Helo Courtney! > Speaking of the brickette, I think I have all the parts for it except > for a couple of T-25-17 toroids and a couple of FT-23-43 cores... > What is a good source for these cores these days? Congratulations on getting your DSP-10 completed! Try www.cwsbytemark.com and www.partsandkits.com for cores. 73, Lyle KK7P