 A ready-to-go regulator system for DIR/Hogarthian twinset divers, the package consists of two high performance Halcyon H-75P piston first stages, an adustable Halcyon Halo second stage as primary regulator on a 7' (210cm) hose and an Aura second stage as backup on a 24" rubber hose.
This special offer also includes an original 53mm/360 Bar Halcyon SPG with 24" or 26" HP hose plus regulator necklace and two stainless steel bolt snaps (3/8 and 1/2).
PACKAGE CONTENTS:
- Primary 2nd Stage: Halcyon Halo with 7 foot (210cm) rubber hose
- Backup 2nd Stage: Halcyon Aura with 24" rubber hose
- 2 x First Stages: Halcyon piston H-75P First Stage (DIN fitting)
- Halcyon Standard 53mm 360 bar bezel SPG with 24" or 26" rubber hose
- Backup Regulator Necklace
- 3/8" stainless steel Bolt Snap for main reguator
- 1/2" stainless steel Bolt Snap for SPG
2 x HALCYON H-75P 1ST STAGES:
Halcyon's H-75P first stage offers many refined features that ensure consistent delivery with performance that ranks among the very best in diving industry. The stable, intermediate pressure provides precise delivery of air to the second stage. This means you will experience a remarkable ease of breathing while diving in all environments; this is true at nearly any tank pressure and within almost any water temperature.
This sophisticated technology is among the best in the industry freeing you to get the most out of your diving.
 Air balanced flow-through piston delivers an optimal amount of air to the second stage, remaining unaffected by changes in tank pressure.
Lightweight & responsive components create prompt adjustments to breathing demands in all conditions, temperatures or tank pressures.
Enjoy the smoothest breathing regulator whether you are on the final hours of an extreme cave exploration or on a blue water ascent after a magnificent Grand Cayman wall dive.
Five High-flow, Low-pressure Ports allow you to customize your hose routing for comfort and convenience. The Halcyon 360 degree swivel turret cap with high flow ports ensure the best air delivery possible with up to 15% more air than other LP ports. Combined with Halcyon's "long" primary hose and backup necklace your hoses can be configured where you need them.
Whether diving a sophisticated rebreather or a simple, open water system you can create a configuration that supports easy movement, reduces jaw fatigue from ill-routed hose position and streamlines your diving profile.
Two opposing high pressure ports allow you to choose where to route your SPG and allows the use of accessories. Most Halcyon divers route their pressure gauge to the left but the Halcyon H-75P allows flexibility with any configuration you choose; these options provide freedom to support personalized and advanced hose routing configurations.
- 300 Bar DIN
- Nitrox 40% compatible
PRIMARY 2ND STAGE - HALCYON HALO:
Halcyon’s Halo second stage regulator offers steadfast reliability and impeccable performance; two methods of breathing adjustment make it the top choice for demanding divers.
As soon as you experience the smooth, high volume of air delivered by a Halcyon second stage you will be hooked. Balanced downstream valve, adjustable inhalation, air control vane and a comfy mouthpiece.
 Breathing underwater should feel natural and that experience is one of the things that most clearly separate Halcyon second stages competitors.
As soon as you experience the smooth, high volume of air delivered by a Halcyon second stage you will be hooked. The high quality second stage regulators provide diver adjustable controls for the ultimate in breathing performance.
Halcyon’s Halo second stage offers steadfast reliability and impeccable performance; two methods of breathing adjustment make it the top choice for demanding Halcyon divers. The Halo provides amazingly smooth performance in all conditions providing unsurpassed performance with enhanced technology.
Balanced, downstream valve offers incredibly smooth breathing in all conditions. The design slightly offsets the force of the downstream air entering from the first stage, allowing reduced spring tension and a decreased inhalation resistance. Halcyon first stages are balanced, so the Halo is a perfect fit with the H-75P.
Adjustable inhalation control refines breathing effort by way of an easy access control knob; this allows the demanding diver an opportunity to fine-tune the air delivery of the second stage.
Air Control Vane (ACV) offers a second diver adjustment for the ability to fine-tune breathing. The ACV uses vacuum assist technology to reduce work of breathing and increase diver comfort. This level of refinement is available on all Halcyon second stages.
ACV in “dive” position gives powerful breathing support while ACV in “Halcyon” position helps prevent free flows; this can be helpful on the surface, when diving in currents, while scootering, or when the Halo is used as a backup regulator.
Comfort mouthpiece is standard on every second stage to reduce jaw fatigue and mouth irritation. This long lasting mouthpiece requires only a minimum effort to hold comfortably in place. In combination with the freedom of head movement provided by Halcyon’s primary long hose, you will enjoy dives free from the jaw fatigue common with certain mouthpieces and/or poorly balanced hose routing.
- Compatible with 40% Nitrox
BACKUP 2ND STAGE - HALCYON AURA:
Halcyon Aura second stage regulators provide a simple, compact design that makes breathing under water feel completely natural. This high quality second stage delivers air in a smooth, dependable fashion.
 Halcyon’s Aura second stage comes with a single adjustment control and a pre-set inhalation effort that suits most common diving situations; this feature makes it a common selection as a backup regulator.
The Aura is an ideal regulator for divers who want a simple, ready to dive regulator.
Classic downstream valve style regulators have an impressive safety record and are commonly accepted as an extremely reliable design.
Part of their reliability results because the downstream valve opens in the same direction as the incoming airflow; a spring counteracts the force of the incoming air. In this design a small inhalation is required to overcome the spring tension and open the valve. This spring pressure is adjusted at the factory and allows easy breathing and consistent performance.
Air Control Vane (ACV) offers a second diver adjustment for the ability to fine-tune breathing. The ACV uses vacuum assist technology to reduce work of breathing and increase diver comfort. This level of refinement is available on all Halcyon second stages.
ACV in “dive” position gives powerful breathing support while ACV in “Halcyon” position helps prevent free flows; this can be helpful on the surface, when diving in currents, while scootering, or when the Aura is used as a backup regulator.
Comfort mouthpiece is standard on every second stage to reduce jaw fatigue and mouth irritation. This long lasting mouthpiece requires only a minimum effort to hold comfortably in place. In combination with the freedom of head movement provided by Halcyon’s primary long hose, you will enjoy dives free from the jaw fatigue common with certain mouthpieces and/or poorly balanced hose routing.
- Compatible with 40% Nitrox
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