"When I move the power supply away from the TT-PSU, the hum also disappears."
That is the answer.
"The problem is the magnetic field coming from the power transformer in the power supply. Moving it away from sensitive phono circuitry is in fact the correct solution!"
He's right.
That is the answer.
"The problem is the magnetic field coming from the power transformer in the power supply. Moving it away from sensitive phono circuitry is in fact the correct solution!"
He's right.