Thiele and Small Measuring, mechanical set-up

The first Thiele and Small measuring we do is the impedance measuring in free air. Possibly the second measuring:

Determining the Thiele and Small parameters: measuring using a closed cabinet

For this purpose we have 5, 10, 20, 40 and 80 litre cabinets available. Every cabinet has a detachable top cover with different diameters to ensure that different drivers can be evaluated.

The advantage of this procedure is that the driver diaphragm won't get into contact with plasticine.

Determining the Thiele and Small parameters: Measuring with additional mass

Here we don't need a cabinet, just some sticking material that will be attached to the diaphragm. We are using plasticine that sticks quite well, with the disadvantage that stains remain on many diaphragms.

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