New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
You can purchase an aftermarket crossover for a 1200 8v. Just google it, several choices available.
I know that Chad. But at twice the price, literally. He's Australian and I'd like to support local, and he's one man band and does lovely work.