I bought a genuine amplifier for my loudspeakers, QUAD. The loudspeakers are QUAD ESL57, electrostatic loudspeakers designed 50 years ago, and the amplifier is fairly old QUAD 606, which is relatively new, but born to drive electrostatic l…

There is a big improvement archived by the balanced digital cable with controlled impedance. I did not expect that significant difference, by modifying digital connection, but what happened was drastic, i.e. the accuracy of just 0s and 1s …