Nelson Pass Aleph P
Description:
My brother and I have build two Nelson Pass Aleph P Class A preamplifiers, and we are very pleased with the sound. The preamp is controlled by a PIC18F4620 micro controller.
Picture gallery:
Click on the picture to enlarge it and read our comments and advice.
Previous image
Next image
Back to overview
Graph of the new attenuator, step versus dB. The dB indicates the three final amplification factors you can choose in the preamp.