How to test a loudspeaker driver

Place the microphone in front of the speaker. If you are testing a single driver, then place the microphone right in front of the driver, centered on the cone and aimed directly at the driver. Shotgun microphones work well for these tests. Place the speaker off the floor and away from any walls (including behind the speaker).  · Ideally, frequency response should be measured in an anechoic chamber with the loudspeaker under test driven with a sine wave signal slowly swept through the audible frequency range of 20Hz to 20kHz. A microphone placed on a preferred axis in the far-field of the loudspeaker will then record and plot the www.doorway.ruted Reading Time: 10 mins.  · Fluke Multimeter: www.doorway.ru=as_li_tl?ie=UTF8camp=creative=creativeASIN=BZ0V6linkCode=as2tag=yt.

Check to make sure your audio devices aren't muted and haven't been disabled. Right-click the Speakers icon on the taskbar, and then select Open Volume mixer. You’ll see a set of volume controls for your devices. Make sure none of them are muted. If any of them are muted, you’ll see a red circle with a line through it next to the volume control. Fluke Multimeter: www.doorway.ru=as_li_tl?ie=UTF8camp=creative=creativeASIN=BZ0V6linkCode=as2tag=yt. Speaker Distortion lets you test loudspeaker drivers for THD+n. This is useful both to measure the distortion that a driver produces at a given frequency, and also to compare drivers to look for damage. A damage loudspeaker will show measurably higher THD, long before you can notice it with your ears. Test studio monitors after a heavy session, or test rental speakers before they go out and after they are returned.

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