Plotting a response curve...

B

BigToe

Guest
Hi,

What would I need in order to plot a response curve for my Shiva sub? I don't have access to an SPL meter, would it be possible to record the SPL with a standard mic attached to my computer? Are there any specific (automatic?) programs geared around SPL readings, or is it a simple (yet time consuming) case of playing one frequency after another and sticking it all in a table?

Cheers,

Chris
 
Ok, I've realised that the microphone idea is probably a bit silly :blush: I'm guessing it wouldn't be able to record such pressure levels without distortion.

So, are there any programs that simplify the whole procedure? Such as playing each frequency a step at a time and providing a means to enter the results as I go along?

Cheers
 
You could do the mic thing...... but you would need a preamp so that you could get a line level signal into the pc. There are then programs like spectraplus which will do you a response automatically and are free for 30 day trial.

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