Kramer VS-828 8×8 Composite Video & Stereo Audio Matrix Switcher
By: Kramer
Video & Computer Signal Processing Solutions
Kramer : VS-828
Description
The VS828 is a high-performance matrix switcher for composite video and unbalanced stereo audio signals. Switching during the vertical interval ensures the VS 828 provides glitch-free switching with genlocked sources.
Features
VS-828 features include:
- Bandwidth – 100MHz (−3dB) fully loaded.
- Control – Front panel, RS−232 (K−Router™ Windows®−based software is included), RS−485, & IR Remote (included) & Remote IR receiver (optional).
- Memory Locations – Stores multiple switches as presets 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. Rack “ears” included.
Specifications
| Input | 8 composite video on BNC connectors; 1 sync/video genlock with sync select switch; 8 audio stereo on RCA connectors |
| Output | 8 composite video on BNC connectors; 8 audio stereo on RCA connectors |
| Max. Video Output Level | 2Vpp |
| Max. Audio Output Level | /-20Vpp |
| Video Bandwidth (-3dB) | 100MHz |
| Audio Bandwidth (-3dB) | 100kHz |
| Diff. Gain | 0.05% |
| Diff. Phase | 0.03Deg |
| K-Factor | <0.05% |
| Video S/N Ratio | 74dB |
| Audio S/N Ratio | 88dB unweighted (1Vpp) |
| Video Coupling | DC |
| Audio Coupling | AC |
| Video Crosstalk (all hostile) | -50dB @5MHz |
| Audio Crosstalk (all hostile) | Â-71.4dB @1kHz |
| Audio THD Noise | 0.016% (1V, 1kHz) |
| Audio 2nd Harmonic | 0.012% |
| Controls | Manual, RS-232, RS-485, IR remote control |
| Power Source | 230V AC, 50/60Hz (115V AC, USA), 17VA |
| Dimensions | 19″ x 7″ x 2U W, D, H, rack mountable |
| Weight | 3.4kg (7.5lbs) approx |
| Accessories | Power cord, null-modem adapter, Windows®-based control software, IR remote control |
| Control | Front panel, RS-232 (K-Router Windows®-based software is included), RS-485, & IR Remote (included) & Remote IR receiver (optional) |
| Memory Locations | Stores multiple switches as presets to be recalled and executed when needed |
| Audio Breakaway Switching | Yes |
| Vertical Interval Switching | Yes |
| Switching Synchronization | Synchronizes either to external reference or the incoming video |
| Termination | Selectable Sync Signal Termination |
| Size | Standard 19″ Rack Mount Size – 2U |
Resources & Documents
| vs-828.pdf | Datasheet |