The IVC 871P is a reel-to-reel video tape recorder that uses a proprietary 1-inch format developed by International Video Corporation (IVC). This professional-grade machine was used mostly in the production industry.
The helical scan 1-inch IVC video system (the 800-series was introduced around 1967).
All IVC 1-inch VTRs have a 5,0 MHz bandwidth with 400 lines monochrome (b&w), and 300 lines color resolution.