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Will I benefit from a subwoofer with 20Hz speakers?

My source is a minidsp shd studio with Dirac going into Denafrips Gaia DDC to Denafrips T+ DAC to McIntosh 601 Monoblocks to Cabasse Pacific 3 speakers. The speaker's published frequency response is 41-20,000Hz. I presume this is achieved in an anechoic chamber. In my room however, it goes down to 20Hz, at least according to the Dirac measurements. In fact, I needed to flatten the curve and  reduce by 5-20 DBs between 20-100Hz due to the room effect.

So, considering I already go down to 20Hz, is there anything else 1 or 2 subwoofers will do for my system?  Would it create a more consistent low frequency field? I see many people adding up to 6 subs, so I wonder what I'm missing. 

Thank you for your insight! 

dmilev73

Showing 1 response by clearthinker

clearthinker's avatar
clearthinker
1,582 posts
 

Speaker manufacturers need to quote frequency range within decibel limits.

If Cabasse quote 41Hz at the bottom end it might be -3dB or -6dB, or worse.  Whatever, at the usual rate of roll-off there will be nothing at 20dB.  If OP is hearing a significant signal then it might be room effect but more likely check his Dirac.

For those interested bottom B on a Steinway Model 6 is 31Hz.  The bottom of a string or electric bass is 41Hz.

Those wishing significant musical output down to 20dB definitely require sub-woofers with these Cabasses.  I wonder what instrument they are listening to.

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