Group delay in high order parallel

It looks like a paraflex response , but possible with less resonances up top initially because of the ‘shorter’ Helmholtz resonator being used for the low tuned section?
 

Attachments

  • IMG_0161.jpeg
    IMG_0161.jpeg
    168 KB · Views: 33
See , i never had an HT and have not DIY one anyhow , but my brother in law gave me as a gift a Klipsch HT sub.... I think is an 8" or 10" , I need to look at the model in the back, I stick it in in my living room corner (it is a small living room) and I moved the LP to 70hz... To complement the Vizio sound bar i use in my flat screen.

If I go higher than 70 ( according to the LP know