The Analog Devices AD797 is a high-perfomance, low-noise, low-distortion IC designed specifically with audio preamplification in mind. DIY-Tubes.com’s webstore now offers a PCB and component kit to remove DIYers’ “R&D” phase from building an affordable transformerless mic preamp.
- All preamp components are included
- Gain potentiometer can be substituted for a rotary switch (not included)
- Requires +/-15V and +48V power rails
- $30 for PCB
- add $13 for AD797 chip
- Available from DIY-Tubes.com