Grado Phone preamp PH-1 in perfect condition. Very lightly used, perfect cosmetic condition and power supply. Grado Phono Preamp, model PH-1, represents the most successful solution to one of the most complex technical challenges in the field of audio that Grado Labs has ever tackled.Grados design goals were for a truly superb sounding phono preamp to work equally well with both low and high output cartridges with negligible noise.Grados technical superiority claims absolutely correlate to an unprecedented improvement in openness, greater depth of field and increased definition to the sound of each musical instrument. The PH-1 offers a true freedom from past sonic problems along with Grados usual warm, smooth, full bodied, non-fatiguing and rich sound qualities that everyone has embraced.If your turntable is driven with a Grado cartridge then you deserve to go the final step with the new PH-1 phono preamp.