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Masterpiece 12G-SDI Master Control Switcher

Master Control

The introduction of our Masterpiece 12G-SDI master control switcher illustrates how Grass Valley is continually growing its range of 4K UHD solutions for content production and distribution. Masterpiece 12G-SDI works across multiple formats, includes flexible audio capabilities, channel branding and multichannel video program distribution, as well as dynamic visual effects. With an intuitive and compact control panel, Masterpiece 12G-SDI offers unbeatable master control operation. This is essential in today’s complex master control environments where decisions have to be made quickly by operators across multiple channels to ensure the quality of output that’s required....


  • UHD/1080p/1080i/720p Master Control Switcher
  • 10x 12G-SDI inputs for single link UHD connectivity
  • 40x 1080p/1080i/720p inputs
  • HD or UHD PGM/PST and clean outputs*
  • 4 keyers for channel branding (UHD/1080p/1080i/720p)
  • 4 channels of DVE assignable to backgrounds and keyers
  • Internal clipstore backed up by 1 TB HDD
  • 8-channel AES audio mixer
  • 16-channel audio shuffling for every crosspoint and output
  • Embedding/de-embedding and routing
  • Flexible audio routing
  • Controlled via Grass Valley Morpheus Automation
  • Optional control panel, built-in motorized audio faders
  • HD and UHD processing
  • FormatFusion3 for multiformat workflows
  • DVE functionality for squeeze back and on-air effects
  • Automatic Dolby E detection
  • Voiceovers with automatic level control
  • Control multiple masterpiece mainframes from one control surface
  • Optional MSP software control surface offering the same control features as the hardware panel

* Outputs match operational format — UHD or 1080p only


Video/TV Standards

TV Standards

11.88 Gb/s Video Standards (UHD):

  • SMPTE ST 2082-10
  • 3840x2160p 50 Hz
  • 3840x2160p 59.94 Hz
  • 3840x2160p 60 Hz

2.97 Gb/s Video Standards (1080p):

  • 1080p59.94 SMPTE ST 424
  • 1080p59.94 SMPTE ST 425/Level A
  • 1080p59.94 SMPTE ST 425/Level B
  • 1080p50 SMPTE ST 424
  • 1080p50 SMPTE ST 425/Level A
  • 1080p50 SMPTE ST 425/Level B

1.485 Gb/s Video Standards (HD):

  • 1080i60 SMPTE ST 274(4), SMPTE ST 292(D)
  • 1080i59.94 SMPTE ST 274(5), SMPTE ST 292(E)
  • 1080i50 SMPTE ST 274(6), SMPTE ST 292(F)
  • 1035i60 SMPTE ST 260, SMPTE ST 292(A)
  • 1035i59.94 SMPTE ST 260, SMPTE ST 292(B)
  • 1080p30 sF
  • 1080p29.97 sF
  • 1080p25 sF
  • 1080p24 sF
  • 1080p23.976 sF
  • 1080p30 SMPTE ST 274(7), SMPTE ST 292(G)
  • 1080p29.97 SMPTE ST 274(8), SMPTE ST 292(H)
  • 1080p25 SMPTE ST 274(9), SMPTE ST 292(I)
  • 1080p24 SMPTE ST 274(10), SMPTE ST 292(J)
  • 1080p23.976 SMPTE ST 274(11), SMPTE ST 292(K)
  • 720p60 SMPTE ST 296(1), SMPTE ST 292(L)
  • 720p59.94 SMPTE ST 296(2), SMPTE ST 292(M)
  • 720p50 SMPTE ST 296(2), SMPTE ST 292(M)


Analog genlock high definition tri-level syncs signal or SD 1V B and B


Video Signal Inputs

  • 10x 12G-SDI (SMPTE ST 2082) single link BNC connectors
  • 42x HD/1080p (1.485 Gb/s / 2.97 Gb/s)
  • Serial digital interface as REC601/SMPTE ST 292/SMPTE ST 424 via BNC connectors
  • Genlock reference 2 off Analog Sync (loop A and B through)

Video Signal Outputs

  • 3x 12G-SDI (SMPTE ST 2082) single link BNC connectors
  • 14x HD/1080p (1.485 Gb/s / 2.97 Gb/s)
  • Serial digital interface as REC601/SMPTE ST 292/SMPTE ST 424 via BNC connectors

Audio Signal Inputs

  • 4 AES Diff pair inputs (either as 8x AES mono or 4x AES stereo)
  • 16 program embedded SDI (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
  • 16 preset embedded SDI (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
  • 16 utility embedded SDI (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
  • 8 internal store

Audio Signal Outputs

  • Program 16 embedded SDi (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
  • Preset 16 embedded SDi (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
  • 4 AES Diff pair outputs (either as 8x AES mono or 4x AES stereo)
  • Monitoring 16 embedded SDI (1.5 Gb/s / 3 Gb/s / 12 Gb/s)
Control Interfaces – Automation

Grass Valley Morpheus Automation via TCP/IP connection using proprietary protocol


  • 44 GPI Tally/GPO outputs assignable GPI / GPO isolated contact closures via 2 x 25-way D-Type. Assignable as GPI or GPO
  • 10/100/1000BaseT 3 x RJ45 Ethernet connectors fixings
  • 4x RS-422 control ports
  • 2x USB


  • Masterpiece 12G-SDI mainframe auto-sensing 100-250 VAC power supply
  • 50/60 Hz nominal. Two fully independent hot swappable PSU modules, with separate mains power feeds via 2 x 13A IEC - 320-C14 socket
  • Power consumption: <400W

Environmental Specifications

  • Temp. range: 5 to 40°C (41 to 104°F) non-condensing operation

Mainframe Mechanics

  • 2 RU
  • Height: 87 mm (3.42 in.)
  • Depth: 604.8 mm (23.81 in.)
  • Weight: Approx. 14 kg (30.3 lbs.)
Masterpiece Control Panel
  • Width: 482.6 mm (19 in.)
  • Height: 163.6 mm (6.47 in.)
  • Depth: 265.9 mm (10.47 in.)

Masterpiece Mainframe Communications

  • 10/100/1000BaseT 1 x RJ45 Ethernet connectors fixings
  • 2x RJ45 Ethernet connector fixings — connect to Maverik modules
  • CAT5 or above cables — crossover cables are not suitable
  • 4x USB Ports
  • 1x Monitor connection to local touchscreen


  • 2x fully independent external PSU modules with separate mains power feeds via 2 x 10A IEC leads
  • Output from each PSU 12V DC 100W via Kycon KPPX 4-pin or compatible connectors
  • 2 supplied as standard



Masterpiece 12G-SDI

Total master control and channel branding for all standards up to 4K UHD.

In today's multiformat, multiplatform world — where consumers have access to content anytime and anywhere — demanding higher quality and delivering that content in its absolute best form is a key priority for broadcasters and media companies who want to remain relevant.

With ever-growing market uptake of 4K UHD, those broadcasters embracing the format are starting to see benefits. The dawn of this technology is only going to fuel the accelerating consumer demand for high-quality content anytime, anywhere.



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