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> Has anyone seen, used, touched or know anything about scubapro's new
> MK-20. Interested in any info.

I have had one for about two months - I got it on a "keyman" deal in
which I took a blood oath of non-disclosure :-), but I see them being
displayed and sold in shops now (including the one that swore me to
secrecy), so I guess I can let the cat out of the bag.

I have the Mk20/D400 - this reg rocks. I don't have any technical
specs on it, and haven't got inside it to see what was changed, but
there seems to be a noticeable improvement over the Mk15/D400 (which
I also have one of). We did hook it up to a Magnahelic in the shop -
the needle barely moved when we breathed off it. It can really
deliver the air.

I used it in the Florida Keys for three days on OW checkout dives,
and then used it as my primary reg for a Full Cave course last
weekend. I never had it below 100 ft, but tried various experiments
to see how it fared. One thing I tried was breathing a tank almost
dry on it - no noticeable loss of performance. The new D400 also
breathes dry in an inverted position - my old one doesn't do that.

My only complaint in the construction is that the top of it has a
plastic cover (which appears to be non-structural) - I'd prefer an
all metal housing. Other than that, I give it a big thumbs up.

-JimG

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