The T4 is not available with 76 keys so the 61 is the top.

The others are 76 keys and so are the TOTL.

The 61 key versions of the Audya & PA3x are variations of the 76 only.

Bill
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English Riviera:
Live entertainment, Real Ale, Great Scenery, Great Beaches, why would anyone want to live anywhere else (I�m definitely staying put).