D420! How about that?

[buddhasummer]

It's just the main diaphragm fluttering.

 

[buddhasummer]

The only great feature of this reg is the ability to switch from left to right hose location without any reconfiguring other than hose removal and plug removal. The service kit for this thing is upwards of $70 since it contains a large part that gets replaced every service. I've serviced a couple and I can't say they are so amazing that I need to go get one. Cool odd looking reg though.

$70?, wow, should get them from me.

 

[lexvil]

The D420 is horrible out of the water, make no judgment on performance when dry.

 

[hedonist222]

Must be logical reason that they would...

 

[buddhasummer]

There is but I'm no physicist. @rsingler for the science answer. I just know they do and it's normal.

 

[buddhasummer]

The D420 is horrible out of the water, make no judgment on performance when dry.

Unlike the Air1 and D350/400.

 

[lexvil]

Unlike the Air1 and D350/400.

Yes, it’s weird but it must have something to do with the exhaust vs flow rate vs spring pressure.

 

[buddhasummer]

Over my head but I do recall "wow" when I first breathed off those. The D420 was meh at best.

 

[lexvil]

Over my head but I do recall "wow" when I first breathed off those. The D420 was meh at best.

The first 420’s came horribly adjusted, tuning is more refined now, I think it’s the best second stage SP makes.

 

[buddhasummer]

Don't say that Lex.