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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
kijanki's avatar
kijanki
4,410 posts
 

Assuming 18ft between front and back wall your room will amplify 1125/36=31.25Hz and multiples (62.5Hz, 93.75, 125Hz etc.).  31.25Hz is alway welcome, but multiples require room treatments.

audioman58's avatar
audioman58
3,907 posts
 

A good Subwoofer will be far more articulate and controlled and far better punch such as Svs 4000SB  no contest for just over $3 k a pair if you get them on sale from the outlet. The Cabase no way it get 20 HZ with impact reaching 20 hz for a millisecond won’t cut it ,my brother has bigger Wilsons and still has these same 

Svs subs  tuned with their excellent App,Free  REW bass program ,and you buy a DSP Mike ,after learning and taking a few readings you sent to SVS  and they tell you exactly where to set the parametric eq on the app to truly flatten room bass nulls and tune the Bass to your room , night and day better Bass, Svs pays shipping ,a 45 day trial 

and even return shipping $100% refund if not happy and 5 year transferrable warranty ,a great company to do business with.

tubebuffer
417 posts
 

Yes you need subwoofer without doubt there be shadow.

havocman
350 posts
 

there's no way speakers that are rated at 41 HZ are going to go down to 20 HZ in your room what kind of measurements are you using?

erik_squires
15,886 posts
 

there's no way speakers that are rated at 41 HZ are going to go down to 20 HZ in your room what kind of measurements are you using?

The words of those who don't have a lot of practical😀 experience. 

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