This Module is discontinued.
100% discrete state-variable class-A equalizer
Four band semi-parametric equalizer 100% discrete class-A state-variable filters Sounds exceptionally warm and natural Fits all standard 500 series power racks
http://www.radialeng.com/q4.php
Included in 4 Racks, 2 are public:
Radial Q4 500 Series 4-Band EQ
Radial Q4 500 Series 4-Band EQ
Radial Q4 500 Series 4-Band EQ
Radial Q4 500 Series 4-Band EQ
Radial Q4