Heavy platter Lenco, or, its stateside cousin, the Bogen-Lenco heavy platters. They make great builders.
The included images are a conversion that I did from a light platter Bogen-Lenco B51, to, a heavy platter B51mod; and added 150+lbs of soapstone plinth.
forgot to mention,..
an incredible support community. anyone can do this!
https://www.lencoheaven.net