dhl93449, I am aware of the crossover’s parameters not changing, and I have no interest in debating my recommendations. I have used all the recommendations I mentioned, and I think you are shortchanging your experience regardless if you do not try them. I don’t recommend insipid and ineffectual changes.
You have a very fine amp, yet there is no way to determine whether sonically it is an excellent match with the PAP-Horn1 aside from comparison to other amps. The speaker will change sound fundamentally, despite the crossover not being changed, also in the region you discuss, from the simple insertion of a different amp. I have used many amps on the PAP-Horn1, and this is a fundamental way of altering the speaker’s performance, simply by change of amp.
Again, I know that the crossover will not change, but for instance, an amp that causes the speaker to emphasize more the top end, most often by having shallower or "lighter" bass, may cause the speaker to sound more balanced to you, as the perception is that there is relatively less emphasis on the mid-bass. I also make such changes with other speakers, such as the Vapor Audio Joule White. You may agree or disagree, but that is simply another point I offer.
I also regularly adjust the holistic sound of speakers by swapping interconnects and speaker cables, as well as power cords. While these do not change the crossover, they change the speaker’s holistic sound, and the perception of an emphasis in one part of the spectrum can be addressed pretty well, though not always perfectly. If you disagree, then we’ll simply accept that the other is at odds and have to let that go.
Based on your reply, I suspect you believe that the only worthwhile solution would be to manipulate the crossover, and if so, then I strongly recommend you consider the PAP-C1 Active Crossover for the speakers. I reviewed it for Dagogo.com, and the bonus for you - as you are familiar with crossovers and filters, is that the PAP-C1 allows for adjustment of both level and filter slope for each driver. This, I suspect, would be a game changer for you and allow you to contour the drivers precisely as you wish. Take a look at the Low and High Pass filter curves on the website. I would put a link to it here, but the moderators seem to restrict my use of links because I am a reviewer. It’s easy enough to find at the website. Obviously, then, as a dummy board is used in place of the crossover, the recommendation of replacing caps or resisters would not be in play, but the "internal" wiring and speaker’s baffle slope would still be worthwhile changes. BTW, with the active X-over and four channels of amps the speaker had a very nice bump in dynamics.
Now, if you don’t like any of these suggestions, you’re on your own! :)
