Preamp MKII

Here is the updated version of  The Preamp.

- Microcontroller for Control, ATMEGA16.
- New Gain Stage with better potentiometer (now Alps with motor).
- New Opamps. OPA2134 instead of OP2604.
- ReedRelais for Audio Path switching, strictly sperated for each channel.

- 8 Inputs Stereo
- 1 Main Out Stereo
- 1 Aux Out
- IR-Remote

See also here for measurements.
See here for an overview (PDF).

Click on pictures to enlarge.