Used Cressi MC-9/Ellipse Titanium Regulator

The Ellipse Titanium uses an elliptical housing for the second-stage regulator which is made from hi-tech polymers and titanium. The use of titanium and the polymer create a very lightweight regulator. All the internal components of the Ellipse are a dependable high performance downstream valve design. Once the valve has open the air is channeled by injection to the liquid silicone mouthpiece creating a venturi-effect enhancing the performance. On the top of the housing there is a flow deviator that acts on the Venturi effect, with dive/pre-dive switch.

The Balanced 1st stage MC9 hyper-balanced diaphragm actuated 1st stage has a lightweight body covered by a protective techno-polymer elastomer shell. Various parts of the 1st stage is made of lightweight titanium further reducing its weight. The regulator is equipped with four low pressure and two high pressure ports. Internally the 1st stage is coated with an anti-friction anti-corrosion material that reduces resistance and allows the critical components to move freely. This makes the components perform and last longer between annual servicing and increases performance.

Research on internal air passages and incorporating a special assist chamber has lowered the drop of intermediate pressure upon inhalation and has kept this drop at a minimum, guaranteeing higher performance in any situation. Hyper-balancing allows for an increase of the intermediate pressure at maximum depths and when experiencing low pressure in the Scuba cylinder, offering higher performance at maximum depths and during the ascent phase of the dive. Regulator weighs 31.8 oz. (901 g) with the hose and comes with an owner's manual.