Welcome to Seventh Circle Audio!
High-quality DIY and fully assembled microphone preamplifiers for audio recording and studio uses.
If you are a recording studio, a musician looking to record, or a podcaster looking for a high-quality preamp and a great price, check out our line of preamplifiers! We have brought back many of the same great designs including the N72, A12B, and J99, using the same high quality components that have always been used in the Seventh Circle Audio products. Please feel free to email me us at and let us know what products you would like to see! If you need repairs on a product or need a module kit completed visit the support and return policy pages. THANK YOU!
Q: WHO MAKES THE BEST PREAMPS FOR THE MONEY?
A: YOU DO.
Seventh Circle Audio provides professional quality electronic kits and support to handy audio recording engineers. Our flexible, modular preamp kits provide a full range of "colors" suitable for any application and are in daily use by recordists world-wide.
Assemble your own world-class microphone preamp by combining a CH02 or OneShot chassis and up to eight of our superb amplifier modules.
Customize your system to suit your current needs and expand as your studio grows. We currently have five preamp modules available, each with its own distinct personality, as well as a 2-channel active instrument DI!
Improve your skills as an engineer by learning about electronics, or order fully-assembled units to save time and still save money.
Impress your clients with what you can build, not just what you can buy.
Save money! Stretch your studio budget by investing your down time in DIY.