This Module is a prototype or in a concept phase.
Class A mic pre DIY kit PLUS EQ addon
This is for both the NV73 Preamp and the EQ ADDON module. Price is for full DIY kit However a fully assembled unit is around $1,252 USD.
http://www.thedonclassics.com/nv73eq-diy.html
Included in 15 Racks, 5 are public:
