Dual FETs for differential pair

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I am fairly tired of matching IRF9610s! Has anyone here tried using dual FETs for this front-end? Fairchild and Zetex both have promising-sounding parts (e.g. NDS9948, ZXMD63). These devices are obviously highly temperature coupled and produced from the same wafer, so they should be matched fairly well.

But, do they sound good?
 
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