This is the capacitor upgrade bord for the Heathkit SB-220/221 and it will mount in the same compartment that original caps were stacked in using 4 little l brackets, and it wires up the same as the original.
This is the capacitor upgrade bord for the Heathkit SB-220/221 and it will mount in the same compartment that original caps were stacked in using 4 little l brackets, and it wires up the same as the original.
