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Dayton Audio SD270-PR 10" Passive Radiator

Brand:| Model: SD270-PR
Overview
The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction.
Part # 
295-494
Weight: 1.5 lbs.  
IN STOCK
List Price$32.99
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Part # 295-494
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Product Details

Dayton Audio SD270-PR 10" Passive Radiator

The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction. A built-in mass disc offers a good starting point for most designs, and a convenient M5 threaded hole (screw included) allows different types of weights to be added if desired. Cosmetically and mechanically, the passives match the Shielded DVC line of subwoofers, with a poly coated paper cone and medium-roll rubber surround for clean excursion and long life. The possibilities with these passives are endless, from floor standing two-ways to small active/passive subwoofer systems.

Specifications: • Fs: 19.5 Hz • Vas: 3.90 cu. ft. • Qms: 2.50 • Cms: 0.67 mm/N • Mms: 100 g • Rms: 4.89 kg/s • Sd: 340 sq. cm. • Xmax: 10 mm • Dimensions: Overall diameter: 10.63", Cutout diameter: 8.94", Depth: 2.81".

 



Product Specifications
  • Nominal Diameter10"
Dayton Audio SD270-PR 10" Passive Radiator
  • BrandDayton Audio
  • ModelSD270-PR
  • Part Number295-494
  • UPC844632000409
  • Product CategoryPassive Radiators
  • Unit of MeasureEA
  • Product Rating
    (20 Reviews)
  • Weight1.5 lbs.
  • Case Qty8
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Dayton Audio SD270-PR 10" Passive Radiator
Dayton Audio SD270-PR 10" Passive Radiator is rated 4.45 out of 5 by 20.
Rated 4 out of 5 by from Replacement Passive Radiator Hits the mark!Replacing stereo components such as cabinet speakers is for me a on going process. And the advent of the new passive radiator, the screw holes didn't line up, so a little craftiness was no problem to make it fit. The sound is good, no vibration and able to handle my 200 watts.
Date published: 2014-07-16
Rated 5 out of 5 by from Great performerI used this to replace the passive radiator in my 20 year old Velodyne subwoofer. After a little modification to the speaker cabinet opening size, the sub has never sounded better.
Date published: 2014-04-07
Rated 5 out of 5 by from Dayton Audio SD270-PR Passive Radiator ReviewI have a pair of Synergistics speakers from Tokyo Shapiro's in the 80's. The passive radiators were decomposed. I bought a pair of these 10" radiators. I think these speakers are better now than when they were new. Lots of bass and air movement. I plan to replace the 8" Woofers with speakers from Parts Express. Thank you. Would definitely buy again 1000%.
Date published: 2014-01-22
Rated 5 out of 5 by from Good valuePurchased the 10" passive radiator to replace the blown one in my 15 year old Velodyne VA 810 XI subwoofer I am restoring to use with a secondary stereo. It works great with the new driver. Very satisfied.
Date published: 2013-10-17
Rated 4 out of 5 by from VA-8100x replacementI dropped this in to replace my very aged Velodyne, broken, 10" radiator and I was very surprised at the quality of the cone assembly. It's very good. Much better than I would expect at the price point. The surround is pliant and good quality and better than the original. For the price I paid this was a no brainer. I've not taken measurements yet but I'm very happy with the results.
Date published: 2011-03-07
Rated 5 out of 5 by from A step up.I decided to go with these radiators with the idea my old ESS's could use something better than the old "plate" style(that were shot again, being replaced once before) that had been in them. The quality is so much better with the Dayton's, it's not even funny. But little did I know it was not going to be an easy install when I ordered them. Turns out my old radiators, being the plate type(they are just a flimsy gasket, surround, and a foam flat plate instead of a cone) are about 1/2" smaller than the Dayton's. So the Dayton's would not fit into the routed recess in the cabinet. I contemplated routing out the cabinets, or cutting down the frame of the Dayton's. Then it hit me, I still had the old gaskets from the old radiators, and with some caulk, would sit almost flush reset into the old routed mount in the cabinet. Then put another layer of caulk on top of that and installed the Daytons over the old gaskets, and screwed them down. No problem. Good seal. The bass is better than I ever remember these cabinets sounding. Bass has always been described as "flabby" on almost all ESS's. These were like that too. I would say the bass is not more pronounced, just way tighter. But I am working off of memory here, and lots of things have changed as far as different equipment driving the speakers, and different room etc. It would have been nice to get some kind of explanation of how you are supposed to tune these radiators with the weights you can supposedly attach to them. And what you are supposed to use as weights. But, I'm very happy with what I've got just straight out of the box. If I decide to, I guess I can pull them off and tweek 'em some other time.
Date published: 2009-11-02
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Dayton Audio SD270-PR 10" Passive Radiator

What is the maximin amout of weight (in grams) that can safely be added to this passive radiator?

Asked by: Jam1561
We recommend no more than double the Mms for these passives.
Answered by: MattP
Date published: 2015-02-17

Will this work with the DS-270? If so, what is the recommended box volume?

Asked by: Auburn 77 81
Yes these will work well together. I would recommend 2 cubic feet with no weight added to the passive, for a tuning frequency of 32 Hz and an F3 of 40 Hz.
Answered by: MattP
Date published: 2015-01-30

In calculating an enclosure size for a subwoofer using this passive radiator, approximately what volume should I subtract to account for the volume taken up by the PR?

Asked by: Johnny Hotcakes
This passive displaces about 0.037 cubic feet.
Answered by: MattP
Date published: 2015-01-09

Hi, I have a Jl 10w6v3, and I was wondering which passive radiator or passive radiator's (2) or (3) would you recommend for this sub, and what volume of box should I use.. Thank You, Will

Asked by: Who Dat
Unfortunately we don't have any passive radiators that will work well with this woofer. The 12" Daytons will need more weight added than they can really handle for a decent tuning frequency, and the 10" version will run out of Xmax with about half of the rated power of the woofer. I would recommend keeping this driver sealed, or simply venting the box.
Answered by: MattP
Date published: 2015-01-06

Will the SD 270 work with the DC250-8? If not is there another woofer you would recommend?

Asked by: Auburn 77 81
Yes this will work with the DC250-8.
Answered by: MattP
Date published: 2014-12-24

Can this radiator be paired with the ultimax 10 inch woofer to create a sealed subwoofer?  If so, do you have the plans?

Asked by: HTGuy
Unfortunately we do not have a passive radiator that will be a good match for the Ultimax 10" at this time. It produces way more cone excursion than any of the passives we offer will be able to handle, with the exception of the TC Sounds VMP 15 or 18" models, but they are too large to work properly.
Answered by: MattP
Date published: 2014-12-10
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