Before revision: On the other hand, it is often built using op-amps that are not designed to drive loads as low as headphones, leading to poor performance and audible differences between op-amps that would not exist in a good design.Op Amps: Myths & Facts- "Some op amps have been judged in the wrong applications.
After revision: On the other hand, it is often built using op-amps that are not designed to drive loads with as low an impedance as headphones, leading to poor performance and audible differences between op-amps that would not exist in a good design.Op Amps: Myths & Facts- "Some op amps have been judged in the wrong applications.