The Musical Fidelity X10D is a unity gain tube based buffer. In other words, you put a signal into it, the signal goes out at appr the same level. The only thing that it does is introduce certain characteristics ( typically a warmer and smoother sound ) to the signal. If you like it, fine. I think that most people making use of it are incorporating it between their SS cd player and their preamps or receivers to tame "digital nasties". Either way, i remember reading that this device introduced something along the lines of up to 10% distortion to the signal. Probably all even harmonics ( like a tube ), so it is not as harsh or gritty as SS distortion. Sean
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