The PYB bass reflex tube
 
Technical data :
 
Diameter of the aperture: 66mm
Bezel thickness: 3mm
Installation diameter: min 50mm
Wall thickness for assembly: 17mm - 25mm
   If the wall thickness is smaller or larger than this, please enter it in the notes field during checkout. I'll adjust that then.
Minimum length of the BR channel: 42mm 
  Please enter the desired length of the BR channel in the notes field during checkout
 
The retaining ring is only required if access to the thread for attaching the nut is not possible. The retaining ring is used to attach the nut to the inside of the housing.
 
Don't see the color you want? If you have any questions, please use the contact form on this page.