• High quality signal over wide frequency band• Resin encapsulated in glass filled nylon case• Foil interwinding screen• Industry standard 0•1in. grid spacing• Optional Mu-metal, a nickel-iron alloy, screening can (Maplin Code: A30QF) High performance, industry standard PCB mounting audio frequency transformer. The dual primary & secondary windings provide a range of impedance matching ratios to suit many input, interstage & output applications.