Pro-Ject RPM 9 Carbon Turntable, Tube Box DS2 Phono Preamp, Sumiko Starling Cartridge Review John E. Johnson, Jr.November 7, 2018 Pro-Ject is a manufacturer of turntable, amplifiers, speakers, and accessories, located in Mistelbach, Austria, with manufacturing plants in the Czech Republic and Slovakia. They range in price from a few hundred dollars up to several thousand. PreamplifiersTurntable AccessoriesTurntablesTurntables