Lowering Fs

[snock]

Hello,

I have been here a while and build a few IBs but I am hoping someone here can help me. Is there a way to lower a driver's Fs predictably? I have never seen this done so I will let that be empirical evidence that it is not straight forward but still have to ask. And more complex than a yes/no, what TS params are changed if i were to add mass to the cone? I googled around and couldn't find a page of realtionships or formulas. Thanks for any pointers, anyone.

steve

[ThomasW]

Typically one mass loads the cone close to the dustcap. Mfgrs do this under the dustcap so it's not seen. Just add the amount of mass you want to obtain the desired Fs. Usually it's done by adding a bit of weight at a time and measuring the Fs until it reached the desired point

And yes other T/S parameters are changed starting obviously with Mms and efficiency.

There's minimal benefit to doing this. With the use of EQ one can pretty much accomplish the same thing and not run the risk of messing up the driver.

[snock]

OK. I will stick with the BFD . Thanks.