Manufacturer Game Plan Availability Game Plan Pinball SSU-2 Sound Board $40.00 Qty: Add to cart Email a friend Question about product? Add to wishlist Details Original Game Plan pinball machine sound circuit board. This one appears to be complete, but has been sitting for many years, so assume it will need some work. We don't know too much about it, what you see is what you get. It is untested and sold as-is.