i've seen these electronic "invisible pet shields" which transmit some sort of signal when your pet approaches the forbidden zone. marginally more humane than some of the other proposed solutions. i'd check whether they'd interfere with any of your a/v gear.
what to do with my cat on my speaker grills
my cat asia has decided to use my vienna mozart grands to claw on the grills. no major damage.. i use the speaker box packing to protect my speaker grills, but at times the little #$^&$# get to them....anybody have a sugestion and does anybody have this problem...simeese cats are a odd bread..lol