Featuring:

QuadToneRIP
by
Roy V. Harrington

QuadToneRIP.com
 

Using QuadToneRIP allows me to achieve incredibly detailed, full-spectrum Black and White prints. 
QTR prints rival traditional dark room prints in richness, sharpness and tonality. 
A user may also use or build profiles for Warm, Cool, or mixed tone prints with infinite variations in between.
Read more about QuadToneRIP here.