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In the Forum: Audio Discussions
In the Thread: 'Fundamental rich' listening, or is RTA even close to accurate?
Post Subject: The 20-20k is not a myth.Posted by Romy the Cat on: 8/18/2007

 stuck.wilson wrote:
I just started using RTA as a method of evaluating my results with my own 2 way speaker system, and I'm finding that I'm ending up liking the sound of my system a GREAT DEAL MORE without the absurd notion that 20-20k is what we 'need to hear'.. but it seems even more extreme than this.

2 way speaker system can not be 20-20k. It can hardly be 63-12.5K…

 stuck.wilson wrote:
where it gets strange is-- after 2k-- if i'm still pleased with the sound-- rolls off DRAMATICALLY-- where i'm at LEAST 10db down by 10k, and further from there-- to where it looks as if it's rolling off a total of almost 20db from 2k- 20k!  when i lessen the reins on the horn-- the sound is SO agressive and unlistenable (on a BMS 4552nd -- the opinion of which you've shared) that i can't stand it.  upper midrange HELL. period.

It might be because many reasons but never take electricity out of accounts. The 4552nd has ligh cone and they uselessly becomes very flat but aggressive with bad electricity.

 stuck.wilson wrote:
so i wonder if it's the 'chicken' of 20-20k being a myth, or the 'egg' of my misuse of a 2 way horn/direct radiator... a BUNK driver,  or in fact, just all three. OR.. it's a matter that the RTA and/or my microphones are just THAT inaccurate.  or i'm a caveman.. which is also possible (!)  .

A horn is 3-4 octaves devise. The 20-20k is not a myth but to get  it properly is difficult and not only at speaker level...

http://www.goodsoundclub.com/Forums/ShowPost.aspx?PostID=755

 stuck.wilson wrote:
any light to shed on this phenomenon?  i realize that there could be an incredibly complex bevy of factors at work here..  but i wonder if anyone else has had a civilized experience with listening this way.

Actually, Stuck. I do nor exactly understand what you are asking…

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