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1/2" Mylar Dome Shielded Tweeter 8 Ohm

Brand:| Model: 1-2TW-SD85
Overview
Save up to 65% off the original, discounted retail price on this 1/2" Mylar dome shielded tweeter through this Parts Express exclusive factory buyout. A bypassable 2.2 ohm padding resistor is included.
Highlights
  • Low mass Mylar dome extends response
  • Phase correction faceplate also protects diaphragm
  • Includes bypassable 2.2Ω, 5 watt padding resistor
  • Magnetically shielded ceramic motor
  • 1/2" diameter dome for superior off-axis response
Part # 
279-002
Weight: 0.2000 lbs.  
IN STOCK
Regular Price$3.00
You Save58%
Sale Price
$1.25
Buy 10-99 $1.05
Buy 100-up$0.99
Part # 279-002
Qty:  EA
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Product Details

1/2" Mylar Dome Shielded Tweeter 8 Ohm

This shielded tweeter is perfect for replacing tweeters in many classic speakers. The 1/2" diameter Mylar dome diaphragm offers superior off-axis response and is protected by the built-in phase correction on the faceplate. For greater power handling, and 1 dB of padding, a bypassable 2.2Ω, 5 watt resistor is included.

Save up to 65% off the original discounted retail price through this Parts Express exclusive factory buyout. Act fast, quantities are limited!



Product Specifications
  • Tweeter TypePoly / Mylar Dome
  • Cone / Dome Diameter1/2"
  • Impedance8 ohms
  • Power Handling (RMS)30 Watts
  • Frequency Response6,000 to 20,000 Hz
  • Sensitivity88 dB 1W/1m
Thiele-Small Parameters
  • Resonant Frequency (Fs)3,500 Hz
  • DC Resistance (Re)8.27 ohms
Mounting Information
  • Overall Outside Diameter2.88"
  • Cutout Diameter1.88"
  • Depth1.25"
1/2" Mylar Dome Shielded Tweeter 8 Ohm
  • BrandFactory Buyouts
  • Model1-2TW-SD85
  • Part Number279-002
  • UPC848864012698
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (20 Reviews)
  • Weight0.2000 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.

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Reviews

1/2" Mylar Dome Shielded Tweeter 8 Ohm
1/2" Mylar Dome Shielded Tweeter 8 Ohm is rated 4.4 out of 5 by 20.
Rated 4 out of 5 by from Great deal - ideal replacement tweeterI bought 10 of these - I needed one to try out as a replacement tweeter in an old Minimus7 speaker - but for the price the additional 9 will be fun to experiment with.First - the replacement application. The Minimus7 uses an odd shaped custom tweeter. So I needed something with a small footprint to replace it with so this product seemed ideal. Another reviewer also mentioned it was possible to cut the plastic mount down in size a bit but I did not need to do this. This tweeter is a bit more directional than the original, and perhaps a bit less sensitive. It certainly worked perfectly - listening to a pair of these speakers, one with original tweeter and one with this replacement - they sound great. Much better than no treble on one side! Sure - if I rock the balance control back and forth I can hear a difference - but listening to music you do notice this. For just over a $1 problem solved!As a tweeter for a new project these would work - but you get what you pay for. Don't expect crystal clear hi's or response that extends down into the low mid-range. This is a 1/2" tweeter with a smallish magnet structure - by itself it sounds more like a super tweeter. I paired one of these with two of the closeout 6.5 mid-woofers PE has on sale right now in an MTM configuration and the sound was quite pleasant. I plan to build three of this configuration to use as fronts and center in a home theater setup. These are perfect for this application.PE's offering such great products at such low cost is awesome for those on a budget (like me) who want to experiment with speaker design. I love shopping the PE close out page for bargains like this. As long as your expectations are reasonable you cannot go wrong with a pair of these as replacements or for experimentation. Get some before they are all gone!!
Date published: 2015-04-23
Rated 4 out of 5 by from Almost impressedPicked up a pair to assist in the upper octaves of a portable MP3 player I was building. Ended up not using it. What to do with extra speakers? I know, a buddy needs a pair of very small bookshelf's. Coupled with a Fountek 3", also from the Parts Express clearance rack, put in a 3.75 liter enclosure tuned to 75hz, padded down the Tweeter with an additional 7 ohms of resistance to get the sensitivity right, worked out a very simple 6 db crossover at ~4000hz (the Fountek's run full range) and done in 4 hrs minus painting of the boxes. MUCH smoother then they have any right to be for less then $2. They even try their hand at making a sound-stage. There not Scan-Speaks, but for a dorm room bookshelf, they sound really good.
Date published: 2015-04-11
Rated 5 out of 5 by from Incredible quality for the priceI needed tiny tweeters to install in a small portable Bluetooth speaker cabinet. The available area in the cabinet to install tweeters is extremely limited. I took a chance that I would be able to cut the tweeters down, and it paid off. I used a band saw and cut off as much as the outer mounting flange as I could. I then used a small belt sander to make it even smaller. I wound up doing this to 3 speakers, and I'm totally happy with the results. I had upgraded a similar speaker using a pair of Tang Band 1/2" tweeters, but these at a fraction of the price of the TB tweeters, sound better. I elected to go without the resistor, as I needed a bit more high-end. I bought 10 of these tweeters and checked every one. Not a bad one in the lot.
Date published: 2015-04-04
Rated 5 out of 5 by from 1/2" Mylar Dome Shielded Tweeter 8 OhmI was able to repair the tweeter horns on two MTX speakers with these tweeters. The speakers sound great now.
Date published: 2015-02-23
Rated 4 out of 5 by from for a buck, ya cant go wrong!They work, sound decent enough for a non critical listening application. Bought 16 of them to use in a line array project on the cheap. Have yet to finish the build.
Date published: 2015-02-03
Rated 5 out of 5 by from Perfect drop-in replacement! 99 cents well spent!I bought 2 of these tweeters to use in a pair of Auvio 6.5" bookshelf speakers that had blown tweeters. These were a direct drop in replacement, no modification needed to the enclosure to get them to fit. Only modification I made was removing the 2ohm resistor and putting a 2.2uF 50V capacitor in its place, to act as a high pass filter at around 8kHz. Works like an treat; the new tweeters sound even better than the old ones!!!
Date published: 2014-12-25
  • 2015-04-26T07:00CST
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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.
1/2" Mylar Dome Shielded Tweeter 8 Ohm

I would like to use these tweeters in a budget garage speaker project along w/ the GRS 8" full range. What would a good starting point be for the crossover? I want to keep it simple (cap only), using a sealed cab design, powered by Lepai 2020A.

Asked by: safTguy
A 3 uF cap would be a good place to start for this tweeter. You can go lower in value for a higher crossover point, but I would not recommend larger than 3 uF.
Answered by: MattP
Date published: 2015-02-12

Is the 88dB measured with the 2.2 Ohm  in series?

Asked by: MKEM
The Reason I asked this questions is because the tweeter was too load when paired with a HiVi B3N. However, tired of waiting for a reply, I just replaced the resistor with a 4 Ohm and like the balance much more. I used a simple first order crossover with 2.2uF (poly) and 0.1mH (air core). The B3Ns are tuned down to around 48Hz and these tweeters add a real crispy high end. Loving the sound as desktop speakers. 
Answered by: MKEM
Date published: 2015-02-23

How well would these work with the Aura NS3-193-8A? Crossover around 8K?

Asked by: ScoWill
These should work well for that application.
Answered by: MattP
Date published: 2015-01-12

I have a few pair of Dayton b652. Except for the color of the "cone", these look identical to the tweeter in them. Is it? If not, is this a higher or lower quality part? 

Asked by:
The 292-438 GRS 1TM-4 is a closer match for the original specifications of the B652 tweeter. This tweeter is similar quality, but has a dual magnet assembly that may result in different performance from the original B652 tweeter.
Answered by: DaytonAudio_Rory
Date published: 2015-02-18

does the included res. work as a "crossover"

Asked by: rbair
No it does not,  it only buffers the output- a simple first order crossover could just be a 2.2 ufcapacitor in series , a shallow slope starting at about 9000 hrtz. Wire the capacitor in line onthe tweeters + terminal.   ERSE has a free online crossover calculator. 
Answered by: spunk
Date published: 2015-01-08

Which terminals are used for 2.2Ω, 5 watt ?

Asked by: ROCKETT
You will want to use the two terminals that are side by side if you want to use the resistor.
Answered by: MattP
Date published: 2015-01-08
  • 2015-04-26T08:59CST
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