Planar Speaker Asylum

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I do have a pair o BG Neo 3PDR's if needed....

68.8.132.235

In Reply to: RE: The Line Array I want to build will have.... posted by Satie on July 13, 2016 at 06:45:46

for this project. It would be good to use them and not let them just sit used.

I'm just puzzled that the BG NEO8's would need a tweeter. The line arrays Danny Ritchie LS9 design and some others have done with the Neo 8's don't use a tweeter in their designs. Maybe they used some sort of correction circuit in their xovers to help bump up those areas that roll off?

As far as the 1st xover point that can be adjusted. It's just a starting point that I choose since Danny Ritchie used a Xover at 1khz in his LS9 from what I read. But I was wanting do something lower.

I have one of those Virtual Crossover Box that I can change values on the fly and add components to it to help tweak any xover design I want to try. I has been a good tool to use and have saved me a lot of time and money in doing some xovers. :)

I will be using some software my buddy is sending me to take measurements once it's up and running and make the xover adjustments as need to help out any rough spots. I will be using Erse caps and Coils since I have got good results with them and they don't break the bank like the other expensive caps and coils.

Thank You for the info and advice. I really appreciate it.

Follow Ups:

RE: I do have a pair o BG Neo 3PDR's if needed.... - Satie 15:27:18 07/15/16 (0)
Another thought, you can try using some commercial line array designs as a guide to driver placement if you are not doing full length lines. The Infinity RS2b is one to look at with the short mid and tweeter arrays besides each other. Another planar short line array is the VMPS RM30 and RM40 with the tweeter placed up top. I actually don't have an example of a commercial short array design with a center mounted tweeter in line with the mids so there is likely a good reason for that, most likely that most of what you hear from the array comes from the center drivers. So those can't carry different frequencies than the rest of the array.. .
RE: I do have a pair o BG Neo 3PDR's if needed.... - Satie 14:32:44 07/13/16 (0)
The version of the Neo8 that does not need a tweeter is the PDR version as audiofred had used in his project. It has an acoustic lens that improves dispersion at the expense of low end extension and power handling. I think the LS9 was using that but I don;t know that with certainty.

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