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Dayton Audio RS100-4 4" Reference Full-Range Driver 4 Ohm

Brand:| Model: RS100-4
Overview
The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers.
Highlights
  • Full-range capability
  • Long-excursion motor and suspension for strong bass performance
  • Subtle yet high-tech look makes a bold cosmetic statement
  • Designed and engineered in the U.S.A.
  • Great replacement for the Dayton RS100S-8 4" Reference Shielded Full-Range Driver
Part # 
295-378
Weight: 1.4 lbs.  
IN STOCK
List Price$37.99
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Part # 295-378
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Product Details

Dayton Audio RS100-4 4" Reference Full-Range Driver 4 Ohm

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths 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 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, rubber magnet boot, and gold terminals.

 



Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)30 Watts
  • Power Handling (max)60 Watts
  • Impedance4 ohms
  • Frequency Response80 to 20,000 Hz
  • Sensitivity84.2 dB 1W/1m
  • Voice Coil Diameter1"
Thiele-Small Parameters
  • Resonant Frequency (Fs)80.2 Hz
  • DC Resistance (Re)3 ohms
  • Voice Coil Inductance (Le)0.67 mH
  • Mechanical Q (Qms)3.1
  • Electromagnetic Q (Qes)0.57
  • Total Q (Qts)0.48
  • Compliance Equivalent Volume (Vas)0.07 ft.³
  • Mechanical Compliance of Suspension (Cms)1 mm/N
  • BL Product (BL)3.22 Tm
  • Diaphragm Mass Inc. Airload (Mms)3.9g
  • Maximum Linear Excursion (Xmax)4 mm
  • Surface Area of Cone (Sd)37.4 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 Diameter3.04"
  • Depth2.01"
  • Bolt Circle Diameter3.54"
  • # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.03 ft.³
  • Sealed F3143 Hz
  • Vented Volume0.1 ft.³
  • Vented F372 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
Optimum Cabinet Size *
  • Sealed Volume0.03 ft.³
  • Sealed F3143 Hz
  • Vented Volume0.1 ft.³
  • Vented F372 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
Dayton Audio RS100-4 4" Reference Full-Range Driver 4 Ohm
  • BrandDayton Audio
  • ModelRS100-4
  • Part Number295-378
  • UPC844632068133
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (25 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 RS100-4 4" Reference Full-Range Driver 4 Ohm
Dayton Audio RS100-4 4" Reference Full-Range Driver 4 Ohm is rated 4.36 out of 5 by 25.
Rated 4 out of 5 by from Tried it outThere a directness to the sound that I like. However in my 1.5L test box there are also resonance that are not well controlled. Overall I think I need a better driver for my projects. If anyone has been able to tame single note peaks let me know
Date published: 2014-04-20
Rated 4 out of 5 by from Good fit, good soundI used this item to replace a dead speaker in a 1950s record changer. The biggest issue was with speaker coil load and the physical size of the speaker. I was happy to find a 4 ohm full-range speaker, but size was a concern. When it arrived, it fit well and sounded great. I will definitely keep Dayton in mind for my next restoration.
Date published: 2013-12-26
Rated 5 out of 5 by from Incredible sounding speakers.....i was hesitant at first to buy these speakers but i sure am glad i decided to pull the trigger and get them. I actually use these in my car audio setup in custom built a-pillars and they sound incredible running with my polk audio mm6501s. i've had them now for 8 months and am still blown away at how vocally nice these speakers sound and for the price its a hard speaker to compete with.
Date published: 2013-12-26
Rated 5 out of 5 by from These things are amazing for the priceI have these in sealed, dampened enclosures slightly bigger than the boxes they come in to fit on a narrow shelf and these things sound amazing. I used 1/8 inch oak and mahogany laminate instead of MDF. I had other speakers in there, but as soon as I tried these, they just came to life. Unreal. Sound better than my popular brand studio monitors.
Date published: 2013-04-13
Rated 5 out of 5 by from Wide Response, Durable, Affordable!I just purchased 4x RS100-4's for my car and they were a close enough fit for my enclosures. With a little bit of port tuning, bass is incredible given their small size.Sure, these speakers are woefully insensitive but that is the price you pay for a wide frequency response in such a small package. In fact, few speakers reach so low and high for such a low price.The one thing to remember is that these are smaller than most 4" speakers. They are more like 3.5" drivers.
Date published: 2013-05-25
Rated 5 out of 5 by from great little full range speakerthese speakers sound great! i built these a couple years ago these still are my favorite!i wanted to build a set of desk top speakers that were worth listening too. i found these on parts express checked out the graph and i was hooked! i had a set of ACID cigar boxes i wanted to use for the enclosures. i added 1/4" plywood to the inside of the face and the back. i also added a baffle step correction circuit and a filter to knock out that 13K peek. WOW not the most efficient (baffle correction didn't help) but they sound amazing! incredible bass response for such a tiny driver in a sealed enclosure (thanks baffle step correction) i drive them with a Dayton DTA-100a.the only complaint i have is the price. the driver and the other components (inductors!) cost me about $200!
Date published: 2013-12-27

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 RS100-4 4" Reference Full-Range Driver 4 Ohm

Door speakers?

Would I get adequate sq and spl from these mounted in the doors of a 1983 XJ6 Jaguar as one-ways? These would be powered by an Pioneer DEH-6100bt (Continuous Power Output: 22W x 4) and no external amp. The speakers would be pointed directly at the center console. Or in this application would it be better to use a traditional coaxial? My main concern is the low sensitivity of this speaker.
Asked by: Qranc
I think with 22W you will get adequate output. I would ask if these are the largest that will fit? Find the largest drivers for your door openings and select from them.
Answered by: EdLIII
Date published: 2011-08-10

a ported box

I am not savvy at the online calculators, could someone help me with a ported (or sell me on sealed) for this driver. My box is .11 cu ft. Is there another driver that would be better? I am interested in good bass response from a full range. That is my box constraint. Thanks in advance!
Asked by: TorClausen2
The quick answer is , No. Probably wont get enough bass to satisfy your requirements from these woofers, fine as they do sound.The long answer I have would be, Depends on your application and requirements. I tried a pair of these, in a tuned enclosure of similar volume, to achieve a small stereo setup with no x-over using these completely full-range. For small-space use, like for an office or desktop, they could probably work well, as the sound is really pretty good when u can get right on-axis for listening. But for ambient use even, the treble just rolls off too much, and likely you'll then be in a larger room and farther away from the speakers, and the bass output just wont be sufficient in that case. I intend on repurposing them as some nice mid-fill in my car, where I can relieve them of both treble and bass frequencies. So, close and on-axis, yes, they would be good. Otherwise, maybe not so much. If you really want a full-range single driver speaker, I would look at something larger, that still claims to go high enough to suit your needs. Hope this helps!
Answered by: C from Claypool
Date published: 2013-02-20

2 of these run in series, does it increase or decrease the senesativity

Asked by: kane3850
There is no change when wired in series.Although the piston area doubles, which would normally give a 3db increase, the impedance has doubled in a series connection, reducing the power by 1/2, which gives a 3db decrease. So no net change in sensitivity, but the power handling will increase by twice or 3db.
Answered by: Doug76
Date published: 2013-01-04

Using 4 of these but need a total impedance of 8 Ohms

Hi,So, I bought 4 of these, each of which is rated at 4 Ohms. However, I realized to match my current home theater configuration, I need my center speaker to run at 8 Ohms. I want all 4 of these in my center speaker enclosure, but don't know how to get the impedance to match.If I wire 1-2 in series, then 3-4 in series, then 1-2 and 3-4 in parallel, I get 4 Ohms. If all are in series, I get 1 Ohms. If all are parallel, I get 16 Ohms.Any suggestions?? Is there a pair of tweeters I could add to get an overall 8 Ohms? Maybe an in-line resistor??Thanks for any suggestions!
Asked by: Jake9115
The only way to do this correctly is to either only use two drivers in series, or exchange those for the 8 ohm models.
Answered by: MattP
Date published: 2013-03-18

Which pin represents which wire?

I checked the manual and I cannot find out which post represents which wire. For example, does the red wire go into the wide pin or the thin one?
Asked by: starcontroller
The wider post is for positive and the thinner one is for negative. There's indentation in one of the images and they are not color coded.
Answered by: starcontroller
Date published: 2013-04-01

Is there a truncated frame version of the 4 ohm?

I see the 8 ohm version of this speaker has a truncated frame, I did not see the same for the 4 ohm. If there is, what is the part number?
Asked by: aceinc
At this time there is not a truncated version of the 4-ohm Dayton Audio Reference Series drivers. For an alternative product, please see the driver listed below.
Answered by: mikevv
Date published: 2011-04-22

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