Using Wolfram's Mathmatica on the Raspberry Pi 3, have the notebook working that calculates the time delays required for the dspMusik digital crossover for the BG Neo10 planar drivers. Will do another section in the code for the BG Neo3-PDR's.
The normal home PC version of Mathmatica is $249. The Raspberry Pi 3 is $35, SMPS is $8, The Raspian OS is free for download and $13 get you a 64GB MicroSDXC boot drive. Total cost is $56. That is a very good reason to me to get one.
Building the last 18 moded ChipAmp modules and 9 power supply PC boards as the toroidal power transformers should all be here Monday. Then start drilling holes in heatsinks to mount the amp modules to test them. Will be using the new drilling guide for these to get nice vertical holes!