Slee Solo Ultra Linear

About the Slee Solo Ultra Linear

The Graham Slee Solo Ultra Linear is a solid-state headphone amplifier designed to provide a linear tonal balance, emphasizing mid and high treble regions while maintaining a neutral overall sound. It is part of Graham Slee's flagship models and is praised for its ability to mimic the positive attributes of valve amplifiers without their drawbacks. The amplifier features an impedance-sensing volume control, which adjusts based on the volume level and assumed headphone impedance. It supports a wide range of headphone impedances from 8 to 2,000 Ohms, with a preferred range of 16 to 600 Ohms. The Solo Ultra Linear is known for its open, refined, and smooth sound quality, making it suitable for a variety of headphones.