i have a customer with two 15 inch beyond audio subwoofers with no numbers on them which we are trying to build a box for. they are black cones with black dustacaps with foam surrounds and double stacked magnets.they have a oval logo with an "x" on them , any ideas??

 

x-one's good luck finding specs
try calling Perfect Tones in Milton they used to deal with Beyond Audio

 

does anyone know how to contact perfect tones?

 

Give them a call... 905-878-9956.

They'll definitely be able to help you out!

 

Try looking up Donald Hebig in Regina I believe......hes the man who made them.