It's business as usual - all systems fully operational throughout Covid lockdowns. No account needed to shop.


Your Basket is Empty


Audax HM170C4 Bass Midrange

Notify me when this product is available:

Audax HM170C4 Bass Midrange.

Heybrook Octet.

High performance 170mm / 6½ inch bass midrange featuring a woven carbon fibre cone, fully ventilated Zamak chassis, edge wound flat copper voice coil. This drive unit is a specific spare part for the Heybrook Octet.

New old stock in original factory boxes - very rare.

Key Features:

  • High damping / stiffness woven carbon fibre cone
  • Non resonant diecast Zamak chassis
  • Edgewound flat copper voicecoil
  • High compliance rubber suspension
  • Kapton voice coil former
  • Gold plated terminals