I recently obtained a pair of 4425 Studio Monitors from the late 80's. Now that the woofers have been re-foamed, a couple of questions:

The cabinets are in great shape, but appear dried out. Should I use linseed or tung oil on the veneer, or what?

No matter where I put them in a large, vaulted listening room, no matter how high off the floor, there is a strong bass underline. A giant, one-note boom. Is this normal for a 4425? Could the refoaming or age of the speakers cause this?

Otherwise they're great home theatre speakers. Thanks.