This amp has a headphone jack. Does the source signal go through the phono/pre/amp circuit and then go to the headphone jack, or does the source signal bypass the phono/pre/amp circuitry and go to an entirely seperate 'headphone circuit'?
If that were the case, would the headphone signal be completely isolated from the rest of the amplifier circuitry?
Ex., say I'm listening to an LP through headphones...would the signal that I am hearing ALSO have traveled through the Yamaha's main phono+pre+amp circuitry?