HiVi TN25 Fabric Dome Tweeter

HiVi TN25 Fabric Dome Tweeter

Brand:| Model: TN25
Overview
HiVi combines a hand treated 1" fabric dome, large non-resonant rear acoustic chamber, and a Ferrofluid cooled voice coil together in the TN25, creating a high performance tweeter with small faceplate for close driver placement.
Highlights
  • Inherently shielded neo motor
  • Fabric dome for a smooth, natural sound
  • Large acoustic chamber reduces Fs for low crossover points
Part # 
297-408
Weight: 1 lbs.  
IN STOCK
List Price$30.99
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Part # 297-408
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Product Details

HiVi TN25 Fabric Dome Tweeter

HiVi combines a hand treated 1" fabric dome, large non-resonant rear acoustic chamber, and a Ferrofluid cooled voice coil together in the TN25, creating a high performance tweeter with small faceplate for close driver placement. Self-shielded neodymium motor protects sensitive electronics will focusing the magnetic flux in the gap.



Product Specifications
  • Tweeter TypeSoft Dome
  • Cone / Dome Diameter1"
  • Impedance5 ohms
  • Power Handling (RMS)20 Watts
  • Frequency Response2,500 to 22,000 Hz
  • Sensitivity89 dB 1W/1m
Thiele-Small Parameters
  • Resonant Frequency (Fs)1,500 Hz
  • DC Resistance (Re)4.60 ohms
Mounting Information
  • Overall Outside Diameter2-1/8"
  • Cutout Diameter1-11/16"
  • Depth2-1/2"
HiVi TN25 Fabric Dome Tweeter
  • BrandHi-Vi
  • ModelTN25
  • Part Number297-408
  • UPC844632021794
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (19 Reviews)
  • Weight1 lbs.
  • 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

HiVi TN25 Fabric Dome Tweeter
HiVi TN25 Fabric Dome Tweeter is rated 4.7368 out of 5 by 19.
Rated 5 out of 5 by from High ValueBought five of these for temporary replacement of Morel mdt 44 when a voice coil burns out. These HI VI's don't sound as good as the Morel's but at about 1/10 the cost of the Morel's they deliver a good 50% of the performance.
Date published: 2014-05-09
Rated 5 out of 5 by from Mellow, clean sound with a small mounting diameterPE was having a special on these at the same time that I got an itch to build a pair of bookshelf speakers, so I picked up a pair along with two Dayton RS125-8 5-inch Reference woofers.A custom Linkwitz-Riley crossover at 5kHz is significantly above the minimum that these can tolerate, but even so, the high-end output from these units is extremely clean and mellow. I can listen to them all evening without getting fatigued, and the off-axis response is adequate for my use as nearfield monitors on an office cubicle desk.The 89dB rated response is a fairly good match for many smaller woofers, although I did L-pad them for a better match to my 85dB-rated woofer. Also, the relatively small diameter of the rear chamber means the baffle can be cut with a hole saw, rather than requiring special work with the jigsaw or plunge router.I would definitely consider these again for another bookshelf speaker project.
Date published: 2013-08-29
Rated 5 out of 5 by from Amazing Tweeter For The Price!!Pros. - Clean, Natural sounding easy to listen to. Also handles high volumes well. Fantastic tweeter I have 3 sets of them in different builds and love them all.Cons. - Small faceplate makes mounting a bit more difficult. "Measure twice cut once as they say."X-Over Pros preloaded specs for this speaker as of Dec 31 2000.Fs=1500, Qms=2.201, Cms=0.0184 in/lb, Mms=0.00381 oz, Rms=1.016lb/s, P-Dia=.984 in, Sd=.761 sq.in, Qes=5.33, Re=4.6 ohms, Le=.0388 mH, Z=5 ohms, BL=.21 lb/A, Pe=20 watts, Qts=1.558, 1-W SPL=85.6 dB, 2.83-V SPL=88 dBHope these specs help!!
Date published: 2013-04-03
Rated 5 out of 5 by from SmoothFor the price this is an excellent tweeter. A clean sweet sound equal to drivers 2 or 3 the cost.
Date published: 2013-02-20
Rated 5 out of 5 by from Fit My Needs & sounded good!I bought two of these based on favorable reviews and electrical/acoustic parameters. I have a mediocre pair of old aftermarket Sony 4 ohm 6x9" speakers on the rear deck my car. My plan was to disconnect the crummy mylar tweeters and mount the new HiVis next to the existing speakers on the deck. I used 14.7uF of capacitance each and protected them from direct sunlight with speaker cloth stretched over a flange I manufactured for them that recesses the tweeter slightly so the fabric does not come into contact with the dome. After connection, voila! Worked perfectly, voicing transitioned well with the adequate bass of the Sonys and efficiency matched nicely as well. The Sonys didn't have a true crossover as apparently the manufacturer just used the natural roll-off of the woofers, so my solution, (around 2,200Hz 1st-order x-over), worked just fine! Previous comments concerning transparency and detail were accurate. I am pleased.
Date published: 2012-04-22
Rated 5 out of 5 by from Excellent performer, but what happened to the value?I just revived a pair of diy t-lines with Zeta .5 series crossovers, the TN25 crossing over at 4000hz to a vintage Rogers polypropylene mid-woofer and a no longer available Vifa M22WR-09-06 woofer doing the bass chores. An l-pad with a 1 ohm series and 10 ohm leg was necessary. Transparency and naturalness are its virtues. It amazingly handles the frightening penny whistles of The Banquet from the Jarvi recording of Ivan the Terrible and Christina Deutekom as the Queen of the Night with aplomb. It just never draws attention to itself. However, they've unfortunately doubled in price since I bought them. Nevertheless, an excellent performer, especially where space is a concern.
Date published: 2012-02-09

Product Q&A

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HiVi TN25 Fabric Dome Tweeter

Crossover question.

If I'm using the HiVi TN25 and a HiVi M4N 4" Aluminum/Magnesium Midbass in a small boombox, about the size of a lunch box, is a crossover recommended? Thx.
Asked by: Reelz
very much so! A crossover is required to keep the bass frequencies from destroying the tweeter. With a 4 in driver you can get away with a higher crossover point, I would guess that a crossover point of around 3000-3500 hz with 2nd order filters would do nicely. But it would be best to model the drivers and create a custom crossover with Jeff B's spreadsheets or a similar modeler. Good luck!
Answered by: GingerDude
Date published: 2012-07-31

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