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Dayton Audio RS100T-8 4" Reference Woofer Truncated Frame

Brand:| Model: RS100T-8
Overview
Utilizing an advanced motor system and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price.
Highlights
  • Truncated cast frame, great for line arrays and MTM speaker designs
  • Long-excursion motor and suspension for strong bass performance
  • Advanced low-distortion motor design
  • Extended, linear response
  • Distortion-reducing copper ring in magnetic gap
  • Lightweight black anodized aluminum cone
  • Designed and engineered in the U.S.A.
Part # 
295-338
Weight: 1.4 lbs.  
IN STOCK
List Price$39.99
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Part # 295-338
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Product Details

Dayton Audio RS100T-8 4" Reference Woofer Truncated Frame

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing an advanced motor system and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Their low-distortion characteristics and high excursion capabilities provide exceptional clarity, detail, and dynamics. Woofer features a black anodized cone, heavy-duty cast frame, low-loss rubber surround, solid aluminum phase plug, distortion-reducing magnetic gap copper ring, rubber magnet boot, and gold terminals.



Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)30 Watts
  • Power Handling (max)60 Watts
  • Impedance8 ohms
  • Frequency Response90 to 20,000 Hz
  • Sensitivity84.2 dB 2.83V/1m
  • Voice Coil Diameter1"
Thiele-Small Parameters
  • Resonant Frequency (Fs)94 Hz
  • DC Resistance (Re)6.5 ohms
  • Voice Coil Inductance (Le)0.5 mH
  • Mechanical Q (Qms)2.48
  • Electromagnetic Q (Qes)0.79
  • Total Q (Qts)0.59
  • Compliance Equivalent Volume (Vas)0.08 ft.³
  • Mechanical Compliance of Suspension (Cms)1.3 mm/N
  • BL Product (BL)3.3 Tm
  • Diaphragm Mass Inc. Airload (Mms)2.17g
  • Maximum Linear Excursion (Xmax)3.7 mm
  • Surface Area of Cone (Sd)36.3 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 Diameter3.86"
  • Baffle Cutout Diameter3.03"
  • Depth2.01"
  • Bolt Circle Diameter3.54"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume.105 ft.³
  • Sealed F3124.8 Hz
  • Vented Volume0.12 ft.³
  • Vented F377 Hz
Dayton Audio RS100T-8 4" Reference Woofer Truncated Frame
  • BrandDayton Audio
  • ModelRS100T-8
  • Part Number295-338
  • UPC844632079788
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight1.4 lbs.
  • Case Qty16
  • 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 RS100T-8 4" Reference Woofer Truncated Frame
Dayton Audio RS100T-8 4" Reference Woofer Truncated Frame is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Dayton RS100T-8I live on Vancouver Island Canada and after calling all the audio outlets I could locate I was unable to find replacement 4"sub-woofers for my 1990 Jaguar Sovereignthat are located under the rear seats. Within minutes of surfing "Parts Express" there were numerous options available. Although I didn't need a truncated framed spkr I was able to fit them to my car without difficulty and they sound great. The delivery time to me was under 5 days, although there were shipping charges and border fees the total cost was less than I could purchase any set of spkrs here where I live. I kept my original Jaguar radio/tape to keep the car as original as possible and the sound from these 2 little spkrs is awesome with no vibrations. The company was also good enough to ship me copies of their product catalogs and I would highly recommend them to anyone. Tks for keeping my pussycat's tunes alive and well. Cheers Neill
Date published: 2012-08-06
Rated 5 out of 5 by from my odd project-and a great surprise!bought these to test out a theory about odd shaped cabinets and construction matierials-this was supposed to be a temporary test pair and if the cabs worked out-then move on to a more expensive-''better'' pair. Well-these aren't moving on-sound from these small drivers is really amazing! excellent value and unreal qaulity of sound!for the cost these are truly amazing! the real surprise was how well these sound driven full range !
Date published: 2011-09-15
Rated 5 out of 5 by from Great midrange!So i bought this little speaker for a replacment midrange for my Cambridge Sound Works M80s which had blown one years ago. After a lot of searching i found this to fit into the slightly horn loaded midrange section. Well i was blown away with how much better they sounded then the OE speakers. Much better sound and image. plus they look great.
Date published: 2009-08-15

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 RS100T-8 4" Reference Woofer Truncated Frame

frequency response is 80-20k Hz. does this mean that I can construct a speaker  without a tweeter and crossover

Asked by: syrocky
This would be considered a full range speaker, meaning it doesn't specifically need a tweeter or woofer paired with it. Depending on personal preferences, the addition of either will be up to you.
Answered by: MattP
Date published: 2014-07-18

Could these be used to replace the 3 3/4 woofers in the Dayton lcr speaker bar?

Asked by: JakeI
I suppose they could be although I cannot say whether they will require any cutout or screw hole modifications in the cabinet.
Answered by: MattP
Date published: 2014-05-20

Response Confusion

I'm planning on tackling my first three way speaker. I have pretty much no skill in designing a crossover and plan to use a pre made three way Dayton audio crossover.After modeling this in WinISD pro alpha, it shows drop around 1200 HZ in almost every sealed enclosure. Is this WinISD messing up, or true? I will list the items I plan on using below.If I apply a 6 DB boost at 3000 HZ with a Q of 1, it seems to flatten it out, and then I apply a butterworth 3rd order crossover at the points I'm planning on using.The thing is, I'm not even sure what A "Q" is, and I'm sure there isn't even a "3rd order butterworth" low and high pass crossover.Anywho, if put this in about .9 Cubic Feet will this driver provide a flat rescponce from 300 HZ to 3000 HZ?Sorry for my lack of Knowledge, I'm still 13 and still learning.
Asked by: Andy Lancaster 321
Andy, I can completely relate to the confusion as I had similar questions when starting out in audio years ago. The good thing is, you are asking questions!WinISD, as a box modeling program, and will give you an idea of low frequency response in a particular cabinet. WinISD doesn't take into account what drivers (speakers) do, with regards to frequency response, as far as the midbass, midrange, and highs are concerned. I would recommend that you only use WinISD to get an idea of what effect a box has on a driver below 250 Hz and refer to the specification sheet above that.In time you will learn that the face of the box (the baffle) also affects frequency response in the midrange band. If you want to learn more about speaker design, I would highly recommend you join our Tech Talk message board (http://techtalk.parts-express.com/) and post the design you want to accomplish there and ask for crossover help. There are plenty of willing participants to guide you along the way.Hope this helps!Mike
Answered by: mikevv
Date published: 2012-08-03

What size enclosure would be suited best for this driver both sealed and ported?

Asked by: waterman1421
I recently completed a project with this driver in our new 0.20ft³ knock-down cabinets, using a 1-1/2" x 4" port, they sound very nice. I've linked these products below for your convenience.
Answered by: RussR
Date published: 2012-01-23

Impedance correction for a line array

For a huge line array (36 units), impedance correction looks very important for this driver. There are many different equations for solving this, the ones on your website seem to suggest the following:Circuit: 6 parallel chain-gangs of 6. (Each parallel chain would have its own correction network.)R_corr = 1 1/3 ohms.C_corr = 947uFThe number for the capacitor seems rather astronomical to me. Did I work the numbers right? What watt rating would I need on the resistors -- assuming the impedance network is not to be the limiting value on the power handling of the speaker?I'm still trying to figure out how I would design a box and whether/what ports I'll need.
Asked by: AlonzoTG
According to the software we use here (X-over Pro, referenced below for your convenience), the resistor should be 1.067 ohms, and the capacitor would be 107uF.
Answered by: RussR
Date published: 2011-11-14

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