The F8 has an environmentally sealed balanced diaphragm first stage made from durable brass, and featuring a precision-machined neoflon seat. Most regulators can be converted from a DIN to a Yoke or vise versa but converting the regulator from one to the other cost about $100. All of these brands have high-end and low-end models. The overall work of breathing on past Legend models was .74 J/l but is not listed for the third generation. The low-pressure value can be adjusted with an exterior Allen key screw. The XL4+ is one of their newest regulator effectively an XL4 but with an added high-pressure port and a nifty white colour scheme and as with its predecessor, was designed from the outset to be a very lightweight, travel-friendly unit, but crucially, also cold-water rated. This is a decent regulator for warm water diving in under 60 feet of water. It is an environmentally sealed overbalanced diaphragm design, with a heat exchanger wrapped around the HP valve, so perfect for cold-water diving. When doing deep and technical diving it is also common to have a third regulator on a small backup scuba tank called a pony bottle. The entire regulator weighs just 2.5 pounds. Everything about this regulator is built quality. It is made with sound-absorbing plastics and corrosion-resistant titanium. This regulator is environmentally sealed against cold and contamination. Its first stage is a balanced piston design. This gauge connects to a high-pressure port on the primary regulator. Technical divers, cave divers, and wreck enthusiasts prefer this style because it is so secure. That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their Safety and Happiness. The scuba octopus is a backup of the second stage regulator. This helps fight fatigue while diving under challenging conditions and prevents you from feeling air starved when diving in cold climates. Its second stage features the comfo-bite mouthpiece and a Venturi knob to control the airflow and breathing effort. Still waiting to find a 1st that balances as good as any Legend I had on my Flow Benches. If you find the advice usual, please consider using the buy now button, we'll earn a small commission which helps us write more content. The first stage and second stage components are milled from a solid bar of Titanium. The Dual Adj is made from an ultralight technopolymer, which is abrasion resistant but extremely lightweight, making it ideal for cold-water use, but also for travel. How to tell difference between Aqualung Legend vs Supreme. If the regulator falls out of the divers mouth the diver should exhale to not hold their breath. Features include zirconium-plated brass and titanium components as well as the patented automatic flow system. Log in or Register now! Unusual, but it works extremely well. When using a steel tank with a yoke regulator the diver should make sure the tank was not filled above 3,00 psi. CRACKING RESISTANCE:Yes |VENTURI:No|VERDICT:The MTX-R set the bar high for a cold-water reg, and the MTX-RC builds on this platform, adding a highly efficient venturi lever and cracking resistance control into the mix. Joining is quick and easy. The exhaust is fairly compact, but the routing is sound and it disperses exhaled bubbles efficiently. The super-comfy mouthpiece, which is soft but has harder inserts in the bite, is very reminiscent of Atomic Aquatics. But, this can make them slightly more prone to freeflow. It features an oversized purge button, Superflex braided hose, and a chunky knob on the side for adjusting the cracking resistance of the inhalation effort. Mares gave their regulator line-up a serious overhaul for 2019, and the Epic Adj 82X still represents a formidable unit.
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