The Black Reaper by Dan Armstrong is a simple to use effects unit that can remove higher volume mid range frequencies to give richer full range level out... read more
The Purple Peaker Equalizer from Dan Armstrong has a three-position switch to select one, both, or neither of the two peaks. In the "1" position,... read more
The Yellow Humper Equalizer from Dan Armstrong was designed to let any bass and many keyboards sound more powerful without becoming to rough. With the... read more
