No longer available. Polar Fringe is an analog chroma key generator with a continuously variable soft edge surrounding its location the colorspace. With wide bandwidth voltage control over all four parameters, it’s hard to draw the line between chroma keyer, a complex 2D processor, or even a de-colorizer. Welcome to the fringe. Width, 16HP Mounting Depth, 36mm Power +12V @ 125mA Power -12V @ 130mA Info Sheet (PDF)User Reference Cards (PDF)