Crossover Help Needed With ANOTHER Pair of ALTECS

[voice of the theater]

At the risk of sounding (even more) ignorant--there are two response curves--what does the bottom one represent?

Here's the un-equalized response of the M14's horn-driver combo .

One can see that it needs the mid-range suppressed by some 6 to 10db ( between 1-6K ) so that the HF ( above 6K ) is brought back into a more reasonable balance .