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- Unique over-balanced, diaphragm design – as the diver descends, the over-balancing feature allows the medium pressure gas in the hose to increase.
- An environmental dry system keeps water out of the main spring chamber, preventing ice buildup and keeping silt and contamination out.
- A heat exchanger (patented) which surrounds the valve mechanism, dissipates the cold.
Before the XTX range of regulators came along, the ATX models ruled the seas. The ATX is still available today and offers a fully balanced first and second stage with cold water capability.
The Apeks ATX Regulator is a high-performance regulator, which boasts an over-balanced first stage coupled with a pneumatically balanced second stage and a diver adjustable venturi.
The smooth, quiet breath is sure to enhance your diving enjoyment. Suitable for coldwater use thanks to its first stage environmental dry seal and second stage heat exchanger.
The ATX is extremely light (25% lighter than the TX models) and the special mouthpieces reduces jaw fatigue.
Compatible with EAN40 out of the box.
Uses the DS4 first stage
Unique over-balanced, diaphragm design – as the diver descends, the over-balancing feature allows the medium pressure gas in the hose to increase at a rate faster than ambient. This results in superior performance at depth.
1 HP port and 4 MP ports are available.
An environmental dry system keeps water out of the main spring chamber thus preventing ice buildup and keeping silt and contamination out.
Available in DIN and yoke.
Pneumatically-balanced second stage results in smooth, easy breathing.
The large purge button on the ATX is easy to operate even with thick gloves.
The integrated venturi control provides a performance boost at depth while preventing unwanted freeflow at the surface.
An extremely efficient exhaust valve improves the breathing performance of the regulator.
The Comfo-bite™ mouthpiece virtually eliminates jaw-fatigue.
A heat exchanger (patented) which surrounds the valve mechanism, dissipates the cold caused by gas expansion while drawing in the warmth of the ambient water.
Offers a compact, integrated exhaust tee.
Connections Yoke or DIN
Type of first stage Over-balanced diaphragm design, environmentally sealed
Body Type Cylindrical with environmental dry seal (DS4)
Number of HP ports 1 (7/16″ UNF)
Number of MP ports 4 (3/8″ UNF)
Environmental Dry Kit Standard
First stage exterior Chrome over marine brass
Coldwater Use Yes
Type of second stage Pneumatically balanced
Integrated Venturi Lever Yes
Exhaust tee Diver Changeable – comes with 2 sets
Heat Exchanger for freezing resistance Yes
Overall work of breathing (WOB) scores Avg. 0.85 joules/liter
Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.
Weight Yoke 1130g
Scuba Dive Store always offer an extended returns policy of 30 days – so you can rest assured that if the suit, piece of diving equipment or gift doesn’t suit then just send it back and we will either exchange it or offer a full refund less any postage costs. Please return the item to the following address: