the cold side of the phono cable serves only as a ground

The track list speaks volumes: Among others

The AE1 Active maximises all the benefits of active loudspeaker design

of which only five pins are used (and one of those is electrically not connected)

providing excellent vibration damping and EMI / RFI noise rejection screws on polymer thread

FONOLAB EQVES CVRRVS - Phono pickup equalizer Design:Hvid/Grå the cold side of theEQVES CVRRVS Phono cartridge equalizer that compensate distortion added by the moving parts of the cartridge generator into the useful signal. Mechanical resonances in the design of the cartridge body, cantilever and its suspension affect the value of parasitic magnetic resistance, which negatively affects the magnetic field that occurs during the operation of the cartridge. The total magnetic resistance is frequency dependent and has a direct effect