Elliot Sound Products “Project 66” is a low-noise, opamp-based preamp with a discreet front end.  ESP offers a PCB for this project which fits two discreet channels on a 65x65mm board.

Notable Features:

• Uses a +/-15 power supply or two 9v batteries
• 60dB of gain
• Discreet, low-noise input stage
• Accepts TL071 or compatible opamps

Price: $22 for two-channel PCB

More information at sound.westhost.com.