1125 GB A…O

FTK 1098 GB811 22 – FULL A…….O

Cast in magnesium alloy with CNC finishing, this full headform conforms to the GB 811-2022 shape for sizes A-E-J-M-O. It is specifically designed to accommodate a three-axis accelerometer adapter.

Technical data sheet :

  • Material: Headforms cast from magnesium alloy AZ91E ingots, with a density of 1.8 kg/L.

  • Standard: Weight and surface dimensions fully compliant with the requirements of the GB 811-2022 standard.
  • Frequency: Resonant frequency between 4900 Hz and 5600 Hz depending on size.
  • Machining: Headforms machined internally to provide the mounting location for the accelerometer.
  • Manufacturing: Headforms cast using models produced by CNC machining.
  • Finishing: Surface finishing entirely CNC machined.
  • Tolerance: Dimensional tolerance under 0.5%.
  • Reference: Reference plane marked by a needle on the surface.
  • Available Sizes: A 50 cm, E 54 cm, J 57 cm, M 60 cm, O 62 cm.

TECHNICAL FEATURES