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Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm

Brand:|Model: OT19NC00-04|Part # 264-1122
Tymphany's (formerly Vifa) OT19NC00-04 tweeter employs an exclusive, patented ring radiator configuration to produce extended, wide dispersion high frequency reproduction. It is ready for custom mounting in waveguides or small enclosures.
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Part # 264-1122
  • Faceplate-less design for custom mounting
  • Extended response, wide dispersion, and high efficiency
  • 3/4" textile diaphragm for articulate sound reproduction
  • Rear chamber extends low frequency response
  • Self-shielding neodymium motor

Product Details

Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm

The Tymphany OT19NC00-04 tweeter features a treated textile diaphragm in a ring radiator configuration. This patented design's center phase plug improves coherency and widens high frequency dispersion. Produced without faceplate to facilitate integration into compact loudspeaker systems or mounting to waveguides.

Product Specifications
  • Tweeter TypeSoft Dome
  • Cone / Dome Diameter3/4"
  • Impedance4 ohms
  • Power Handling (RMS)40 Watts
  • Frequency Response2,000 to 30,000 Hz
  • Sensitivity88 dB 1W/1m
Thiele-Small Parameters
  • Resonant Frequency (Fs)1,030 Hz
  • DC Resistance (Re)3.20 ohms
  • Voice Coil Inductance (Le)0.01 mH
  • Mechanical Q (Qms)7.00
  • Electromagnetic Q (Qes)1.56
  • Total Q (Qts)1.27
Mounting Information
  • Overall Outside Diameter1.31"
  • Depth1"
Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm
  • BrandTymphany
  • ModelOT19NC00-04
  • Part Number264-1122
  • UPC844632092565
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (2 Reviews)
  • Weight0.15 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.

View similar products to the Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm
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Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm
Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm is rated 4.5 out of 5 by 2.
Rated 4 out of 5 by from Minithus!Well i had a set of these laying around, and seeing as how I cant leave anything alone, and one night I was overly amused at an Ebayers "upgraded" minimus 7w's with some switched out caps, I went on a mission. To create the neatest custom minimus 7W out there, and I believe I succeeded! What do you think of my LS-inumus (polks Lsi ;) studio style monitors!? 
Date published: 2013-12-05
Rated 5 out of 5 by from Great TweetersI have bought a set of them for my car, My car is a Audi and the stock locations is very limited to space, so i had to do little custom work.Anyhow, they sound amazing, the whole setup is being powered by 2 Zuki Audio amps class A/B.Also to add to this setup, I have JBL MS8 sound processor which these tweeters are being powered by.The sound is clear, have them crossed at 12db, @ 3.5kHZ. I love it... Just buy them, You will be very impressed and very happy with nice sounding tweeters.
Date published: 2011-09-28
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Product Q&A

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Tymphany OT19NC00-04 3/4" Fabric Dome Tweeter 4 Ohm

Would anyone recommend flush mounting these in a sail panel?

Asked by: phy6
These will work fine for an application like that.
Answered by: MattP
Date published: 2014-05-05

Is this the same tweeter as the vifa xt25 without the diaphragm? I have a pair of older xt25s that came with mounting hardware that I'd like to reuse

Asked by: aquadumpp
These use a similar dome style although they are not the same as the normal XT25 models.
Answered by: MattP
Date published: 2014-05-05

first order crossower recommendation anyone?

Asked by: Victorinox
If you are going to cross this with a 6 db/oct xover - a minimum of 4khz would be suggested.
Answered by: markajh
Date published: 2013-10-22

Is there a practical, solid way to marry these to a Dayton Waveguide?

I have a pair of surplus Dayton Waveguides (270-316) that I've been looking to use in a pair of small cabinets. I'm intrigued by the idea of somehow marrying these RRs up with the WGs, but could use some insight as to how to do that in a solid, acoustically viable way. Hot glue? zip ties? Suggestions welcome.
Asked by: Teddy KGB
The tweeter you are referencing is not designed to be used in that kind of application. It would be very interesting as an exercise if you had the measuring equipment to see the resultant changes in response, dispersion, time smear etc... But there is a reason that there is a threaded mouth - that is so the user will mate it with a driver specifically designed for a horn / waveguide etc...
Answered by: markajh
Date published: 2012-12-27

How are you supposed to mount these?

I have an idea where a tweeter like this would work perfectly, but I'm not sure how I'm supposed to mount it. For my idea it would need to be flush mounted in some thin ABS plastic. The only thing I could think of would be to either glue some straps to the back or try to cut my hole so perfectly that it will fit by interference (though I don't think that's feasible). Could I use the wires to hold it in place?
Asked by: AlexJ
There are pictures that you can look when you google or other wise search for tweeter waveguides. You can also mount these tweeters to cabinet surface from the rear by making the hole as close as you can the same as the tweeter front diameter is and curving the material from the thickness of the tweeter so that the curving starts from the front of the tweeter. The rate you can see from the pictures you find from the net to your liking. The mounting itself could be done by clamps screwed to the material and pressing against the tweeter frame from the rear. Because the tweeters are light, the clamps don't need to be heavy and three or four would work just find. You can even make them by yourself by using thin sheet metal strips and cutting them about 3/8" wide and about 3/4" long, drilling a 1/8" hole to one end and making shallow s-curve to them. Hardware store or hobby stores might also have what you need. You might find that mounting to ABS might be as hard than to wood maybe harder and you would not get any protection for the front of the tweeter as the center would protrude ahead the rest of tweeter. Particle board or any of the materials used on enclosures are quite easy to work with.
Answered by: PasiPT
Date published: 2013-07-12
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