The 609 series features:

• Combination adult chestpiece precisely machined to exacting tolerances from lightweight aluminum
  
  
• Extra large 1 3/8" diameter bell
  
  
• Highly sensitive 13/4" diaphragm
  
  
• Non-chill bell and diaphragm retaining rim for patient comfort
  
  
• Internal spring binaurals are fixed at a 15º angle
  
  
• Custom molded 22" PVC tubing
  
  
• Adsoft™ PVC eartips (large size) and spare diaphragm included
  
  
• Weighs just 4.5 oz.
  
  
• Overall length 31"
  
  
• Five Year Limited Warranty