Kramer VP-28 14-Input Multi-Format Presentation Switcher with Stereo Audio
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Kramer VP-28 14-Input Multi-Format Presentation Switcher with Stereo Audio
ยี่ห้อ : Kramer
รุ่น : VP-28
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
VIDEO INPUTS:
3 composite video on RCA connectors,
3 HDMI connectors,
2 DisplayPort connectors,
3 PC/DVI on DVI connectors.
AUDIO INPUTS:
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, 1 DVI, all unbalanced stereo audio on a 3.5mm 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.
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%.
HDMI,VGA,AV Switch - KRAMER 
