The bar on Charter Square in the city centre, at the back of Debenhams, later became rebranded as another nightspot called Nylon. The area has been completely revamped now in the Heart of the City project.
We pulled together this retro gallery of pictures taken at the Matrix. Can you spot any familiar faces?
![Bar Matrix pictured in September 2004, when police were checking out city centre nightspots for under-age drinkers](https://www.thestar.co.uk/webimg/b25lY21zOjdiYzY0ZTA0LTljNWQtNDI5MS1iMWQyLTRhNzBhYzg3NmE1MDo2ZWQyNDBlOS01ZTM2LTQ3MzItOThmMC0yNDI5MDk0OTZiYmM=.jpg?crop=3:2&width=640)
9. Bar Matrix
Bar Matrix pictured in September 2004, when police were checking out city centre nightspots for under-age drinkers Photo: Andrew Partridge
![Andy Thorpe, Abbas Arenzoo, Alan Monkhouse and 'Lenny' at Matrix in February 2002](https://www.thestar.co.uk/webimg/b25lY21zOjJkZDRhYmM4LTg0ODItNDAzYi05MmVlLTM4YTY0NWYwODdhMDoxMDYzNTFiZC1lMWQ2LTQ0NDEtYTgwNi01MjhlNjgzNDg5Zjg=.jpg?crop=3:2&width=640)
10. Lads' night out
Andy Thorpe, Abbas Arenzoo, Alan Monkhouse and 'Lenny' at Matrix in February 2002 Photo: Jon Enoch
![Will Jackson, left, and Robert Geary at Matrix in February 2002](https://www.thestar.co.uk/webimg/b25lY21zOjcxZWM4MjUwLTYyYzEtNGJjNC1iMDk1LTc4MDg5ZmE1NDkyMToxZDUwZTg4NS1mY2Q5LTQ5ZTQtODA0ZS0wM2I3MmE1NWMwYTY=.jpg?crop=3:2&width=640)
11. At the double
Will Jackson, left, and Robert Geary at Matrix in February 2002 Photo: Jon Enoch
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