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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

Showing 1 response by dbphd

dbphd
1,632 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.
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