RBH vs PSB vs Definitive Technology - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 07-14-2017, 10:55 AM - Thread Starter
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RBH vs PSB vs Definitive Technology

Hi guys I had a little free time and did a little more listening. I had compared my Def Tech's to the RBH's and decided to get my old PSB 300 bookshelves out of the bedroom for a little A/B listening with the R5bi's. Probably a little unfair as to me the one thing we can always tell from one "good" speaker to another is if one has significantly more bass with greater extension and I know these PSB's have surprised people in the past with there bass response.



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post #2 of 5 Old 07-14-2017, 10:56 AM - Thread Starter
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Originally Posted by toddRiffic View Post
Hi guys I had a little free time and did a little more listening. I had compared my Def Tech's to the RBH's and decided to get my old PSB 300 bookshelves out of the bedroom for a little A/B listening with the R5bi's. Probably a little unfair as to me the one thing we can always tell from one "good" speaker to another is if one has significantly more bass with greater extension and I know these PSB's have surprised people in the past with there bass response.



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Hi guys I had a little free time and did a little more listening. I had compared my Def Tech's to the RBH's and decided to get my old PSB 300 bookshelves out of the bedroom for a little A/B listening with the R5bi's. Probably a little unfair as to me the one thing we can always tell from one "good" speaker to another is if one has significantly more bass with greater extension and I know these PSB's have surprised people in the past with they're bass response.

<a href='http://i.imgur.com/8ZGFTCC' title=''><img src='http://i.imgur.com/8ZGFTCC.jpg' alt='' title='Hosted by imgur.com' /></a>

I was listening to Moana as It's been on heavy rotation for my daughter lately. I was listening to a musical number about the ancestors sea exploring and

http://i.imgur.com/8ZGFTCC.jpg

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post #3 of 5 Old 07-14-2017, 10:58 AM - Thread Starter
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<a href='http://i.imgur.com/ZjwGf0D' title=''><img src='http://i.imgur.com/ZjwGf0D.jpg' alt='' title='Hosted by imgur.com' /></a>

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post #4 of 5 Old 07-14-2017, 11:00 AM - Thread Starter
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post #5 of 5 Old 07-15-2017, 07:52 PM - Thread Starter
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Hello all, I've had a couple of opportunities to get the R5Bi's out and listen to them along with
doing some REW measurements with a miniDSP UM1k mic.I did another round of the R5Bi's a/b'd with def tech PM1000's at louder volumes.

On tracks like Weezer's Island In The Sun, Paul Simon's Kodachrome and the Eurythmics Sweet Dreams, I all
around prefered the R5Bi's smooth sound and great imaging. On Eminem's My Name Is, the PM1000's was more composed with their passive radiators vs the ported R5Bi's sounding like it
was about at it's limits with the woofers working a bit too hard and perhaps some cabinet resonance. Now this is 2.0 full range direct mode and I would never normally listen in this way when I have medium size room that is part of a much larger open floor plan when I have four subs to do the heavy lifting.

I've also seen because of the great reputation the R5Bi has it ends up being compared to other well reviewed (and larger) bookshelves. I don't have any new competitors but I have PSB 300 bookshelves I've been using in the master bedroom. Some of you may remember the original PSB Alpha bookshelves where all the rage years ago as the go to value audiophile speaker when it came out. The 300 made at the same time as the Alpha was to me was the Alpha with more and deeper bass. Here's a graph of their response in my living room at mlp.

http://i.imgur.com/cUUIG9Y.jpg

I also ran a quick Audyssey calibration on my Denon 2113 separately with the R5bi's and the 300 as mains and it picked 120Hz and 60Hz as the crossover respectively that's what prompted me to dig out my mic.

My living room has big 35Hz room mode when speakers are flanking the TV and measured at the mlp that really helped the PSB measure lower than it has a right to. It wasn't quite as unfair in my master bedroom.

http://i.imgur.com/KOtovrr.jpg

Listening to Bela Fleck and the Flecktones Flight Of The Cosmic Hippo with R5bi's in the master bedroom was the highlight of the day. It really wowed me listening near field with them just sitting on the stand below the TV hardly separated. Switching back to the PSB's was good too, just not as much if you don't count the extra bass.

Overall listening to the little R5Bi and the bigger 300 was pretty close with the R5Bi doing a little better all around except for the bass. It wasn't even close, it might as well been competing against a tower. I'd have to think if no matter how good the R5Bi is, it'd be a tough hill to climb beating out a bigger bookshelve strictly head to head and if you're going to use a sub anyway, that might not be the best way to decide the winner.

Don't be fooled by this pic, the PSB is bigger and heavier than what it appears in the image.

http://i.imgur.com/SwmWIs9.jpg

Also, as demonstration of speaker positioning and it's effects. Here's the R5bi's measured at my living room mlp with the speakers moved no more than 2 feet in any direction between measurements. Perhaps the Denon Audyssey calibration combo would have picked a 80Hz crossover for the R5bi's

http://i.imgur.com/g9zgL9X.jpg

Hope this is useful to someone.



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Last edited by toddRiffic; 07-15-2017 at 08:34 PM.
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