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testing and measurement


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  • white_shadow changed the title to testing and measurement

A popular program is REW it is free-ware / share-ware. It has a ton of features. So many in fact that some find it takes awhile to learn. There are many tutorials including some nice ones by Chris, who is active on this forum. An alternative is HolmImpulse, but that has fewer features and is no longer supported.

 

Concentrate on getting comfortable with a simple frequency response plots (filtering/averaging options). 

You will need a microphone. One that interfaces nicely with REW is the UMIK-1, it plugs into a USB port and is a very good deal at the price point (a bit over $125). Both these can be used on Windows or Mac. 

 

For some measurements, it is good to use and outboard DAC (not the computer's sound card). 

 

Your biggest hurdles will be placement and interpretation. 

 Measurement is really the right path to get the most out of your system

 

Good luck,

-Tom

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If you are referring to speaker response graphs what is needed is a PC (laptop makes it easier/portable) a calibrated microphone, most use a UMIK from miniDSP and a free piece of software called REW (Room EQ Wizard)

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3 minutes ago, babadono said:

If you are referring to speaker response graphs what is needed is a PC (laptop makes it easier/portable) a calibrated microphone, most use a UMIK from miniDSP and a free piece of software called REW (Room EQ Wizard)

What does your graph show now?   Have you got it all dialed in yet mate? 

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