These coils were used for measurements and development of JF coils.
 In perfect condition.
 
Sold in Pairs 
 
Dayton Audio 16 gauge copper foil inductors are for those of us who demand the very best in audio components. Copper foil inductors offer better heat dissipation, reduced voltage stress, and greater mechanical strength than round-wire inductors.
Key Features
Refined copper foil for better heat dissipation and mechanical strength
Superior inductive properties versus round-wire inductors
Simply the ideal inductor
350 watts RMS power handling