I have seen his signature schecter, Its a take on Paul Stanleys Ibanez Iceman. Its gonna be cool. He is an awesome artist that Schecter is lucky to have endorsing them.
According to Abbath himself, she pronounced it right. Or close to it. It's also ABB-ETH. She didn't say "Uh-bath" or "Eh-bath". He would have corrected her if she did.