I searched for this answer but could not find it in these forums. The reason I am asking this question is that I want to be sure I am getting the best quality sound I can from my setup.
I know everyone has their own opinions about what frequency your bass crossover in your receiver should be set on. What I am searching for is technical reasons why it is better to set one frequency over another for MY system.
To give everyone background on my current setup:
• I have my receiver set to crossover at 80Hz.
• Subwoofer (SVS PB-12/plus) has its internal crossover turned off.
• All my speakers are set to small
• System is in a 7.1 configuration (see signature for speakers)
• Receiver has the capability to be set at 40, 60, 80, 100, or 120Hz.
• Only consider Home Theatre applications and not music applications
The reason I have it set at the above settings is that the THX spec is 80Hz with all speakers set to small.
IMHO, my reasoning, THX spec, for the configuration is not technically defendable. Why select 80Hz over 60Hz (remember we are just talking about my system and not systems in general)? What advantages/disadvantages am I getting for selecting 80Hz over 60 or 40Hz?
From what I have read, the 80Hz or below crossover setting makes technical sense since frequencies above 80Hz can be localized with our senses. Thus a crossover set to 120Hz on my system would allow my brain to determine that the bass came from the sub in the corner of my room and thus detract from the theatrical presentation. 80Hz and below are non-directional to our mind and thus the bass seems to radiate from all around the theatre. Is this assessment correct?
If the above assessment is correct, then between my choices of 80Hz, 60Hz, and 40Hz which would be the best for my system and why (don’t forget about the WHY)?
Please take in consideration that I have plenty of power to drive my speakers any way I want, the size of the RTi12’s and CSi5, and the quality of the SVS Sub.
Thanks again guys,