The Grado PH-1 Phono Preamplifier offers a true freedom from past sonic problems along with Grado's usual warm, smooth, full bodied, non-fatiguing and rich sound qualities that everyone has embraced.
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• Input Impedance: 47K ohms
• Gain Settings: Low, 40 db of gain; High, 56 db of gain
• Noise floor: 80 db down
• Please allow 7 - 10 days for shipping

Grados new phono equalization technique is a derivative of the principals used in their highly regarded RA-1 headphone amplifier. In this design, feedback closure ratio does not change with frequency, but the total output gain does. Virtually all latter stage noise disappears! The output impedance is very low, with the EQ stage opened-loop and the closed-loop gain being the same. The best of both worlds!

What is so significant about these new innovations is the fact that the 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.

If your turntable is driven with a Grado cartridge then you deserve to go the final step with the new Grado PH-1 Phono Preamplifier.