Class A Kenwood suspension

[philseven]

Hi,

I have Kenwood LS 990a speakers needing to refoam. I read about classe A technlogy for suspension ? (on LS 880a the same)

I found (in audio-heritage):

Speaking about 2 suspensions ? Someone know this technology ? i need special foam ?
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Class A suspension is Kenwood's original technology. It uses two suspensions made of engineered plastic / polyamide fiber. Appropriate mechanical bias is applied even when it is stationary. , Repeat the push-pull operation in which one side shrinks when one side stretches.
This push-pull operation cancels the opposite non-linear distortion components of each other, and realizes the linear movement of the vibration version that can convert small signals into small amplitudes and large signals into large amplitudes.
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Thanks
Philippe

 

[philseven]

Hi, Yes i think so but they speak about two suspension, not one. Perhaps on spyder ? not surround foam ?

Thanks
Philippe