ACUPRO Measurement System Technical Specifications

  Frequency Range 50-5650 Hz (with ¼” microphones)
  Driver JBL 2426H
  Maximum SPL in tube 130 dB
  Ambient SPL in tube < 30 dB
  Microphones accepts 1/4 and 1/2 inch microphones
  Length 40-1/2 inches (1.03 m)
  Tube Diameter, ID 1-3/8 inches (34.9 mm)
  Tube Diameter, OD 1-5/8 inches (41.3 mm)
  Weight 23 pounds (10.5 kg)