Granite Audio - RIAA Equalization Article Granite Audio - RIAA Equalization Article Granite Audio - RIAA Equalization Article Granite Audio - RIAA Equalization Article RIAA phono equalization article by Don Hoglund. "RIAA phono equalization article by Don Hoglund." Granite Audio - RIAA Equalization Article http://www.graniteaudio.com/phono/page5.html Granite Audio - RIAA Equalization Article "RIAA phono equalization article by Don Hoglund." "RIAA phono equalization article by Don Hoglund." Granite Audio - RIAA Equalization Article "RIAA phono equalization article by Don Hoglund." "RIAA phono equalization article by Don Hoglund." "RIAA phono equalization article by Don Hoglund." http://www.graniteaudio.com/phono/page5.html