10 Hz-20 kHz +0.0/-0.3 dB @ 48 kHz sample rate; -3 dB @ 64 kHz
    • Distortion (THD+N): <0.002%, -1 dBFS, 20-22 kHz, 22 kHz bandwidth
    • Dynamic Range: >116 dB
    • Crosstalk: -98 dB at 1 kHz; -97 dB at 16 kHz, ref -1 dBFS input
    • Connector: 25-pin female D-subminiature (DB-25F), AES59-2012-compliant
    • Configurable Input Delay: 0 to 340 milliseconds @ 48 kHz sample rate (scales up or down depending on actual sample rate)
    • Post-Fader Monitor Output Level Offsets: each surround (7.1) channel independently adjustable in 0.5-dB steps over a ±12-dB range. (Digital and
      analog outputs associated with a specific channel share the same setting.)

      Bass Management:
    • Crossover Frequency and Type: -6 dB @ 40, 50, 60, or 80 Hz, symmetrical for low-pass and high-pass filters, maximally flat
    • Filter Slope: 12 dB-per-octave or 24 dB-per-octave
    • Overall Operation: on/off selectable
    • Downmix Functions: To 5.1, To Stereo, and To Mono

      Control Console Interface:
    • Type: RS-485, 115.2 kbit/s, 8-1-N
    • Polling Interval: 80 milliseconds, nominal
    • Power: 12 Vdc, 500 mA maximum
    • Connector: 9-pin female D-subminiature (DE-9F)
    • Remote Control Inputs: 2
    • Functions: remote mute all, remote dim
    • Type: 3.3 Vdc logic, activates on closure to system common
    • Connector: 9-pin female D-subminiature (DE-9F)

      AC Mains:
    • Requirement: 100 to 240 V, +10/-15%, 50/60 Hz, 15 W maximum
    • Connector: 3-blade, IEC 320 C14-compatible (mates with IEC 320 C13)

      Dimensions:
    • 19.00 inches wide (48.3 cm)
    • 1.72 inches high (4.4 cm)
    • 7.00 inches deep (17.8 cm)
    • Mounting: one space (1U) in a standard 19-inch rack
    • Weight: 3.6 pounds (1.6 kg)

      Model 790 Control Console:
    • Application: up to four Model 790 Control Consoles can be connected to a Model 780-03 Central Controller
    • Power: 12 Vdc nominal (9 Vdc minimum), maximum current 100 mA, provided by Model 780-03 Central Controller

      Control Data:
    • Type: RS-485
    • Data Rate/Format: 115.2 kbit/s, 8-N-1
    • Connector: 9-pin female D-subminiature (DE-9F)

      Dimensions (Overall):
    • 7.20 inches wide (18.3 cm)
    • 2.20 inches high (5.6 cm)
    • 5.40 inches deep (13.7 cm
     

M780-03 AND M790 - Required Accessories

    California Residents:
    WARNING:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov