Poseidon 300 vs Jetstream

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ScoobieDooo

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Can anyone tell me how the Poseidon 300 2nd stage compares to the Jetstream 2nd stage?

Better? Worse? Differant?

I know the Jetstream uses a servo valve and the 300 and 5000 use some 'linkage' thru the body.

Is the 5000 superior to the 300?
 
I dove a 300 for years. I haven't dove a 5000 or a 6000 metal. They look exactly alike to me even the insides of the 2nd stage. I'd like to know that myself. The Jetstream/Odin are supposed to be a better breathers, I can't tell. They say it takes .5 of a joule to be able to tell a difference. Just think the Durations are suppose to be doing .07 at 495 ft.. I'd like to dive one to around 130 or so.
 
https://www.shearwater.com/products/teric/

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