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Kramer Electronics SP-4D 4 Channel HD SDI Synchronizer

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Kramer Electronics

Kramer Electronics SP-4D 4 Channel HD SDI Synchronizer

£5,476.80 (inc VAT) £4,564.00 (exc VAT)

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Kramer Electronics SP-4D (SP4D) 4−Channel HD−SDI Synchronizer


VGA-UXGA & YUV - 15-pin HDHigh Definition Serial Digital Interface - BNCUnBalanced Stereo - 2 RCARS-232 - 9-pin D-SubCompatible with HDTV Signals -


  • The SP−4D is a synchronizer for serial digital signals up to HD−SDI. The unit synchronizes up to four channels from the dedicated genlock input or any other specified channel.
    • Multi-Standard Operation SDI (SMPTE 259M and SMPTE 344M) & HD−SDI (SMPTE 292M).
    • Inputs 4 SDI video SD, ED and all HD (up to 1080i/60 and 1080p/30), with automatic standard detection.
    • Outputs 4 HD−SDI video (with the same standard group as the inputs), 1 RGBHV/YUV on a 15−pin HD connector, unbalanced stereo audio on RCA connectors.
    • Frame Rate Conversion Does not change the video resolution.
    • Genlock 1 dedicated SDI genlock input with active loop output, common to all four channels or taken from any specific channel.
    • Audio Embedder/De-embedder Handles 16 audio channels per input.
    • Flexible Control Options Front panel buttons & RS−232 (K−Router® Windows®−based software is included).
    • Indicators 40−character LCD display, signal and genlock loss LEDs.
    • Worldwide Power Supply 100−240V AC.
    • Size - 19” (1U)




INPUTS: 4 SDI/HD−SDI, 1 genlock 75Ω on BNC connectors.
OUTPUTS: 4 SDI/HD−SDI, 1 genlock 75Ω on BNC connectors, 1 VGA/UXGA port on a 15−pin HD connector (YUV/RGB selectable); stereo audio on 2 RCA connectors.
CONTROLS: 7 front panel buttons, RS−232.
OPERATING TEMPERATURE: 0° to +55°C (32° to 131°F).
STORAGE TEMPERATURE: −45° to +72°C (−49° to 162°F).
HUMIDITY: 10% to 90%, RHL non−condensing.
INDICATORS: LCD display, 5 input and genlock LEDs.
DIMENSIONS: 19" x 7" x 1U W, D, H.
WEIGHT: 1.81kg (4.0lbs).
ACCESSORIES: Power cord, Windows®−based control software, rack “ears”.

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