Originally Posted by
Wallacefl
OK...I have not posted on the site very often but have been a JBL owner for years. Right now I have some 123a black cones from a L-88 and should like to try the ESS Heils as a mid-tweeter from 1200 hz. The old S70 Alpha has a crossover for the 123a that may be ok as as a start. As to your 18db for the tweeter...how was this derived as the values of components makes acquisition hard? I have no measuring equipment and generally copy others and/or use their guidance. Appreciate your input....