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Adding Sub to current system

I currently have a pair of Sonus Faber Electa speakers. These speakers have 6" and 1" drivers respectively and have a 1st order crossover. The popular magazine test disk demonstrate the speakers go down to about 40HZ. I'm interested in what I'm missing below 40HZ besides just a non-musical "BOOM". I know for a price musical Sub's are available, but would it be an exercise in futility trying to integrate a Sub into my system? The spot I would choose for it would be to the left of my speakers in a corner - your thoughts please!
Rpg
rpg
rpg OP
126 posts
 
My amplification is by Krell and I found a spot next to a chair where the Sub would be open in front and back, and yes, I have heard good things about Rel - thanks!
tls49's avatar
tls49
1,351 posts
 
Transnova,

I agree that REL subs may be on the cutting edge for this issue of corner placement, but as a general rule, many will "BOOM". I helped a friend with his ML sub, retail at well over $3000, owners manual said corner. Tried everything with adjustments, sub and pre-pro, and could not get a flat response. I was using a sound level meter and test disc with bass tracks only. We moved the sub down the side wall 1/5 of the total wall length, and was able to achieve a much better response.
tls49's avatar
tls49
1,351 posts
 
Just happen to think of a trick for placement. Place the sub where you sit, and play the system. Walk around the perimeter of the room and listen. When you find a spot that has the best sound, that's where the sub goes.
zmanastronomy's avatar
zmanastronomy
738 posts
 
To touch on the question of what your missing is questionable.
I can live with a well imaging speaker that rolls off at 40hz.
But you're missing about 10% of the music. If that much.
Good 40hz bass is MUCH better that bloated anything lower.
Sub's are very hard to blend perfectly with satalite speakers.
Once you've had full range speakers and then go the Satalite + sub, there's definatly a differance.
Just my two cents worth. John
xti16
1,525 posts
 
I have a Rel B3 with my Dynaudio C1's and getting the phasing right is the tricky part. I have mine crossed over at 32hz (C1 rated to 45hz) and the gain up and there is no BOOM here. Honestly I will say if the phasing is off and or crossed over too high it will have a boom. I get that last '10%' but it really adds to the mids and overall sound stage.
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