Gruppo
Ricerche Audio Alta Fedeltà - Graaf founded
in December 1985 in Modena, Italy, the home of the legendry "Red
Prancing Horse" of Ferrari.
Graaf, and more importantly, their Chief Designer, Mr. Giovanni Mariani are the undeniable masters of OTL (Output Transformer Less) and OCL (Output Capacitor Less) valve amplification. Just one look at the fabulous finish and build of these amplifiers, tells you that here are some very special audio products. Switch on and be carried away into the music by their transparency, detail, weight and finesse.
Phono Stage
WFB One Pre-amplifier
GM20 - OTL & OCL Power Amplifier
GM200 - OTL & OCL Power Amplifier
