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Dayton Audio RS225-8 8" Reference Woofer

Brand:| Model: RS225-8
Overview
Dayton Audio Reference Series RS225-8 8" woofers deliver exceptional clarity, detail, and dynamics—and of course, incredibly low distortion.
Highlights
  • One of the lowest distortion, highest resolution driver series available
  • Low-distortion high-excursion motor system with two short-circuit paths
  • Compliant suspension and rigid black anodized aluminum cone for strong bass performance
  • Heavy-duty 6-hole cast frame, low-loss rubber surround, and solid aluminum phase plug
  • Designed and engineered in the USA
Part # 
295-356
Weight: 6.1 lbs.  
IN STOCK
List Price$74.99
Regular Price$57.42
You Save13%
Special Price
$49.90
Part # 295-356
Qty:  EA
Available Payment Methods

Product Details

Dayton Audio RS225-8 8" Reference Woofer

The Dayton Audio Reference Series was conceived with one goal in mind—low distortion. Each speaker was carefully designed and optimized to offer the highest performance with the lowest distortion levels. At the same time, by focusing on features that contribute to sound quality and eliminating unnecessary frills, the drivers offer value unparalleled in the industry. Dayton Audio Reference Series RS225-8 8" woofers deliver exceptional clarity, detail, and dynamics—and of course, incredibly low distortion.



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)80 Watts
  • Power Handling (max)160 Watts
  • Impedance8 ohms
  • Frequency Response28 to 2,200 Hz
  • Sensitivity86.2 dB 1W/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)27.6 Hz
  • DC Resistance (Re)6.34 ohms
  • Voice Coil Inductance (Le)0.83 mH
  • Mechanical Q (Qms)1.44
  • Electromagnetic Q (Qes)0.48
  • Total Q (Qts)0.36
  • Compliance Equivalent Volume (Vas)2.18 ft.³
  • Mechanical Compliance of Suspension (Cms)0.99 mm/N
  • BL Product (BL)8.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)33.8g
  • Maximum Linear Excursion (Xmax)7 mm
  • Surface Area of Cone (Sd)211.2 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.78"
  • Baffle Cutout Diameter7.24"
  • Depth3.5"
  • Bolt Circle Diameter8.23"
  • # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.44 ft.³
  • Sealed F366 Hz
  • Vented Volume1.17 ft.³
  • Vented F338 Hz
Dayton Audio RS225-8 8" Reference Woofer
  • BrandDayton Audio
  • ModelRS225-8
  • Part Number295-356
  • UPC844632088766
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (13 Reviews)
  • Weight6.1 lbs.
  • Case Qty4
  • California Prop 65

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

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Reviews

Dayton Audio RS225-8 8" Reference Woofer
Dayton Audio RS225-8 8" Reference Woofer is rated 4.9231 out of 5 by 13.
Rated 5 out of 5 by from Good woofer at a great priceThis woofer sports many features found in much more expensive designs. Smooth sound allow it to be used in nice 2-3ways with a low crossover point (below 2.5K) as well as nice extension in mid size cabinets. If ultra low brain bashing bass isn't required, it is even flexible enough to be used to great effect in compact sealed designs that cover all but the very lowest notes with finesse and resolution. Would make a killer centerpiece in a near state of the art monitor (costing under 5K per pair) or compact floor standing system that hold its own using even just one woofer. I am running 2 per side ( -: The Cabinet volume in just over 2 cubic feet tuned to about 35Hz producing a somewhat plump but still fast response. Good bass extension to the low to mid 40's, which is hard to do with decent output in cabinets under 1 cubic foot and still manage to get a nice clean lower midrange response too. 2 of them would be awesome in just over 3 cubic feet! To get the most out of this driver, use the highest quality box and crossover parts you can afford. To do better you better call the bank, because it will cost at least 3-5 times as much for the same (or worse) performance from many other manufacturers.
Date published: 2014-07-21
Rated 5 out of 5 by from Hard to believe.This woofer is used in my Finalist speaker build. I'm not a professional but the first thing I noticed when I played the speakers was the bass I had never heard such tight bass coming out of a ported enclosure. Real nice sound! The enclosure is around 38 liters with a 2 1/2" (part #260-386) port 7.75" long with an F3 around 32hz.
Date published: 2013-09-29
Rated 5 out of 5 by from Pleasantly surprised...I bought this to replace a blown speaker in an old set of klipsch passive radiators. It sounds so much better than the other speaker that I intend to buy another to replace the other. Cant beat the performance for the price...
Date published: 2013-09-01
Rated 5 out of 5 by from Great choice!I recently discovered my woofers in my Infinity studio monitors had their foam rings deteriorating as well as the dust caps. One of the Infinity tweeters was working intermittently, so I bought two new Dayton Audio RS225-8 8" woofers and two Dayton Audio RS28F-4 1-1/8 silk dome tweeters. Wow! These speakers sound better than the original speakers ever did when they were new. I'm so glad I discovered Parts Express and Dayton Audio speakers ... I can't wait to build a set if speakers of my own design, with 10", 4" and silk dome tweeters. Just need to decide on which crossovers to use! Thanks again, Parts Express!
Date published: 2013-05-25
Rated 5 out of 5 by from Replacements for Digital Dynamic 3 way floorstandersI bought 4 Dayton Audio RS225-8 8" Reference Woofers to replace 4 blown woofers in my parents 15 year old 3 way floorstanding speakers.The woofers are well constructed and were easy to install.They have excellent tight bass with great extension, better than the original woofers. I would recommend them for the price.
Date published: 2013-05-09
Rated 5 out of 5 by from Fantastic two-wayOriginally purchased these as a replacement for a set of two-way bookshelf speakers with rotted surrounds. Once I found the surround repair kit from Parts Express, I decided to build a new set of two-ways with these drivers. The results are fantastic! Using an appropriately sized vented box design, the bass response is amazing for a set of 8 inch drivers - definitely better than some 12" and 15". A two way system is possible with these drivers as long as you are careful about your tweeter selection and use a higher order crossover ( I designed a 12 dB/octave). I highly recomend these drivers.
Date published: 2013-03-14

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 RS225-8 8" Reference Woofer

I have a set of realistic Optimus T110 towers and have replaced the woofers with the rs225 8 ohm woofer and Dayton 10 inch passive radiator.  The internal volume is 2.16cf. Can you tell me what the low end response should be? Thanks

Asked by: Jkb1
With that combination and volume, the current tuning frequency is roughly 31 Hz with a smooth roll off. Other than a slightly oversized box, there is no reason to change anything.
Answered by: MattP
Date published: 2014-07-21

I WANT TO USE 2 OF THESE WOOFERS IN PARALLEL AND DRIVE IT WITH YOUR DAYTON250 WATT PLATE AMP W BASS BOOST @ 35HZ IN 1.3 CUBIC FT ENCL LOOKING FOR Q .707 TIGHT FAST BASS PROJECTED F3 ?

Asked by: GEOJET55
This design has a projected F3 of 51 Hz, but you can expect in room results well into the 30's.
Answered by: MattP
Date published: 2014-06-27

what size crimps?

Asked by: carlnelson
This woofer uses 0.205" terminals.
Answered by: MattP
Date published: 2014-04-14

I have a RS625 infinity tower speaker that i'm planning to replace the damaged 8" IMG woofer, will your dayton audio RS225-8 8" be a good match? Including the measurements for installing the RS225 in my tower? Thank you.

Asked by: 63pat
The Dayton Reference drivers are our best sellers by far for these model Infinities. Since we do not have a cross reference, you will have to compare overall frame and cutout dimensions of the original with the dimensions listed on our site for the Dayton woofer.
Answered by: MattP
Date published: 2014-03-27

Any idea how two of these in a 2 cubic foot sealed enclosure would compare to one of the rs270-8 (the 10" version) in the same box?  I'm looking for midbass (crossed at 80-600 Hz probably).   

Asked by: crazypete
Either option will easily play to 80 Hz, the benefit will be the added sensitivity with two of the woofers wired in parallel vs one slightly larger woofer.
Answered by: MattP
Date published: 2014-03-03

1.4 cubic feet - this net, or with volume of the driver?

Asked by: ksv200861
That is net, before driver displacement. With will be closer to 1.33.
Answered by: MattP
Date published: 2014-02-24

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