Quote Originally Posted by whitebroncoii View Post
The 1653A is an equalizer, not a crossover. You use the 1653A to shape the entire audio spectrum going to your speaker(s) or crossover. A typical 299/515 electronic crossover would be set for 18db/octave slopes and a crossover frequency of 800Hz.
I know it's an equalizer but it still has high pass and low pass filter adjustments. Obviously these were used one unit per driver instead of one unit per 2 way speaker, since it has the low and high pass filters?