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Kramer VP-28
14-Input Multi-Format Presentation Switcher with Stereo Audio


The VP-28 is a high-performance multi-format presentation switcher for composite video, HDMI, DVI, DisplayPort, computer graphics video and stereo audio and micrphone signals.
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List Price: $2,095.00
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Kramer VP-28
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The VP-28 is a high-performance multi-format presentation switcher for composite video, HDMI, DVI, DisplayPort, computer graphics video and stereo audio and micrphone signals. The unit operates as a a 3x1 composite video, 3x1 HDMI, 3x1 computer graphics video, 3x1 DVI-I, & 2x1 DisplayPort switcher, each with unbalanced stereo audio.

Kramer VP-28 Features:

  • Max. Data Rate-  6.75Gbps (2.25Gbps per graphic channel) (HDMI & DVI).
  • HDTV Compatible.
  • HDCP Compliant.
  • Audio Level Memory -  Remembers and returns to the last audio level setting during switching.
  • Condenser or Dynamic Microphone - Button selectable.
  • Microphone & Audio Mixing - Input selectable master audio output.
  • Mic Talkover - Mutes master audio output when mic signal is sensed.
  • Level Controls - Master audio output, microphone input.
  • Flexible Control Options - Front panel, RS-232, Ethernet & IR (included).
  • Front Panel Control Lockout.
  • Worldwide Power Supply - 100-240V AC.
  • Accessory - DVI to DVI and VGA breakout cable (included).
  • Standard 19” Rack Mount Size - 1U. Rack “ears” included.

Kramer VP-28 Specifications:

  • Video Inputs: 
    • 3 composite video on RCA connectors
    • 3 HDMI connectors
    • 2 DisplayPort connectors
    • 3 PC/DVI on DVI connectors  
  • AudioInputs: 
    • 1 mic on an XLR connector
    • 1 mic on a 6.3mm phone jack connector (3mV/10kW condenser/dynamic)
    • 3 CV, 3HDMI, 2 DP, 3 PC audio, 3 DVI, all unbalanced stereo audio on 3.5mm mini jack connectors   
  • Video Outputs: 
    • 1 composite video on an RCA connector
    • 1 HDMI connector
    • 1 DisplayPort connector
    • 1 PC/DVI on a DVI connector  
  • Audio Outputs: 1 CV, 1 HDMI, 1 DP, 1 PC audio, 1DVI, all unbalanced stereo audio on a 3.5 mm mini jack connectors; 1 master balanced stereo audio on a 5-pin terminal block.
  • Max Output Level: Video: CV: 1.7Vpp, XGA: 2.3Vpp; Audio: Master: 17Vpp from mic, 12.4Vpp from line in, Local outputs:8.8Vpp from line inputs.
  • Bandwidth (-3dB): Video: CV: 680MHz, XGA: 290MHz(–4dB 400MHz); Audio: >25kHz.
  • Diff. Gain: Video: CV: 2.5%, XGA: 0.1%.
  • Diff. Phase: CV: 0.4Deg, XGA: 0.1Deg.
  • K-Factor: CV: <0.05%, XGA: <0.05%.
  • S/N Ratio: Video: CV: 74dB, XGA: 71dB @5MHz; Audio: Master: 81dB from mic (@20mVpp input, 17Vpp output diff, “A” weighting,XLR microphone), 90 to 95dB from line in (“A” weighting), Local outputs: 110dB(“A” weighting).
  • Crosstalk @1kHz (all hostile): Video: CV: –54dB, XGA: –56dB (5MHz); Audio: Master: –70dB, Local outputs: –80dB from line in.
  • Controls (Level Range): MASTER: <–12 to 70dB from mic, –79 to +15dB from line in.
  • Coupling: Video: CV: DC, XGA: DC; Audio: AC.
  • Audio THD + Noise: Master: 0.4% from mic, 0.02%from line in (“A” weighting); Local outputs: 0.04% from line in.
  • Audio 2nd Harmonic: Master: 0.03% from mic, 0.01% from line in; Local outputs: 0.02%.
  • Compliance with HDCP Standard: Supports HDCP.
  • Maximum Bandwidth DP to HDMI: One or two lane (1.65Gbps per lane).
  • Indicator LEDs: IR.
  • Power Consumption: 90–264V AC, 23VA.
  • Operating Temperature: 0° to +55°C (32° to131°F).
  • Storage Temperature: -45° to +72°C (-49° to162°F).
  • Humidity: 10% to 90%, RHL non-condensing.
  • Dimensions: 19” x 7.35” x 1U (W, D, H) rackmountable.
  • Weight: 3.97 lbs (1.8 kg) approx.
  • Accessories: Power cord, rack “ears”, Kramer infrared remote control transmitter, Kramer ADC-DM/DF+GF DVI to DVI and VGA breakout cable.
  • Options: Kramer C-MDMA/MGMA DVI/VGA/audio breakout cable.

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