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  3. 184926-182001

Adding an Sub that doesn't go well below speakers?

The backbone of my setup is based on a couple of Canor Monoblocks that feed a pair of Marten Oscar Trio. The trio are rated for 27hz (-3db), but I still feel that the system would benefit of having one or two subwoofers that help both of below 27 while also allowing more breathing space for the speakers.

 

I was considering a couple of REL T5X because of the little footprint as well as the high line connections (the amps don't have a dedicated low-level sub out). But just before pulling the trigger, I saw that the T5X is rated at 37hz (-6db). 

Would it make sense to add them to the system? Doesn't sound right. I know probably the Martens roll off above 27, but perhaps 37hz sub is too high for my system.

Perhaps a T9X that goes to the same 27hz? Or do I definitely need to splurge and do for an S series, like the S510 that is rated at 20 hz? If I do an S510 I will do just one and add a second once my wallet recovers.

 

Well, would love to hear from you. 

128x128javipi

Showing 1 response by mijostyn

mijostyn's avatar
mijostyn
8,223 posts
 

@javipi , No, no the way you are planning on adding it to your system. First off, frequency response measurements are taken at one meter. That is a far cry from 4 meters. Most speakers do not put any significant power out below 50 hz.

If you were planning on using a complete, two way crossover, crossing up above 80 Hz you would get the benefit of decreasing distortion and increasing headroom even if you did not lower your bass. 

IMHO the low pass filters used in the majority of subwoofers is a bad joke. They do not high pass the main speakers and give you no control over slope and time alignment, two functions that are vital for proper integration. Other than having deep bass you should never be able to hear a subwoofer even crossing up at 120 Hz. Digital bass management is the superior way of doing thi Everything else is a compromise one way or the other.

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