“Eden” is a very compact, high-quality microphone preamp for easy racking in tight spaces. The circuit, built around a TI INA163 instrumentation amplifier, is designed to be as clean as possible. Eden modules are sold fully assembled and tested. The DIYer must provide the enclosure, power, audio in and out, and a gain-setting resistor or potentiometer.

Eden Preamp Features:

• Performance specs:
• 0.003% THD+N at 30dB gain
• 0.04% THD+N at 60dB gain (highest setting)
• Employs TI integrated circuits:
  • INA163 Instrumentation amp
  • DRV135 line driver/receiver
• Extremely compact

Price:

• $79.99 for each assembled module
• $239.99 for a set of four modules

More Info:

• Purchase from the Expat Audio Store
• Technical discussion on the GroupDIY forum
• Download the User Guide (PDF)