Questions and Answers for Oceanic Alpha 9 / SP-6 Maxflex Sport Regulator:
So whats the main dif between the sp-6 and sp-5?
Bob (Certified Scuba Instructor at Scuba.com)
It is essentially the same sport unbalanced, piston 1st stage.
ALPHA 9 We set out to make a “standard” regulator that was simple, dependable and economical. What we didn’t expect was that in tests it would outperform other high-end regulators. Not an easy feat for a “standard” downstream demand valve regulator. With the Alpha 9, you get effortless breathing in a compact design that is extremely tough yet easy to maintain and service.
Professional performance, entry-level price. If you believe that you shouldn't have to sacrifice performance for price, the Alpha 9 is for you. The Alpha 9 is the top-performing regulator in its class, and one of the most affordably priced regulators you can buy.
The best price-to-performance ratio in its class Designed to perform to the U.S. Navy's Class A standards at 198 feet Inexpensive to maintain Paired with our SP-5 Sport Piston First Stage with optional DVT (Dry Valve Technology) Available with MaxFlex Hose which is a lightweight, flexible, Braided hose designed to outperform and outlive traditional rubber hoses.
Best Price / Performance ratio in its class Not only is the Alpha 9 an economical buy for the diver on a budget, it is just as inexpensive to maintain. Standard replacement parts can cost as little as half of those in other regulators in its class.
Patented orthodontic mouthpiece To further reduce jaw fatigue, the Alpha 9 features a patented Orthodontic Mouthpiece, designed to accommodate the natural overbite of the human jaw.
Nitrox Compatibility The Alpha 9 is classified as being suitable for use with nitrox breathing gas mixtures containing up to 40% oxygen by volume without the need for special preparation, cleaning or component parts.
SP-5 Sport Piston First Stage The SP-5 offers all divers the opportunity to own a top-performing regulator at an unbeatable price. Repeatedly rated as the best in its class, the Alpha SP-5 exceeds both Navy Class A and European CE standards. The Alpha SP-5 may have been the first regulator you ever used due to its widespread use in rental and resort operations.
FEATURES & FUNCTIONS ALPHA 9 SECOND STAGE Valve Type DEMAND Adjustment
Integrated Purge Button YES Mouthpiece ORTHODONTIC Nitrox Compatibility STANDARD TO 40% Ambidextrous
Weight (without hose) 6 OUNCES Dimensions (front profile) 2.9 INCHES First Stage Configurations PX-2/SP-4 Minimum Cracking Effort 1.1 CIW* Factory Set Inhalation Effort 1.2 - 1.4 CIW* Work of Breathing 1.23 JOULES (PX-3) 1.47 JOULES (SP-5) Warranty 2 YEAR Limited Lifetime Service Agreement YES 30-Day Satisfaction Guarantee YES
FEATURES & FUNCTIONS SP-5 Valve Type UNBALANCED PISTON Primary Material MARINE BRASS Low Pressure Ports 4 High Pressure Ports 1 Integrated Swivel
Nitrox Compatibility STANDARD TO 40% 300 BAR DIN Fitting OPTIONAL Sealed Valve Design
Weight 26 OUNCES Factory Set Intermediate Pressure 140-145 PSI Pressure Drop 13 PSI Warranty 2 YEAR Limited Lifetime Service Agreement YES 30-Day Satisfaction Guarantee YES