left a prototype Mark II unit running for around four hours this evening and I had no audible gaps and a maximum value of 55

For what's this worth:
Left my mk2 running overnight, playing on a 2386 tracks shuffled playlist. No info display / no visuals running, just the values showing. After 8 hours and 101 tracks they showed A19, N51, X51.

Henno
mk2 nr 6
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Henno mk2 [orange]6 [/orange]nr 6