Halcyon Aura / H-50D double cylinder Tech diver Regulator Set

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Sale price$2,430.00 Regular price$2,700.00


The Halcyon Aura Tech Diver Regulator Set consists of two Halcyon H-50D Diaphragm environmentally sealed first stages, two Aura downstream second stages, a full Halcyon hose kit, a brass body Halcyon Master SPG plus two small stainless steel bolt snaps, a regulator necklace and a regulator bag!

This set is a complete twin tank regulator setup, which sets you up right away for twin tank diving.

Halcyon’s H50D first stage is a balanced diaphragm. It is environmentally sealed, which makes it suitable for harsh dive conditions such as extremely cold water or contaminated environments. The high-performance diaphragm design has been popular with cold water divers for quite some time.

The H50D features two high-pressure ports on opposing sides. This way you are free to choose where to attach your SPG. Together with the four low pressure ports, it gives you a lot of freedom for your preferred hose routing.

It is a 300 bar DIN fitting with a Nitrox compatibility of up to 40%.* With the correct adapter, you can also convert this first stage into a Yoke fitting.


  • Balanced and environmentally sealed diaphragm
  • 2 HP and 4 LP ports
  • 300 Bar DIN first stage

The Halcyon Aura second stage is a classic downstream valve in a compact and simple design. No unnecessary gimmicks, which is partly what makes this reg so reliable. It is a high quality second stage delivering air consistently. The breathing experience can only be described as smooth and dependable.

The Aura also features an Air Control Vane (ACV). With the ACV you can fine tune your breathing according to your personal needs. In ‘dive’ position, it provides a powerful breathing support. In ‘Halcyon’ position it prevents free-flows or loss of air, when using it as a back-up regulator.


  • Classic downstream valve second stage
  • Air Control Vane
  • Comfort mouthpiece

Halcyon pressure gauges are as reliable as they are accurate. We start with an industrial-strength spring designed for pressures beyond 5,000psi (400bar), high-quality materials, and a highly visible, luminescent face which. makes this a common favorite among divers in all environments. Pick from our Standard or Stage pressure gauges.

  • Hoses and Regulator Bag included
  • Bench testing by an authorized Halcyon regulator service technician is recommended prior to use



We want you to be happy with your purchase so where at all possible we encourage you to visit our Scuba Culture store located at Unit 2/121 Highbury Rd Burwood in Victoria so that you can look, touch and try things on. We realise that you may be interstate and unable to visit so where possible we supply sizing charts so that you can make an accurate decision for your sizing selection.
See our full Returns Policy.


Click & Collect is available for FREE from Scuba Culture in Victoria. For shipped orders, our shipping fee is $15. Any size, any location within Australia. One flat rate. However, this does not apply to tanks or lead. ScubaDiveShop.com.au will usually be able to process your order on the same business day as it is received.
See our full Shipping Policy.

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