By using different combinations of compatible transformers and op amps, the Eisen Audio DIY500 can become one of hundreds of different-sounding mic preamps. It is even possible to "clone" some well known designs.
The following are some example circuit configurations we've collected for you to try. It is bound to grow over time, so check back soon. Click on the link to view a bill of materials (list of components).
512 style
312 style
Wide Open
Group Order Special
GMT