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Hollis DC7 500SE DIN Regulator With Maxflex Hose

4.8 4.8 out of 5 stars 5 ratings
$569.95
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Purchase options and add-ons

  • DC7 First Stage
  • High performance over-balanced first stage provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions
  • Fixed hose routing ideal for both backmount and sidemount configuration
  • Environmental sealing prevents internal corrosion, contaminants, and icing of the first stage
  • Designed to withstand the rigorous CE standard for coldwater performance
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Hollis DC7 500SE DIN Regulator With Maxflex Hose
$569.95
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Product Description

Old School. New Tech. The new 500SE utilizes a servo controlled valve to provide precision airflow and unparalleled performance for both air and trimix divers in a side exhaust configuration. To achieve this, we have perfected the original "lever-servo valve" we designed 35 years ago. Overbalanced diaphragm first stage also provides ideal hose routing for both backmount and sidemount users and optimum performance regardless of depth.

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Hollis DC7 500SE DIN Regulator With Maxflex Hose

Hollis DC7 500SE DIN Regulator With Maxflex Hose

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
5 global ratings

Top reviews from the United States

Toli
5.0 out of 5 stars Newish diver but loving the side exhaust and comfort!
Reviewed in the United States on August 14, 2014
Having only taken two dives with this so far in the cold PNW water. I just need to say I love this thing! Very comfortable in the mouth, and since I'm a relatively new diver and spend a lot of time just working on my buoyancy, I really notice -- or should I saw I don't notice -- the side exhaust. On my first dive with this regulator I actually had to remind myself there should be bubbles and had to search for them, a very great feeling.
4 people found this helpful
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O Sweet
4.0 out of 5 stars Functional first + second stage, some issues
Reviewed in the United States on August 20, 2014
Verified Purchase
500SE:
An interesting take on the classic side-exhaust second stage. It's worth noting that this regulator shares internal components with the Oceanic Omega 3, which has the added benefit of a predive switch. If you're willing to shell out a bit more it might be worth checking that out instead.

Pros:
- Consistent, easy breathing at any depth
- Comfortable mouthpiece reduces jaw fatigue
- Unique look

Cons:
- Downstream diaphragm means the regulator is very prone to freeflow unless care is taken to submerge the mouthpiece first
- No predive switch
- Touchy purge button

DC7:
Not much to say about it, seems like a solid first stage with enough ports for any recreational configuration.
4 people found this helpful
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Chuck The Plumber
4.0 out of 5 stars Dc 7 seems like a nice regulator
Reviewed in the United States on July 31, 2015
Dc 7 seems like a nice regulator, it has some issues though, there was a quality control issue with the first run of them. They were missing an O-ring on the high pressure side of the reg, causing the second stage to free flow, and also the dc7 cannot be converted from yoke to din. Nor will Hollis ever make a conversion kit as the regulator parts that the first stage are 45% of the reg, that make up the yoke portion. So you can only buy a adaptor from din to yoke if you want to use both yoke and din on the dc7.
4 people found this helpful
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Top reviews from other countries

Scubatank
5.0 out of 5 stars Five Stars
Reviewed in Canada on November 30, 2015
Verified Purchase
one of the best on the market and pretty James bond style!
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