API Mic Pre 500 series from 312 card An API 312 card can be mounted into a 500 series size module chassis and outfitted with necessary controls to be a fully functional professional mic pre. This Mod came about from customer’s requests to make something useful from 312 cards they had sitting on a back shelf collecting dust.The Drawbacks :Not much you can do with a 312 as is, except keep as a spare for your API console.The Solution :Mount the 312 card into a sub chassis so it can plug into a 500 series rack. Include the following controls: ..
API Mic Pre 500 series from 325 card An API 325 card can be mounted into a 500 series size module chassis and outfitted with necessary controls to be a fully functional professional mic pre. This Mod came about from customer’s requests to make something useful from 325 cards they had sitting on a back shelf collecting dust.The Drawbacks :Not much you can do with a 325 card as is, except keep as a spare for your API console.The Solution :Mount the 325 card into a sub chassis so it can plug into a 500 series rack and add a mic transformer. &n..