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I finally added a second REL Sub

It's taken me years to get to this point.  Subwoofers were 2-channel system blasphemy when I was coming up in the hobby.  As of today, I now have 2, REL T9is.  They are providing sub-bass and filling out the picture for Klipsch Cornwall IVs.  Even with a loudspeaker as massive and efficient as the Cornwall IV, they fill things out nicely.  

How pleasing it was to hear the two in unison.  I run them so low on crossover and volume that the only thing you hear is sweeter more extended highs against a fuller picture down low.  They are simply not audible in their own right.  Yes, it's true--good sub bass management helps treble and midrange.  

As a hack musician of 20 years or so, I can tune them by ear when I hear a well recorded kick drum, bass guitar and horns.  I tried tuning with mics and software but the good ol' ear does very well here.  

If you're on the fence about one or maybe a second you owe it to yourself to try it.  Is SWARM next? Doubtful.  This is, however, very pleasing indeed. 
jbhiller
golfnutz
231 posts
 
What I'm saying is that I (or you) could buy a couple of no name brand 8" subwoofers and do the exact same thing. There is nothing musical to how you have these set up in your room. You mention sub bass, sorry that starts at 20Hz, these subs only go down to 28Hz. These are HT subs, so by your own words are not musical. The volume is so low, where's the music?

I just don't see what you're doing is anything to cause someone to create a thread about. As I said before, any novice can do what you did, except you spent $3k (list price), that could have been done for $300.00.

Personally, I'm more interested in here's a before and after thread - show us something interesting. 
dbphd
1,633 posts
 
I’m using two Velodyne HGS-15s to supplement KEF Reference 1s below 80 Hz. LR output from an Ayre KX-5/20 preamp goes to a SMS-1 bass manager that provides acoustic room correction for the HGS-15s. The sound is superb, never aware of the individual speakers.

Now for complications: I have a third HGS-15 and three HGS-10s. It’s been suggested that I use LFE from a Bryson SP3 processor I use for surround (front LR through Ayre by-pass) to the third HGS-15. I could use a second SMS-1 in pass-through mode to the three HGS-15 as a distributed setup.

I had a passive balanced 80 Hz 24 db high-pass filter built to insert between the Ayre preamp and amp, but it seemed to remove just a bit of the sense of air, so I haven’t been using it.

Advice about the subs and/or high-pass would be appreciated.
jbhiller's avatar
jbhiller OP
1,446 posts
 
Golfnutz, ?! 
Thanks for saying my thread is pointless. Yes, if going out and buying gear and setting it up as the mfr suggests is novice and not to your liking, the lions share of posts here are just that. 
I must be an idiot along with others and REL to do this when $300 would give me the same result!  Thank you!!! 



rauliruegas
13,125 posts
 
Dear @jbhiller  : @golfnutz and @james633 and @dbphd  are rigth and seems you have a misunderstood about the use of two self powered subs in a stereo home system sound reproduction. Btw, mozartfan is totally wrong on this particular issue

Please read this link:

https://forum.audiogon.com/discussions/do-you-think-you-need-a-subwoofer/post?postid=310058#310058

Obviously that you need to have true subwoofers that can goes below 20hz and maybe an external crossover that with some subs you could need it and with other manufacturer subs you just do not need it. Just in case:

http://old.bryston.com/products/other/10B-SUB.html


Btw, at your seat position two well integrated subs are enough, you don't need 4 subs and I repeat: at your seat position to listen stereo MUSIC not HT.

Regards and enjoy the MUSIC NOT DISTORTIONS,
R.
jbhiller's avatar
jbhiller OP
1,446 posts
 
@keelyofmb, REL doesn’t make it too easy to tell the exact settings in numerical terms. I’ll add up the hash marks and non adjustment clicks to get you a better answer. For now, they are set with the crossover at about 9 o’clock and volume slightly higher. 
I’m leaning towards even a lower crossover setting with similar volume. In either range they aren’t stepping on the speakers toes.  
I’m curious to try an active crossover. That does seem like more expense and work though. 

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