Q: Is the Adcom GFP-750 really that good ?
A: Yes, and it's an exceptional value when purchased used.
You may also want to consider Marsh P2000, the Rotel RC1090, and the Quicksilver Remote Control Linestage. All of these preamps retail (new) for $1200 - $1400, and all are included in TAS's "Recommended Products" list. The Marsh P2000 is also designated as a "Editor's Best Buy". However, IMO, none of these preamps offer any overall improvements in sound quality compared to the Adcom.
A: Yes, and it's an exceptional value when purchased used.
You may also want to consider Marsh P2000, the Rotel RC1090, and the Quicksilver Remote Control Linestage. All of these preamps retail (new) for $1200 - $1400, and all are included in TAS's "Recommended Products" list. The Marsh P2000 is also designated as a "Editor's Best Buy". However, IMO, none of these preamps offer any overall improvements in sound quality compared to the Adcom.