Offer to meet the buyer halfway, such that a 1500 mile drive becomes a 750 mile drive for each of you, which is do-able in one day.
I know that's not answering the question you asked, but imo it doesn't matter how many audiophiles would or would not drive 1500 miles for your Andras if your potential buyer won't.
I know that's not answering the question you asked, but imo it doesn't matter how many audiophiles would or would not drive 1500 miles for your Andras if your potential buyer won't.