sdwong
Head-Fier
- Joined
- Mar 26, 2016
- Posts
- 77
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- 19
Not sure why the term balance is use to drive a headphone!
Balance means you have two identical signals that is 180deg apart. Hence we have 3 wires +ve GND -ve. At the receiving end. The singal is subtracted. So that the original signal is double, but any noise that gets into the signal path will be subtracted to ideally zero. Splitting the ground is not balance but has it's advantages. It prevent the return current from one channel affecting the other, even if it's shorted at the amplifier end. This is to some extent just like bi or tri wiring a speaker system.
Sorry for drifting away from any Utopia topic.
Balance means you have two identical signals that is 180deg apart. Hence we have 3 wires +ve GND -ve. At the receiving end. The singal is subtracted. So that the original signal is double, but any noise that gets into the signal path will be subtracted to ideally zero. Splitting the ground is not balance but has it's advantages. It prevent the return current from one channel affecting the other, even if it's shorted at the amplifier end. This is to some extent just like bi or tri wiring a speaker system.
Sorry for drifting away from any Utopia topic.