Understading Subwoofer Specifications.

[vivekayush]

Hi,

This is my first post here.

Recently, I purchased "Wharfedale MovieStar 65+ Super" Speaker system (review available at http://avmax.tech2.in.com/reviews/hometheatre-speaker-package/wharfedale-moviestar-65-review/916050). Specifications of its Subwoofer given in the Product Brochure were as under:

01. Boundary Position:28-170 Hz;
02. Crossover Range: 35-85 (10 Hz step);

However, when I got the product, I noticed that:
a. No Boundary Position was given in its User Manual;
b. Crossover Range was 70-170 Hz in User Manual as well as on the Subwoofer itself;
c. LF Response (fb) was given as 45 Hz in the User Manual.

I request you to kindly let me know that:
i. What is the meaning of "Boundary Position: 28-170 Hz"?
ii. What is the meaning of "LF Response (fb): 45 Hz"?
iii. What is the Frequency Response Range of the Subwoofer (if known to you)?

Thanks.

 

[chrisc]

 

[KenMasters]

 

[smc]

 

[Timber_MG]