Granny ring beware that 1500uf usually means high esr.
You don't need 4 caps in series unless you have 1200v B+.
Best is just 4 470 to 560uf arranged in a square quad ie both series and parallel to yield a composite cap of 560uf 900v.
You don't need 4 caps in series unless you have 1200v B+.
Best is just 4 470 to 560uf arranged in a square quad ie both series and parallel to yield a composite cap of 560uf 900v.