Description
Ferrite toroids, actually. (The Iron Doughnuts was the house band at the Fillmore West in '66.) These doughnuts are for making transformers and filters and other magnetic magic. Ours measure 1-5/16" x 11/16" x 1/2".
Ferrite toroids, actually. (The Iron Doughnuts was the house band at the Fillmore West in '66.) These doughnuts are for making transformers and filters and other magnetic magic. Ours measure 1-5/16" x 11/16" x 1/2".