B&W 801 Series 2/3’s port

[presscot]

Does anyone know the length and the diameter of the B&W 801 Series 2 or Series 3’s port? Please assist to provide me. I cannot thank you enough.

 

[TBTL]

B&W 801 series 2 appears to be tuned at 19 Hz
B&W Matrix 801 Series 2 loudspeaker Measurements | Stereophile.com

 

[presscot]

Hi TBTL,

I’m looking for their port dimensions. Thank you very much though.

 

[presscot]

Does anyone own these B&W's?