Its the Nelson Pass board its well documented
Full Range EQ
- Thread starter Nelson Pass
- Start date2023-05-17 8:01 pm
Like you said, it's well documented.
Check https://www.diyaudio.com/community/threads/full-range-eq.399413/page-4, post #62.
Check https://www.diyaudio.com/community/threads/full-range-eq.399413/page-4, post #62.