iFi Silent Power DC Blocker (Open Box) headphone 6.3mm or on the fly

or on the fly

5-mm straight plug

we want to find the right combination of weight and stiffness/rigidity

and audiophiles

even older ones

iFi Silent Power DC Blocker (Open Box) headphone 6.3mm or on the flyThe amplifier is the heart of your system. If you have a mechanical hum, deploy the DC Blocker. Got big amplifier. Bye bye mechanical hum. Many large amplifiers have a really annoying mechanical hum (emitted from the toroidal transformer itself). You can hear it when you place your ear close or next to the chassis. This is caused by a small amount of DC voltage in the mains which makes its way through to the mains transformer, it will become saturated