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Kramer VP-81KSi

8:1 VGA & Stereo Audio Step-In Switcher with RS-232 and Ethernet control

£623 (£747.60 inc. VAT)
Availability: In stock

Kramer VP-81KSi Description

The Kramer VP-81KSi is a high performance analogue step-in switcher for computer graphics video with resolutions up to WUXGA and unbalanced stereo audio signals. The unit can switch any one of eight inputs to one computer graphics video, one unbalanced and one balanced stereo audio and one twisted pair output. The VP-81KSi works in conjunction with up to eight VGA Remote Control Step-in Modules including the Kramer SI-1VGA (for TBUS-10), SI-VGAT (under the table) and WSI-1VGA (for standard TBUSes).

Kramer VP-81KSi Key Features

  • High Bandwidth - 440MHz (-3dB), CAT 5 (Rec Out) up to WUXGA.
  • HDTV Compatible.
  • Kr-isp® Advanced Sync Processing - Ensures compatibility with a wide range of computers (even if the sync level is too low) by restoring the sync signal waveform.
  • Remote Step-In Switching - Up to 8 users, connected through SI-1VGA remote input/switching step-in modules, can each step in to switch the input to the local remote PC.
  • EDID Pass–through - Pass–through algorithm ensures Plug and Play operation for analogue source and display systems.
  • Multiple Unit Cascade - Cascades up to 8 units to create a "virtual" switcher of up to 57 inputs.
  • Audio Switching Modes - Audio-Follows-Video (AFV) and audio breakaway switching.
  • Multiple Control Options - Front panel, remote step-in panels, RS-232 (K-Router™ Windows®-based software is included), RS-485, Ethernet via a built-in Web server, contact closure & IR remote (included).
  • Universal Power Supply - 100-240V AC.
  • 7 year warranty (Click Here for details)


Kramer VP-81KSi Specifications

Inputs 8 x UXGA on 15-pin HD (F) connectors, 8 x unbalanced stereo audio on 3.5mm mini jacks
Outputs 1 x UXGA on 15-pin HD connector, 1 x twisted pair on RJ-45 x connector, 1 x unbalanced stereo audio on a 3.5mm mini jack, 1 x balanced audio stereo on a 5-pin detachable terminal block
Max. Output Level Video: 2Vpp
Audio: stereo unbalanced 7.8Vpp, stereo balanced 15.6Vpp differential
Bandwidth (-3db) Video: out 440MHz, CAT 5 (Rec Out) 150MHz
Audio: stereo unbalanced 20kHz, stereo balanced 20kHz
Video Resolution VGAtoWUXGA
Diff. Gain XGA: 0.04%
Diff. Phase UXGA: 0.07Deg
K Factor UXGA: 0.2%
S/n Ratio Video: UXGA 68.3dB @5MHz
Audio: stereo unbalanced 74dB @1KHz, stereo balanced 74.4dB @1kHz
CAT 5 (Rec Out) 69.8dB
Crosstalk (all Hostile) Video: UXGA - 52dB @5MHz
Audio: local stereo unbalanced - 73dB @1KHz, local stereo balanced <72dB @1kHz
Volume Control Audio: stereo unbalanced - 65.4 to 25.8dB
stereo balanced - 59.4 to 31.8dB
Coupling Video: UXGA-DC, TP Out-DC
Audio: stereo unbalanced-In AC, Out DC, stereo balanced-In AC, Out DC
Audio THD + Noise Stereo unbalanced 0.08%, stereo balanced 0.08%
Audio 2nd Harmonic Stereo unbalanced 0.001%, stereo balanced 0.001%
Power 100-240V AC 50/60Hz, 29VA
In The Box VP-81KSi, Power cord, Windows based Kramer control software, RC-IR3 infrared remote control transmitter, one SI-1VGA remote step-in module, rack "ears"
Options External remote IR receiver cable, 15m extension cable, SI-1VGA remote step-in module
Product Dimension 19"x7.20x1U (43.6cmx18.30cm 4.36cm) WxDxH
Product Weight 1.9kg (4.1lbs) approx.
Shipping Dimension 55.00cmx27.60cmx10.70cm (21.65"x10.87"x4.21") WxDxH
Shipping Weight 2.7kg (6.0lbs) approx.

Kramer VP-81KSi Usage Diagram



Kramer VP-81KSi Usage Diagram


Kramer VP-81KSi Compatible Products

Product CodeDescriptionPriceInc. VAT
Kramer SI-1VGA Remote Control Step-In module for VP-81KSi £54 £64.80



Kramer VP-81KSi Optional Cables

DescriptionLengthPriceInc. VAT
Kramer C-GM/GM-100 Molded Male VGA -> Male VGA 30.5m £77 £92.40
Kramer C-GM/GM-125 Molded Male VGA -> Male VGA 38.1m £93 £111.60
Kramer C-GM/GM-15 Molded Male VGA -> Male VGA 4.6m £25 £30.00
Kramer C-GM/GM-150 Molded Male VGA -> Male VGA 45.7m £113 £135.60
Kramer C-GM/GM-25 Molded Male VGA -> Male VGA 7.6m £25 £30.00
Kramer C-GM/GM-3 Molded Male VGA -> Male VGA 0.9m £8 £9.60
Kramer C-GM/GM-35 Molded Male VGA -> Male VGA 10.6m £30 £36.00
Kramer C-GM/GM-50 Molded Male VGA -> Male VGA 15.2m £40 £48.00
More Cables for the Kramer VP-81KSi