Kramer 8x8 Composite Video and Balanced Stereo Audio Matrix Switcher

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The VS-848 is a high-performance matrix switcher for composite video and balanced stereo audio signals. Switching during the vertical interval ensures glitch-free switching with genlocked sources.

  • Bandwidth - 200MHz (-3dB) fully loaded.
  • Control - Front panel, RS-232 (K-Router™ Windows®-based software is included), RS-485, & IR Remote (included) & Remote IR receiver (optional).
  • Take Button - Executes multiple switches all at once.
  • Memory Locations - Stores multiple switches as presets (salvos) to be recalled and executed when needed.
  • Audio Breakaway Switching.
  • Vertical Interval Switching.
  • Switching Synchronization - Synchronizes either to external reference or the incoming video.
  • Selectable Sync Signal Termination.
  • Standard 19” Rack Mount Size - 2U.


INPUTS: 8 composite video, 1Vpp/75ohm on BNC connectors; 1 sync/video genlock 1Vpp/75ohm with sync select switch; 8 balanced stereo audio, +4dBu/33kohm on detachable terminal blocks.
OUTPUTS: 8 composite video, 1Vpp/75ohm on BNC connectors; 8 balanced stereo audio, +4dBu/50ohm (24Vpp max) on detachable terminal blocks.
MAX. AUDIO: 24Vpp (>20dBu).
DIFF. GAIN: 0.05%.
DIFF. PHASE: 0.03Deg.
K-FACTOR: <0.05%.
VIDEO S/N: 74dB.
AUDIO S/N: 84dB unweighted (1Vpp).
AUDIO THD: 0.025% (1V, 1kHz).
2nd HARMONIC: 0.013%.
SWITCHING: Vertical interval.
CONTROL: Manual, RS-232, RS-485, IR remote (included).
POWER SOURCE: 230V AC, 50/60Hz, (115V AC, USA) 14VA.
DIMENSIONS: 19" x 7" x 2U (W, D, H) rack mountable.
WEIGHT: 3.5kg (7.8lbs) approx.
ACCESSORIES: Power cord, Windows®-based control software, null-modem adapter, IR remote control.

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