B&W PV1D is a killer subwoofer! - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 70 Old 09-15-2014, 11:52 PM - Thread Starter
 
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B&W PV1D is a killer subwoofer!

Had a chance to listen to a single PV1D easily filling a 3000+ cubic foot showroom with the most agile, fast, and musical bass that I have heard in over a decade. Oblivion sounded fantastic and so did a variety of music. I own a new REL, but man I want a PV1D now. The engineering and build quality is fantastic. Even though the woofers were trashing around violently during Oblivion, the bass remained extremely clean. And not one single slightest vibration from the cabinet when touched.

So I guess B&W, REL, and B.K. make the best subwoofers on the market currently. Anyone else own and love the PV1D?
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post #2 of 70 Old 09-16-2014, 05:16 AM
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B&W PV1D is a killer subwoofer!
It's definitely cute. But the specs (PDF) don't make any sense: 7.5-450Hz +/-3dB from a 13.5" x 10.6" x 14.1" spheroid with two 8" drivers and a 400W (RMS? peak?) amp.

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So I guess B&W, REL, and B.K. make the best subwoofers on the market currently.
That's cute, too.
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post #3 of 70 Old 09-16-2014, 05:19 AM
 
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2 x 8", 400W amp and no FR? haha. £1200. Similar price to SVS SB Ultra 13...hmmm I wonder which is better
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post #4 of 70 Old 09-16-2014, 06:41 AM
 
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Quote:
Originally Posted by eljaycanuck View Post
But the specs (PDF) don't make any sense: 7.5-450Hz +/-3dB from a 13.5" x 10.6" x 14.1" spheroid with two 8" drivers and a 400W (RMS? peak?) amp.
Since it has its own DSP the frequency response can be realized. But what isn't documented is the actual SPL output capability. That's limited by the driver displacement, and with a pair of eights in a box that size you can only get so much. Or in this case so little, explaining why it's not documented. Hoffman's Iron Law always works, whether you believe in it or not.
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post #5 of 70 Old 09-16-2014, 06:49 AM
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Right - it makes no sense to claim 7.5Hz extension if , realistically, the level of output is unusably low below, say, 15-20Hz.

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post #6 of 70 Old 09-16-2014, 07:19 AM
 
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Quote:
Originally Posted by eljaycanuck View Post
Right - it makes no sense to claim 7.5Hz extension if , realistically, the level of output is unusably low below, say, 15-20Hz.
It makes less sense if the sub has EQ that makes it flat to 7.5hz if the price of that is maximum output of 85dB. That's loud enough for casual listening but not HT, and the last thing you need for casual listening is 7.5hz.
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post #7 of 70 Old 09-16-2014, 07:28 AM
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Good point...but could that sub realistically even put out 85dB at 7.5Hz? If so, under what (limited) conditions?
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post #8 of 70 Old 09-16-2014, 09:33 AM
 
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I don't know what I would do with a PV1D. It's too big to use as a paperweight, but too small to use as table. I think It would probably just take the driver out and use the cabinet as a flower pot maybe. It certainly can't be used for anything audio related.
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post #9 of 70 Old 09-16-2014, 09:43 AM
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This guy might be the funniest troll on this forum.

Keep up the good laughs!
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post #10 of 70 Old 09-16-2014, 10:35 AM
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Quote:
Originally Posted by Bill Fitzmaurice View Post
Since it has its own DSP the frequency response can be realized. But what isn't documented is the actual SPL output capability. That's limited by the driver displacement, and with a pair of eights in a box that size you can only get so much. Or in this case so little, explaining why it's not documented. Hoffman's Iron Law always works, whether you believe in it or not.
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post #11 of 70 Old 09-16-2014, 10:43 AM
 
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Originally Posted by eljaycanuck View Post
Good point...but could that sub realistically even put out 85dB at 7.5Hz? If so, under what (limited) conditions?
For the heck of it I modeled a pair of high end 8 inch drivers, the Tang Band W8 1363SB, in a sealed cab the size of the B&W. Maximum SPL at 7.5Hz is 76dB. If you didn't use DSP to get -3dB to 7.5Hz you could get a respectable 104dB at 40Hz, though only 94dB at 20Hz. That makes it an OK sub for music, marginal for HT, but only if you don't run the DSP for flat response that low, otherwise you'll only get at best 79dB across the spectrum.
If the B&W drivers have more xmax than the 12mm of the Tang Band they'd have higher output capacity, but it's not likely that they do. But even if they had 24mm xmax that would only get an additional 6dB.
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post #12 of 70 Old 09-16-2014, 10:52 AM
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post #13 of 70 Old 09-16-2014, 11:10 AM
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Well, what do you expect from someone who writes flowery prose about speaker cables? Apparently he has added B&W to his line of subwoofers.

When my 15" sealed DIY subwoofer is cranking out heavy duty bass, not only can you not feel anything by touching the enclosure but you can't even see the driver move. I'd be worried about a sub with drivers that "trashed around." I'll keep my sub, thank you.

And Nagy, congratulations on adding the third product line to your subwoofer offering. Personally I wouldn't buy any of them, though.
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post #14 of 70 Old 09-24-2014, 08:48 AM
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I tried 4 subs so far, 1 from SVS and 2 from Rythmik. The PV1D makes all the others sound like boom boxes.
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post #15 of 70 Old 09-24-2014, 08:59 AM
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post #16 of 70 Old 09-24-2014, 09:20 AM
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Originally Posted by coli View Post
I tried 4 subs so far, 1 from SVS and 2 from Rythmik. The PV1D makes all the others sound like boom boxes.
You mean 3

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post #17 of 70 Old 09-24-2014, 09:24 AM
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You mean 3
3 + the PV1D = 4.
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post #18 of 70 Old 09-24-2014, 09:25 AM
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I saw that, but it still didn't make sense. I also can't tell if he's joking or not. I hope he is.

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post #19 of 70 Old 09-24-2014, 09:28 AM
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... I also can't tell if he's joking or not. I hope he is.
+1.
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post #20 of 70 Old 09-24-2014, 09:29 AM
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Omg lol he has to be. I just looked it up and it looks like a damn bluetooth speaker.

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post #21 of 70 Old 09-24-2014, 09:33 AM
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Scary!!

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post #22 of 70 Old 09-24-2014, 09:33 AM
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I saw that, but it still didn't make sense. I also can't tell if he's joking or not. I hope he is.
Nope, not joking. This thing is the real deal, it sounds like a full-range speaker, instead of speaker + sub (or speaker + bass). Being able to locate it just above the LS50 probably gave it another huge advantage.

Very tempted to buy another one to put on top of the other LS50.
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post #23 of 70 Old 09-24-2014, 09:34 AM
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I stand corrected......

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post #24 of 70 Old 09-24-2014, 09:35 AM
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I Guess a really really really well calibrated PV1D could sound better than a really really really uncalibrated SVS.
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post #25 of 70 Old 09-24-2014, 09:41 AM
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I thought B&W stop making these? I guess these are revised version from a few years back?

Well it is pretty, two 12 drivers I would have been interested.

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post #26 of 70 Old 09-24-2014, 10:05 AM
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Quote:
Originally Posted by coli
This thing is the real deal, it sounds like a full-range speaker ...
I don't understand how a subwoofer that sounds like full-range speaker is a "real deal" subwoofer.


IMO, a "real deal" subwoofer should sound and perform like, well, a subwoofer.


YMMV, of course.
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post #27 of 70 Old 09-24-2014, 10:32 AM
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Laugh all you want guys. At the end of the day it's your loss. Apparently some people can't appreciate agile, fast, and musical bass. I've never heard one in person, but Nagys review was enough to convince me I need to experience subwoofer/fullrange bliss for myself. I've got four on order. Imagine, eight 8" drivers trashing around, creating orgasmic melodic sounds. I'm tingling all over just thinking about it. I'm so excited I can hardly stand it. You guys with your slow sloppy 18's don't know what you're missing.
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The purpose of listening shouldn't be to respond as much as it should be to understand.

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post #28 of 70 Old 09-24-2014, 10:37 AM
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^^^ You just opened a can of worms with that post. Good luck!

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post #29 of 70 Old 09-24-2014, 10:40 AM
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Originally Posted by JT78681 View Post
^^^ You just opened a can of worms with that post. Good luck!
Why? Are you one of those naive guys who really thinks that a larger driver is superior? Everyone knows that smaller drivers are quicker and more musical. B&W has it figured out. You put two smaller drivers in a cabinet so you get dual benefit; musical subs while still being able to shake a 3,000 cf room while watching an awesome movie from the extra displacement. Don't knock it till you try it.

The purpose of listening shouldn't be to respond as much as it should be to understand.
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post #30 of 70 Old 09-24-2014, 10:54 AM
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Quote:
Originally Posted by bass addict
Laugh all you want guys. At the end of the day it's your loss. Apparently some people can't appreciate agile, fast, and musical bass. ...
If the bass is too agile and fast, it escapes and you can't enjoy the music. That's why less-athletic drivers are actually better.
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