GRAHAM SLEE POWER SUPPLY UPGRADE PSU-1

The "Green" switched-mode power supply provided with some of our products, can be substituted for a PSU1 to give you a rewardingly different listening experience.

The PSU1 power supply circuit has a Kelvin-sensing ground return, which provides a 'rock-steady' zero-volt reference necessary for stereo precision.

It also has a combination of reservoir capacitor grades to counter any single sonic characteristic 'stamping its own signature' on your sound.

The use of the PSU1 instead of the 'green' power supply can make for a lift in performance as well as a greater sense of scale and openness, according to its users and those who've reviewed it.