Posted by Martin [ 205.188.116.135 ] on May 26, 2004 at 16:58:46:
In Reply to: Re: A word to the wise ....... posted by Wayne Parham on May 26, 2004 at 15:35:13:
I use LAUD 3.1 on an old 486 PC that is now located in my workshop. I use the added mass method using nickels (5 gm each) to get a mass that shifts the driver fs encoughto get a good measurement.
I tried the closed box method and really did not like it because it required you to estimate the volume of the back of the driver and magnet inside the box or the front cone volume if the driver was pointed into the box. This change for every driver.
I use a 10.1 ohm series resistor in my set-up and an old Teac receiver to supply the signal. This also allows me to play music for a while before making a measurement.
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