Quote:
Originally Posted by low_bass_makker  To check the response of the HU we need a RTA to do that. Here the Pioneer could be at dip at above 7khz or the 9887 would be at boost maybe they are designed the way they sound. I will not agree that both the HU are flat till I have the RTA result. |
You were able to spot a peak and dip at 7KHz in two HU's by listening to them. I must say you have very good ears
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I hope you are not using Microphone based measurement in RTA to compare the frequency response of the two units.
Also peak or dip at a certain frequency band will not affect the staging to that extent. In case of 7KHz its way out of crucial midrange area.
The problem could be with your 7KHz tweeter / midrange crossover point and slope settings.