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About Aqualung Calypso Regulator

Aqua Lung is proud to introduce the Fifth-Generation of the popular Calypso Regulator This Simple Design, with its attractive price, makes it a popular choice for Dive Resorts and Rental Programs as well as New Divers The Calypso is Compact, Lightweight and Easy-to-Service It breathes like a regulator that costs much, much more For those in colder climes, you'll be glad to know that this Work-Horse Regulator is Coldwater Compatible having surpassed the CE norms for Cold Water Use

The Calypso First Stage is a Simple Non-Balanced Flow-By Piston Design This In-line, High-Flow Piston Design means Less-Components, Excellent-Reliability and Easy-Maintenance This Simple yet Fail-Safe Design will deliver air even if there is a First Stage Failure The Calypso First Stage is equipped with a Large-Diameter Piston that guarantees a more Stable Intermediate Pressure-Output and 6-Large Holes in the End-Cap results in Easier-Cleaning as well as Better-Thermal Exchange, thus improving the Freezing Resistance Made of Marine Grade Chromed Brass for Durability and Long Life, the Calypso First Stage has 4 Low Pressure Ports 3/8"UNF Thread and 1 High Pressure Port 7/16 UNF Thread The Calypso Regulator is Compatible with Nitrox Mixtures up to 40% O2 Out-of-the-Box

The Calypso Second Stage Regulator is a Mid-Size, High Performance, Downstream Demand Valve Design The Second Stage is equipped with an Easy-to-Grip Venturi Knob that Stops unwanted Free-Flow when the Regulator is Out-of-your-Mouth The Second Stage comes with Aqua Lung's Comfo-Bite Mouthpiece which Reduces Jaw Fatigue A Grid built into the Exhaust Tee creates Finer-Exhaust Bubbles for Less-Noise and more Stability A new, Reinforced Polycarbonate material makes this Second Stage Stronger than its Predecessor The new Easy-Purge Front Cover with Side-Openings prevent Free-Flow when facing into Currents or riding a Scooter The Calypso Regulator is equipped with a 3/8" Threaded Low Pressure Hose, weighs 34 24 oz (970 7 g), comes with an Owner's Manual and is covered by a Limited Lifetime Warranty

Warranty Information

This product has a limited lifetime warranty.

Aqualung Calypso Regulator Features

  • Fifth-Generation of the Popular Calypso Regulator
  • Simple Design, with Attractive Price!
  • Popular Choice for Dive Resorts, Rental Programs and New Divers
  • Compact, Lightweight and Easy-to-Service
  • Weight: 34.24 oz (970.7 g)
  • Work-Horse Regulator is Coldwater Compatible: CE Approved
  • 3/8" Thread Hose
  • Compatible with Nitrox Mixtures Up to 40% O2 Out-of-the-Box
  • Owner's Manual
  • Limited Lifetime Warranty
  • First Stage:
  • Simple Non-Balanced Flow-By Piston Design
  • In-line, High-Flow Piston: Less-Components, Excellent-Reliability and Easy-Maintenance
  • Fail-Safe Design
  • Large Diameter Piston: Stable Intermediate Pressure-Output
  • 6-Large Holes in the End-Cap: Easier-Cleaning and Better-Thermal Exchange
  • Material: Chromed Brass for Durability and Long Life
  • 4 Low Pressure Ports 3/8"UNF Thread
  • 1 High Pressure Port 7/16 UNF Thread
  • Second Stage:
  • Downstream Demand Valve Design
  • Mid-Size, High Performance Regulator
  • Easy-to-Grip Venturi Knob Stops Free-Flow
  • Aqua Lung's Comfo-Bite Mouthpiece, Reduces Jaw Fatigue
  • Exhaust Tee Grid: Finer-Exhaust Bubbles for Less-Noise and More-Stability
  • Housing: Reinforced Polycarbonate
  • Easy-Purge Front Cover
  • Front Cover: Side-Openings Prevent Free-Flow in Current or Riding Scooter

Aqualung Calypso Regulator Specifications

1'St Stage Type
Non-Balance Flow-By Piston
Lp Ports
4, Thread 3/8" Unf
Hp Ports
1, Thread 7/16" Unf
Adjustable 2'Nd Stage
Yes, Venturi Knob
Nitrox Compatible
Yes, Up To 40% O2
2'Nd Stage Type
Downstream Demand Valve
First Stage: Chrome Plated Brass, Second Stage Housing: Polycarbonate
Hose Thread
Total Weight
34.24 Oz (970.7 G)
Weight [with packaging]
3 lb
Mfr #

Calypso Regulator Customer Reviews

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by PowerReviews
Aqualung Calypso Regulator

(based on 1 review)

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Reviewed by 1 customer

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cant beat it

By mark

from waynesboro va

About Me Casual/ Recreational

See all my reviews


  • Adjustable
  • Comfortable
  • Effortless Breathing
  • Nitrox Compatible


    Best Uses

    • Cold Water
    • Warm Water

    Comments about Aqualung Calypso Regulator:

    this is a great reg. for the price has great features. all around you cant beat this reg.

    • Diving Type:
    • Drift Diving, Night Diving, Open Water Diving
    • Was this a gift?:
    • Yes

    Comment on this review

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    Questions & Answers Powered by TurnTo®

    Questions about this item:

    Shopper  Why Did You Choose This?
    ERNEST S  This thing is great. I have used it for a few years now with no problems. I dive mostly in warm water so I dont know its characteristics in cold water. From the surface to 120'. No issues. Works great. Its comfortable in my mouth and I have never had it try to free flow on me.
    Shopper  What is the temperature range for this regulator?
    ARIANNA D  I used this regulator in Croatia this summer in water that was about 14 degrees Celsius, and in Sri Lanka last summer, in about 29 degrees Celsius, or 57-80 degrees Fahrenheit and it worked beautifully. The sites were also very different in terms of depth: Sri Lanka was 110 feet and Croatia was 10 feet, and there was a lot more sediment in Croatia. I think it's a really solid regulator and would definitely recommend it. I would also recommend the Cressi XS Compact MC9 regulator which I preferred only because of its smaller profile.
    Shopper  Can this support a pressure gauge and an octopus? I'm use to 2 HP ports
    Frank L  Only the pressure gauge is High pressure. Octopus and Inflator hose are both Low pressure. yes, it can support both.
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