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  1. #1
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    DS4, DST with 5th port or Tek3 for twinset?

    Hi, what's peoples choice for their twinset regulators, first stage?
    Specifically looking at Apeks.

    DS4's
    DST with 5th port or
    Tek 3's

    Cheers

  2. #2
    Established TDF Member Iain Smith's Avatar
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    Personally, DS4s - lighter and than DSTs (and, I think, Tek 3s) and cheaper than both. And, before anyone says it, no, I haven't found the slightly greater bending of the backup and wing hoses to be problematic.

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    I've used DS4s for everything. People will be on here in a second claiming that the hose routing sucks. It works fine and they're dirt cheap.

    The bend on the hose is nothing compared to a stage reg hp hose. Save your money and buy DS4s for everything and you'll end up with spares that you switch about without trouble

  4. #4
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    DS4s.

    I use the modified DS4s called Tek3's, only because I bought a second hand set for the right price. (I believe that Tek3s are essentially DS4s internally) Tek3s have the ports sort of optimised for twinsets. They are most definitely not worth the new price!

    DSTs aren't right as they'll have one hose sticking out, unless you pay for the 5th port option.

    Prices, new, from here:
    • DS4 - 122.50
    • DST - 210
    • DST with 5th port - 235
    • Tek3 - 369


    BTW, add the ATX40 second stage for 85


    Other suppliers are available. They're often cheaper than that in 'sales' -- I bought a DS4 + ATX40 for a stage for 165.

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    Quote Originally Posted by Wibs View Post
    DS4s.

    I use the modified DS4s called Tek3's, only because I bought a second hand set for the right price. (I believe that Tek3s are essentially DS4s internally) Tek3s have the ports sort of optimised for twinsets. They are most definitely not worth the new price!

    DSTs aren't right as they'll have one hose sticking out, unless you pay for the 5th port option.

    Prices, new, from here:
    • DS4 - 122.50
    • DST - 210
    • DST with 5th port - 235
    • Tek3 - 369


    BTW, add the ATX40 second stage for 85


    Other suppliers are available. They're often cheaper than that in 'sales' -- I bought a DS4 + ATX40 for a stage for 165.
    The price you quoted is for a pair of Tek3s, so when comparing to the others a single one would be 184.50.

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    Bloody hell... a bargain! I misread it as a single as their Tek kits are often sold (or advertised) for over a grand

  7. #7
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    Quote Originally Posted by Wibs View Post
    DSTs aren't right as they'll have one hose sticking out, unless you pay for the 5th port option.
    DSTs are fine. There is nothing sticking out.

    The bend on the hoses is a bit more pronounced if you're using twin 80s rather than steel tanks.

  8. #8
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    Quote Originally Posted by AxeMan View Post
    DSTs are fine. There is nothing sticking out.

    The bend on the hoses is a bit more pronounced if you're using twin 80s rather than steel tanks.
    Comparing the DST with a DS4, the hoses are angled less on the DS4 (<35 degrees?), whereas on the DST they're 70ish degrees on the turret.

    Hoses on the DST's turret snag against the DIN wheel, so can only work if there's one hose when you rotate it - e.g. on a stage or sidemount. Only reason for noticing this snagging was (mis)configuring a DST as a recreational single and needing to re-order the hoses as the turret was full of 4 LP hoses so couldn't rotate 180 degrees. In the end I found the DS4 was a better config for a single.

    Strange that Apeks don't just ship the DST with a 5th port as standard.

  9. #9
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    Quote Originally Posted by Wibs View Post
    Strange that Apeks don't just ship the DST with a 5th port as standard.
    And miss out on more dallar!? 😁

  10. #10
    TDF Member Druid's Avatar
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    I use DSTs with the 5th port.

    However I bought my first DST almost 20 years ago as a singles reg, then bought another a couple of years later as a pony reg. When I moved to twins it made sense to use the regs I had, though I did flirt with a pair of FSR(ATX200) first stages which worked well. When the 5th port conversion became available I bought a pair and fitted them myself, not that I would encourage anyone else to mess about with life support equipment.

    The DSTs are excellent, but they're not twice as good as DS4s


 
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