Phelps Apex Series Diaphragm Elk Calls

The Pinnacle Series diaphragm calls use a “Tall Dome” that is ideal for people with a tall pallet. These calls makes authentic bull and cow sounds. 3 calls equipped with 3 different latex thicknesses and stretch options to match your calling preferences.

• Pinnacle 1: Light Build = Light Air Pressure
• Pinnacle 2: Medium Build = Medium Air Pressure
• Pinnacle 3: Heavy Build = Heavy Air Pressure
   

The Summit Series diaphragm calls use a “Half Dome” for people who prefer a minimal dome feeling for the roof of their mouth. These calls will universally make great bull and cow sounds with ease. 3 calls equipped with 3 different latex thicknesses and stretch options to match your calling preferences. 

• Summit 1: Light Build = Light Air Pressure 
• Summit 2: Medium Build = Medium Air Pressure 
• Summit 3: Heavy Build = Heavy Air Pressure
   

The Vertex Series diaphragms use a “Flat Dome” for people who don't desire a dome style call, but enjoy the consistency and forgiveness a dome provides. The Vertex excels at cow vocalizations and can make bull sounds as well. 3 calls equipped with 3 different latex thicknesses and stretch options to match your calling preferences. 

• Vertex 1: Light Build = Light Air Pressure 
• Vertex 2: Medium Build = Medium Air Pressure 
• Vertex 3: Heavy Build = Heavy Air Pressure