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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: Are my ears really that sensitive? posted by Satie on September 13, 2014 at 15:13:00:
Thanks for the advice. I've asked Roger to kindly run a simulation to check how 0.74 mH on the mid LP looks. I am hoping this is going to be an easy change to sort out the peakiness at 1-2 KHz. That inductor is 0.7 mH in the original mg20 (but with a 7uF parallel cap) and goes up to 1.12 mH in the MG20.1 (with a 12 uF parallel cap) though I guess the drivers are a bit different. The 20.1 (in particular) simulation does have quite a broad suckout centered around the prescence region. I can always unwind some inductor if 0.74 mH is too much and measure with my meter.
You are right it's v easy to change the external HP from 2nd to 1st order so I can do that later. The 18 12 bass to lower mid transition is quite good in the stock MGIIa XO. Better than it sounded with the stock bass HP in 18 6 so I think I'll try stock external first with this internal inductor change and it from there but I will definitely try both and see which one blends better.
The Neo 8 array must have great ability to be able to be run full range, but yes I guess it's sensible to protect it from bass and reduce the beaming problem in the upper mids/lower treble. I guess when it was run full range the lack of phase etc made things sound really good?
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Follow Ups
- RE: Are my ears really that sensitive? - Davy 16:32:41 09/13/14 (1)
- RE: Are my ears really that sensitive? - Satie 22:55:35 09/13/14 (0)
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