I know underpowering a sub can cause damage, but within what ranges? i.e. Will I damage my Orion H2 15" DVC 4ohm by powering it with my XTR800.2 (bridged for 800watts @4ohm) until I can get a bigger amp?
If you set your amp right it'll be no problem, with a properly set amp underpowering a sub is the same as have your volume turned down, but if your amp starts clipping then it will heat up your VC's and cause damage