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Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter

Brand:| Model: RS28F-4
Product Video
Overview
Dayton Audio's Reference Series tweeters are designed to complement the RS woofers. The RS28F-4 incorporates an optimized silk diaphragm that combines low mass, superb damping, and a carefully calculated dome profile.
Highlights
  • 1-1/8" silk dome provides articulate yet non-fatiguing HF reproduction
  • Tuned rear chamber and excellent power handling support low, low crossover points
  • High flux density/low-distortion motor system with copper shorting rings
  • Cast aluminum faceplate with protective mesh grill
  • Perfect for home theater or audiophile speakers
Part # 
275-140
Weight: 1.8 lbs.  
OUT OF STOCK
Due In: 6/23/2015
List Price$79.99
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Your Price
$54.75
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Dayton Audio RS28TF Truncated Faceplate for RS Tweeters
Qty: 1Part # 275-138
List Price:$14.99
Part # 275-140
Qty:  EA
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Product Details

Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter

Dayton Audio's Reference Series tweeters are designed to complement the RS woofers. The RS28F-4 incorporates an optimized silk diaphragm that combines low mass, superb damping, and a carefully calculated dome profile. A tuned rear chamber, supported by a rugged diaphragm assembly, enables crossover possibilities in ranges as low as 1,000~1,100 Hz (with the appropriate filter). This unique 1-1/8" silk dome and a state-of-the-art motor system employs copper shorting rings to ensure that high frequency content is reproduced as transparently as possible, assuring studio-quality performance. RS28F-4 tweeters not only match the look and features of the RS woofers but also the clean, detailed, and uncolored sound that characterizes the entire series.



Product Specifications
  • Tweeter TypeSoft Dome
  • Cone / Dome Diameter1-1/8"
  • Impedance4 ohms
  • Power Handling (RMS)100 Watts
  • Frequency Response1,200 to 20,000 Hz
  • Sensitivity91 dB 2.83V/1m
Thiele-Small Parameters
  • Resonant Frequency (Fs)535 Hz
  • DC Resistance (Re)2.82 ohms
  • Voice Coil Inductance (Le)0.51 mH
  • Mechanical Q (Qms)2.3
  • Electromagnetic Q (Qes)0.99
  • Total Q (Qts)0.7
Mounting Information
  • Overall Outside Diameter4.13"
  • Cutout Diameter2.88"
  • Depth1.81"
Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter
  • BrandDayton Audio
  • ModelRS28F-4
  • Part Number275-140
  • UPC844632080371
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (22 Reviews)
  • Weight1.8 lbs.
  • Case Qty28
  • 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.

View similar products to the Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter
in the Tweeters product category.

Reviews

Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter
Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter is rated 4.8636 out of 5 by 22.
Rated 5 out of 5 by from Better then it's aluminum brother.This tweeter holds down 2.5k and up range in my "Redwoods" WMTMW. I've used both versions of this tweeter and prefer the silk over the aluminum. The silk has an airy sparkle and extension that seems to be lacking in the aluminum version. I never liked crossing these 1 1/8 tweeter under 2k. Although I understand the benefits of doing so. Dr. Ks MTMs use the uliminum version crossed about 1800hz iirc. Those speakers always sounded good to me untill you start to give them some real volume. So when I built the Redwoods I wanted a stress free tweeter. The result is three years later they sound as good as the first day I listened to them.
Date published: 2015-04-27
Rated 3 out of 5 by from RS28F-4 Had issue out of the boxA WT2 test revealed significant kinks in the impedance and phase plots between 1 and 2 kHz. I returned it and rec'd another. It had the same issue. I have yet to test acoustically to determine the extent the imp. and phase anomalies might have on the tweeter's acoustice frequency response.
Date published: 2015-02-13
Rated 5 out of 5 by from Great SoundI have not run any electronic tests on this unit, but is has a very smooth sound. I use a 3KHz crossover frequency and it provides a very nice extension to the high end of a relatively inexpensive pair of bookshelf speakers (plus a first class subwoofer)
Date published: 2015-02-06
Rated 5 out of 5 by from Dash tweetsJammed these puppies into the dash of my 2014 mazda 6 with the assistance of the ole' dremel. Running 3 way active off a pioneer deh-80prs. Sounds creamy.
Date published: 2014-08-20
Rated 5 out of 5 by from Gorgeous tweets that look like an Usher Product.I bought 4 of these for two different projects. A two way with the RS28f-4 and HiVi F8's. The other project will be a three way with an RS180-8 7 in. midbass and RS270-8 10 in. woofer. I was thinkin a 2k highpass on tweet, 2k lowpass on mid, and 250-500 hz highpass on mid, 250-500k lowpass on woofer; and notch filters where necessary. Probably 2nd order electrical all around or whatever ends up working best; level freq resp, in phase between drivers, and avoid any troublesome distortion. A stepped baffle will help with phase alignment hopefully. You all know the process. I can't wait. Hope this tweet is even better than the discontinued Vifa PL27 and D27's tweets in my previous projects. (D27/P17WJ. and PL27/HiVi F8.) Thanks for making world class products for not too many duckets. Maybe I'll post my projects results. Time to bust out Soundeasy again.
Date published: 2014-08-13
Rated 5 out of 5 by from Awesome!I bought these about a month ago. This might be the best tweeters I have ever owned. It took a few days for them to break in and they keep getting better after that. The fact that you can crossover very low with these tweets is great. I tried them down to 1500 Hz with no problem but ended up with 1900 Hz in my system. They sounded best there.I love these tweets! Very smooth, extended,sweet,clean,detailed and non fatiguing! Even at higher volumes! They don't seem to change timbre/low distortion levels.I can't think of anything I don't like about them and for the price there might be 1 maybe 2 tweets out there to compare but, the ones I am thinking of won't crossover as low as this one.Just get them! You won't be sorry!
Date published: 2014-07-07
  • 2015-05-28T07:01CST
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Product Q&A

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Dayton Audio RS28F-4 1-1/8" Silk Dome Tweeter

Sirs, What size connectors do I need for these tweeters? Thanks

Asked by: Xixix
These tweeters use .25" terminals.
Answered by: MattP
Date published: 2015-04-24

This is my first active system. will run these in dash along with RS180P-4's in the doors of Toyota highlander. What do you recommend for crossover points and which capacitor to protect tweeter? Thank you in advance.

Asked by: Active DIYer
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: 2015-04-21

Would that be a drop-in replacement for a Vifa XT25 ?

Asked by: QuantumMusic
Not exactly. The physical size and terminal layout will be different so cabinet modifications will probably be required. Chances are the crossover for the XT25 will "work" for this tweeter but it will not be an ideal alignment. The only thing that will really act as a drop in for an XT25 is another XT25.
Answered by: MattP
Date published: 2015-03-17

How do I tell which terminal is positive or negative?

Asked by: M32forester
The positive end should have a red ink spot on it. The negative is a thinner disconnect.
Answered by: TomI
Date published: 2015-02-09

I purchased this tweeter for my first build and was going to make a mostly matching pair.  In my notes I have the LE as 0.05mH. Did the voice coil inductance really change that much or did I write it down incorrectly?

Asked by: rteklits
The Le on our spec sheet is measured at 1kHz which will show a much higher number. Chances are it was measured at 10kHz before, which will reflect the number you have.
Answered by: MattP
Date published: 2015-01-14

sir can i get this tweeter in india

Asked by: raj bharadwaj
Please contact our sales and customer service for available stock, price and shipping options. sales@parts-express.com or 800-338-0531 x2.
Answered by: MattP
Date published: 2015-01-09
  • 2015-05-28T10:19CST
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