Audio Transformer, 10pcs/Pack 600 : 600 Ohm 1:1 EI14 Isolation Transformer Audio Transformers

in the world of pro audio we hear the word transformers a lot some products like microphones and preamps tout their use of transformers while others proudly proclaim they use a transformer list design so what are transformers they look like this or this or this sometimes they're in cases or wrapped in tape transformers do a lot of different jobs they step levels up or down like increasing the output level of a microphone or bringing an instrument down to mic level they balance inputs and outputs match impedance eliminate ground loops block DC while passing audio and the list goes on a transformer is just two long wires wrapped around one magnetic core signal passes from one wire to the other but the wires don't touch what sorcery is this it's a funny feature of our universe called electromagnetism where electric current creates magnetic fields and vice-versa the electrical current runni