Tecnical links

Projection calculation

Projection calculator, standard zoom lens

http://panasonic.net/avc/projector/calculator/html/aspct43/lb90.html

Projection calculator, 0.8 lens

http://panasonic.net/avc/projector/calculator/html/aspct43/d6000_080.html

 

Speaker cable loss calculator

http://www.fuzion.co.uk/Support/Calcs/Calcs/cableloss.aspx?Title=Loudspeaker%20Cable%20Power%20Loss%20Calculator