APEKS MTX-RC 1st Stage, Dive Regulator
APEKS MTX-RC 1st Stage – Rugged Cold Water Performance with Adjustable Breathing Control
Engineered for extreme environments, the MTX-RC 1st Stage delivers uncompromising cold water performance and stable intermediate pressure in the most demanding dive conditions. Designed with a balanced diaphragm system and advanced environmental sealing, this first stage maintains consistent airflow even in low temperatures and high workload scenarios.
Built by Apeks and trusted by military, technical, and professional divers worldwide, the MTX-RC 1st Stage is known for rugged durability and precision engineering. At Aquatic Sports, we recommend this DIN configuration for divers seeking a mission-ready foundation for high-performance regulator systems operating in cold, deep, or technically challenging environments.
Why Divers Choose the MTX-RC 1st Stage
- Extreme cold water capability with advanced environmental sealing
- Balanced diaphragm design for stable intermediate pressure
- Consistent airflow delivery across varying depths and tank pressures
- Rugged satin chrome construction for harsh marine conditions
- Secure DIN connection for high-pressure cylinder compatibility
Key Features
- Environmentally sealed first stage to prevent contamination and freezing
- Precision-engineered internal components for stable performance
- Multiple low-pressure and high-pressure ports for flexible hose routing
- Compact and durable profile for technical diving configurations
- Designed for advanced recreational, cold water, and technical diving applications
Perfect For
- Cold water divers requiring maximum reliability
- Technical divers building performance-driven regulator systems
- Professional divers operating in extreme environments
- Divers upgrading to a rugged, mission-ready first stage
Mission-Critical Confidence
The MTX-RC 1st Stage delivers stable pressure management, extreme cold water protection, and trusted Apeks engineering, providing a dependable foundation for advanced regulator systems in any demanding dive environment.





