Dayton Audio ST210-8 8" Series II Woofer

Brand:| Model: ST210-8
Dayton Audio's ST210-8 8" Series II woofer is designed and built in the USA to provide class-leading bass punch and definition. An 8" woofer with output rivaling that of many ten-inchers!
  • Large voice coil provides efficient, low distortion output
  • Unique suspension provides excellent transient response
  • Perfect for home and car audio applications
  • Made in USA
Part # 
Weight: 8.635 lbs.  
List Price$100.99
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Your Price
Buy 4-up$66.26
Part # 295-100
Qty:  EA
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Product Details

Dayton Audio ST210-8 8" Series II Woofer

The Dayton Audio Series II Heavy Duty woofers feature natural sounding chemically treated paper cones that provide extra durability and long life. The combination of a heavy magnet structure, vented pole piece, bumped back plate, and large voice coil provides the Dayton Audio ST210-8 8" Series II woofer with excellent power handling capability, high efficiency, and very low distortion. Its unique suspension system consists of a rubber surround and large flat spider for superior damping characteristics and outstanding transient response. Made in the USA.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)180 Watts
  • Power Handling (max)360 Watts
  • Impedance8 ohms
  • Frequency Response45 to 3,000 Hz
  • Sensitivity90 dB 1W/1m
  • Voice Coil Diameter2"
  • Magnet Weight38 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)51.7 Hz
  • DC Resistance (Re)6.9 ohms
  • Voice Coil Inductance (Le)1.3 mH
  • Mechanical Q (Qms)4.99
  • Electromagnetic Q (Qes)0.54
  • Total Q (Qts)0.49
  • Compliance Equivalent Volume (Vas)0.87 ft.³
  • Mechanical Compliance of Suspension (Cms)0.36 mm/N
  • BL Product (BL)10.46 Tm
  • Diaphragm Mass Inc. Airload (Mms)26.38g
  • Maximum Linear Excursion (Xmax)5.55 mm
  • Surface Area of Cone (Sd)221.7 cm²
Materials of Construction
  • Cone MaterialCoated Paper
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.22"
  • Baffle Cutout Diameter6.95"
  • Depth3.8"
  • Bolt Circle Diameter7.87"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.35 ft.³
  • Sealed F396 Hz
  • Vented Volume1.03 ft.³
  • Vented F353 Hz
Dayton Audio ST210-8 8" Series II Woofer
  • BrandDayton Audio
  • ModelST210-8
  • Part Number295-100
  • UPC844632000027
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (37 Reviews)
  • Weight8.635 lbs.
  • 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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Dayton Audio ST210-8 8" Series II Woofer
Dayton Audio ST210-8 8" Series II Woofer is rated 4.7838 out of 5 by 37.
Date published: 2014-09-04
Rated 5 out of 5 by from Very HappyMy wife brought some Bose 501 speakers home from a garage sale because she liked the grill covers. They will fit in with our retro MCM style, so that is the only way i can get speakers in the house. One woofer was missing and the other's surround was falling apart. The 501's and the Bose line in general doesn't get much credibility in the audiophile world, so I took the opportunity to upgrade the main woofer with these. The cabinets seem sturdy enough to warrant keeping. I tried the Dayton Audio designer series first, but they were a tiny bit to big in diameter to fit in the cabinet, which was too bad since the range on those looked like a good fit with the crossover's in the 501's. So Part Express was great about letting me return those and I went with a more expensive speaker (Series II) and double checked the measurements. These dropped in fine and the magnet is huge and heavy. I have no idea what 501's sounded like originally, but mine sound nice and are going to be awesome for any party because the bass really sounds nice and rich and tight at high volume.
Date published: 2014-07-06
Rated 5 out of 5 by from Thump a plenty!Put two of these in parallel in an old wedge cabinet and coupled with a hi powered bullet tweeter I now have a pretty good low profile drum wedge
Date published: 2014-04-17
Rated 5 out of 5 by from These are woofers!Replaced two old 10" woofers that were oversized in cabinets cut for 8". These new 8 inch speakers have so much more response I now back down the lows. Powered by a vintage Sansui (80w rms per) , they take it well without float. At low volume, they are just as clean.
Date published: 2013-11-07
Rated 5 out of 5 by from Best Purchase EverThe speaker that I bought was the best replacement for my Technic rock system that I had purchased in 1995.
Date published: 2013-11-04
Rated 5 out of 5 by from Sub drop-in replacementThis woofer worked very well as a drop-in replacement for a Tang Band W8-740P in a PWK enclosure. The cutout-size and screw-hole pattern were nearly identical, and the quality of upper-bass notes are much more articulate, punchy and tight. The lowest lows are not as pronounced (below 40Hz), but are still present. If you are looking for a more musical response, get this woofer while it's on sale for $46. I have it set up for home audio use.
Date published: 2013-06-10
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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 ST210-8 8" Series II Woofer

I need to replace a woofer in a Energy 22e speaker. They are 8" and 6 ohm. I don't see anything of that combination. Can I use 8 ohm or 4 ohm instead?

Asked by: raadams130
The only way to definitely get the same performance as the original speaker is to replace the existing woofers with an original driver. (If you look around online, you might be able to find one even if the original is not available from Energy.) If you use a replacement woofer with 4 or 8 ohm impedance, you will end up with something that makes sound, but it may not sound the same as the original speaker, because the crossover network of your speaker is designed to get the best performance from the original driver. If making sound is all that's important to you, then you could probably substitute a 4-ohm or 8-ohm woofer and have working speakers.
Answered by: DaytonAudio_Rory
Date published: 2015-01-26

Could I use 2 of these woofers with the dayton RS28F tweeter in a hi SPL MTM configuration. I like the way the RS28F sounds with crossover at 3kHz. Will these woofers play clean with crossover at 3kHz? I'll be using a MiniDSP.

Asked by: Shoe
These woofers do not have a very clean response up to 3kHz, and I would not recommend crossing an 8" much higher than about 2kHz anyway. You might want to consider something like a pair of the DS175-8 woofers instead, which will cross at 3 kHz and still provide a decent sensitivity.
Answered by: MattP
Date published: 2014-11-06

I'm want to build a box with the measures of an Adan s3x-v with this woofer,. I don't know to much. Wondering myself if it would work perfectly? Does the crossover of Dayton Audio XO3W-375/3K 3-Way Crossover 375/3,000 Hz can work with this woofer? Thanks.

Asked by: feliex8
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2014-10-08

Would this be good driver as a car subwoofer in a .38 cubic foot enclosure, driven by a 200 watt Rms amp?  I'm looking for a solution to provide a musical, not boomy sub in a smallish Subaru Xv Crosstreck (hatchback).  I don't have a lot of space...

Asked by: SteveXV
This is an excellent woofer but not the best choice for your application. I would recommend looking at the Dayton RSS210HO-4 instead which will work very well in that volume.
Answered by: MattP
Date published: 2014-08-20

Was there a prior series to the Series II? I have a Dayton ST210-8 here 6-7 yrs old and was thinking of buying another to match up with this one but wondered if I had on old model with different specs than the Series II. (not sure if mine is series II.)

Asked by: Greg49
The Series II woofers have been available for more than 10 years and there are no predecessors. If you can, email a few pictures of your woofer to tech@parts-express.com and we can try to identify it.
Answered by: MattP
Date published: 2014-06-23

Bought and installed this woofer in a 0.8 cubic ft enclosure with a 1.5" diameter port that's currently 6" long. Low end seems very thin and wondering if port is too long. What would a good length and tuning frequency be for this port to improve the bass?

Asked by: lorcan
I would highly recommend changing both the diameter and length of this port to help with the bass response. Right now you are tuned to 30 Hz which is not only a bit low for this woofer, but a 1.5" diameter port will have chuffing power compression problems even at low volume levels. I would recommend no less than 2.5" diameter for this. We have a single flared, press fit style port that would work well and raise the tuning frequency to about 43 Hz, it is our part number 260-478.
Answered by: MattP
Date published: 2014-02-24
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