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Dayton Audio SD315-PR 12" Passive Radiator

Brand:| Model: SD315-PR
Overview
The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction.
Part # 
295-496
Weight: 2 lbs.  
OUT OF STOCK
Due In: 4/9/2015
List Price$42.99
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Your Price
$34.25
Buy 4-up$32.77
Part # 295-496
Qty:  EA
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Product Details

Dayton Audio SD315-PR 12" 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: 17 Hz • Vas: 5.20 cu. ft. • Qms: 3.00 • Cms: 0.45 mm/N • Mms: 200 g • Rms: 7.03 kg/s • Sd: 480 sq. cm. • Xmax: 10 mm • Dimensions: Overall diameter: 12.36", Cutout diameter: 10.71", Depth: 3.50".



Product Specifications
  • Nominal Diameter12"
Dayton Audio SD315-PR 12" Passive Radiator
  • BrandDayton Audio
  • ModelSD315-PR
  • Part Number295-496
  • UPC844632000416
  • Product CategoryPassive Radiators
  • Unit of MeasureEA
  • Product Rating
    (15 Reviews)
  • Weight2 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 SD315-PR 12" Passive Radiator
Dayton Audio SD315-PR 12" Passive Radiator is rated 4.6 out of 5 by 15.
Rated 5 out of 5 by from Works great with my Kenwood speakers!My Kenwood JL955WAV needed replacement radiators. The foam rubber on the old ones was just falling apart. I tried having them repaired, but I found that it would be less costly to replace them. After purchasing them and installing them, I am very satisfied with the results. They gave my Kenwood speakers a whole new life. I would recommend these radiators to anyone.
Date published: 2014-05-05
Rated 5 out of 5 by from Excellent sound & value quality!!!These are the "cats meow" in passive radiators,excellent Quality,plus the price can't be beat.
Date published: 2014-02-12
Rated 5 out of 5 by from Almost perfect replacement for the Velodyne VA1012I was concerned that a different passive radiator would change the performance and sound of my circa 1990 Velodyne VA1012 but the Dayton looks and may even sound better. I had to drill new mounting holes because the original had 8 and the Dayton has 5. I didn't add any weights.
Date published: 2014-01-18
Rated 2 out of 5 by from Sounds good, but Poor Quality workmanshipI bought this to replace the older model that used a foam surround. After barely a month of use, the cone ripped away from the spider.
Date published: 2014-01-02
Rated 5 out of 5 by from Very Good BuyBought a pair of the PR's with a pair of the goldwood 10" heavy duty woofer. Put them in a Pair of Infinity EM-103's that are older than I am and boy do they sound AWSOME!!!!! Thanks
Date published: 2010-02-28
Rated 5 out of 5 by from Passive Radiator FanPaired this passive radiator with the 12 Dayton subwoofer model RSS315HF-4. Used a 3.2 cu. ft. cabinet (which WinISD modeled as best for sealed cabinet Q) but added the passive radiator in a floor-firing, slot-loaded design tuned to be -3db at about 18 Hz. (WinISd models that to achieve similar response from a ported design would require a 4" x 11" port in a 5.8 cu. ft. cabinet - 80% larger!). Completely satisfied with outcome. No extra weight added to passive to keep it light and fast, 1 1/4" thick sides all around, all sides braced, with Dayton 240 watt amp installed. Weighs 118 lbs and lined with 1" Sonic Barrier - very solid, deep, powerful, clean sound. Very impressed. One audiophile friend says 'best bass he has ever heard!'. Passive radiator designs not only eliminate port noise and allow for deeper extension in a smaller cabinet than ported or sealed designs, but also often deliver cleaner bass (when properly done) than ported designs due to quasi-sealed enclosure. Don t let others who don t really understand this design approach deter you from experimenting with passive radiators. They can be an awesome design approach.Nice passive radiator, especially for the cost. Get the more expensive 12" if you need more xmax, such as with movie soundtracks. But this one has been pushed pretty hard and showed no signs of strain. I've run 16 and 20 Hz test tone at over 100 db with no problem. I don't suggest adding weight to passives if you can avoid it, even though you can with this one. It is an easy way to deepen the tuning freq., but I think it dulls the speed and clarity. I first tried it in a 1.6 cu. ft. adding several ounces (I think about 9 or 10) to the passive to give a similar tuning. But it sounded a bit more sluggish and dull compared to achieving the same tuning with a lighter passive (no weight added) and a bigger cabinet.
Date published: 2009-12-02
  • 2015-03-31T08:35CST
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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 SD315-PR 12" Passive Radiator

What is the displacement of these PR's? Do I need to take their displacement into consideration when I build the box they're going in or just build my box the spec and slap them in there?

Asked by: Passiveradiator
These will displace so little it will not matter in the total volume of the enclosure.
Answered by: MattP
Date published: 2015-02-11

Will this work with the RSS315HO 12"? I am a little concerned as the xmax is of the passive radiator is less than the subs.

Asked by: flanigas
I would not recommend using this for the Reference subs, they will not support the displacement required.
Answered by: MattP
Date published: 2015-02-02

T/S parameters of my old 12" Sub driver: Qts 0.282 Qes 0.305 Qms 3.780 Fs 19hz Res 3.70Ω Ls 2.38mH Lp 3.51mH Rp 2.99Ω Dia 240mm Vas 132l mms 153g cms 460um/N bl 15.4T*m Spl 86.9dB. Will 2 or 3 PR in 3cf cabinet with 500W plate amp works?

Asked by: Mike Sim
I would recommend two passive, with 150 grams added to each. This will tune the enclosure to 27 Hz. A 500 watt plate amp should be plenty, but without knowing the power handling or Xmax of the woofer it is impossible to say.
Answered by: MattP
Date published: 2015-01-19

I have a dayton ultimax 18 in my trunk in a sealed box, the volume is 3.8 cubes total and around 3.3 minus sub and bracing displacement. Would adding 3 of these make the sub sound deeper and bring out the full potential of the ultimax?

Asked by: AndrewsCarr
Unfortunately no, these passive radiators will not have enough displacement capability to work with a woofer that large. The only passive we have that would be compatible would be the TC Sounds VMP 18", part number 293-684. Although, modeling this setup shows that it is still not a great match, the volume is just too small to add a port or passive radiator with that woofer. You will actually have more extension keeping it sealed, and you will have less excursion issues.
Answered by: MattP
Date published: 2015-02-26

Will 2 of this PR work with my old 12"  TC-1000 in a 3 cubic ft sealed enclosure powered by a 500W OAudio plate amplifier, which tune the sub at 25-32Hz. And do I need to add weight to the PR. If yes how much to add to each PR? Thanks.

Asked by: Mike Sim
Unfortunately we have no way of modelling this driver because we do not have parameters for it.
Answered by: MattP
Date published: 2014-12-31

I have a pair of 80's vintage ElectroVoice Interface: A Series IV speakers that require new 12' PR's. Since EV abandoned the home audio market, I can find very little info. Would the SD315's be a good replacement? How do I find out about tuning?

Asked by: J1961
The only way to really be able to confirm the proper tuning frequency is to run an impedance sweep on the speaker and adjust weight until the tuning frequency has been reached. These should work well as replacements, but you may have to tune by ear. There is a good chance they will be pretty similar right out of the box.
Answered by: MattP
Date published: 2014-12-24
  • 2015-03-31T08:51CST
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