adventures in homemade flyback bobbins

bobbins for as many channels as I want (It takes a LONG time time slice off the edge of a plastic take out container, it makes a

Alex Goldman Figure Double - slab pot cores The solid center - post cores are useful for power applica- 3

4×4 slot Transformer EF25 Ferrite Core Four Slots Bobbin EF horizontal bobbin Multi section coil former Bobbin Size= Pin pitch=

4 corners of rome slot POT ferrite pot core magnetic pot ferrite core shapes coil core for bobbin $