Seventh Circle Audio SCA J99-500 Series Microphone Preamp Module
This is the 500 series module only! It will not work in any of the SCA chassis! There is an SCA only version of the J99 available as well in the Classic series section. The Seventh Circle Audio J99 is a flexible, high-gain, low-noise, low-distortion microphone preamplifier, based on the classic Jensen Twin Servo design.