Quote Originally Posted by whitebroncoii View Post
All of Altec Lansing equalizers (up to and including the "programmable" 8000 series) are variable-Q.
Odd- Altec claims the 1753 is constant Q

Are you sure about that?

http://www.altecpro.com/pdfs/vintage...g%20Manual.pdf

Wouldn't be the first time an error on a spec sheet, but that is a big one.