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Why Auto Cal is not being applied to Frqs above 2khz

zenstar, modified 5 Years ago.

Why Auto Cal is not being applied to Frqs above 2khz

Padawan Posts: 25 Join Date: 12/13/16 Recent Posts
Hi,

Is my first calibration, so I am not sure if this looks Ok or not...

But seems that are some frequencies , specially in the upper mids and HF range that for some reason the GLM software can not compensate,
Is that OK? or normal?

Maybeb the Auto Calibration is not looking so effective?

I see the curve is not being corrected above 6khz...

Seems better autoc-alibration at lower frequencies

Do I am missing something?





zenstar, modified 5 Years ago.

Re: Why Auto Cal is not being applied to Frqs above 2khz

Padawan Posts: 25 Join Date: 12/13/16 Recent Posts
1038, modified 5 Years ago.

Re: Why Auto Cal is not being applied to Frqs above 2khz

Jedi Master Posts: 340 Join Date: 4/6/09 Recent Posts
No eq is applied over 6k, i'd be far more worried about your LF than above 6k... from your responses i'd say your speakers are around 2 meters from the front wall, try moving them up against the wall to solve the 40Hz cancellation.

GLM could easily eq HF, Genelec decided early on no too, HF frequencies are far easier to deal with using acoustic treatments and correct placement, where as LF is very difficult to treat so the biggest return sonically is to treat the LF/MF... If you do a google image search for Genelec GLM, you will see in earlier versions of GLM the 6k and above region was greyed out to provide a visual reference that those frequencies were not being eq'd.

One of the big benefits of GLM and autocal is that you can move your speakers and listening position and remeasure to find the best spot in your room, when doing this just focus on the red in-room trace, try and minimise all the cancellations, in most studios i visit i get the owners to lift their speakers up higher than installed as most people simply place the speakers on either a meter bridge or desk, get them above your ear level and tilt them down using the iso-pod...
zenstar, modified 5 Years ago.

Re: Why Auto Cal is not being applied to Frqs above 2khz

Padawan Posts: 25 Join Date: 12/13/16 Recent Posts
Thanks Steve,

I did not know that about the 6K.

Yes, I totally agree that the Low End is the most critical aspect in acoustics.

Thanks for your info.
I just wanted to know that all was good with my system.

any other GLM settings and tips is greatly appreciate it.

thanks again!
1038, modified 5 Years ago.

Re: Why Auto Cal is not being applied to Frqs above 2khz

Jedi Master Posts: 340 Join Date: 4/6/09 Recent Posts
I'm about to disappear on holidays without internet, but stick the speakers close to the wall and at least 1 meter from the floor and start from there, not knowing your room dimensions makes things difficult, but you'll want your L&R speakers at 60 degrees apart from your listening position so play around with your listening distance and the speaker width, the great thing about 60 degree separation, is that the distance you are away from one speaker will be the distance between the speakers (centre), so as you move closer to the speakers you will move the speakers away from sidewalls... so take a stack of measurements and name each file with details about the setup, so you can compare later... focus on minimising cancellations in the in-room trace.. Good luck and have fun, you own some stunning speakers...
zenstar, modified 5 Years ago.

Re: Why Auto Cal is not being applied to Frqs above 2khz

Padawan Posts: 25 Join Date: 12/13/16 Recent Posts
I'm about to disappear on holidays without internet, but stick the speakers close to the wall and at least 1 meter from the floor and start from there, not knowing your room dimensions makes things difficult, but you'll want your L&R speakers at 60 degrees apart from your listening position so play around with your listening distance and the speaker width, the great thing about 60 degree separation, is that the distance you are away from one speaker will be the distance between the speakers (centre), so as you move closer to the speakers you will move the speakers away from sidewalls... so take a stack of measurements and name each file with details about the setup, so you can compare later... focus on minimising cancellations in the in-room trace.. Good luck and have fun, you own some stunning speakers...


Thanks steven,

But now I am having some issues...

out of the blue SAM is not working good,

no idea if the mic or what became defective...


Yes I have 2 room modes around 80hz and some around 130.


room is 19.5 Ft x10ft and high ceilings.

also how can you really effectively know the angle of those 83.\51 are not really rectangular cabinets...