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Old 13th September 2013, 10:43 AM   #1
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Default tweeter with 98 db sensitivity

hi all
I,m trying to find a tweeter to pair with 2 x audax aerogel hm100zo in a mmt configuration
the audax drivers will be used as mids in a 3 way connected in parallel so giving 99 db and hence my problem

I cant find anything for a budget of around $100 per tweeter that has both good power handling and sensitivity needed to match with these mids

the closest I can find is this vifa

Vifa DX25TG09 04 1" Fabric Dome Tweeter | eBay

any suggestions are welcome
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Old 13th September 2013, 10:56 AM   #2
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Location: Dona paula, Goa
Klipsch RB81 II speaker has 97dB sensitivity and has a titanium dome tweeter, but it is installed on a tactrix horn. Don't know if it can do.

Replacement klipsch part can be purchased.

Gajanan Phadte
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Old 13th September 2013, 11:01 AM   #3
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thanks Gajanan
I will check it out ,I have not heard any thing favourable about the klipsch stuff though so I,m not sure

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Old 13th September 2013, 01:50 PM   #4
IG81 is offline IG81  Canada
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If wanting to seriously get above ~95dB sensitivity, compression drivers are where it's at IMO. The usual suspects all make great units: BMS, Radian, 18sound, Beyma, B&C, Faital Pro... Selenium and P.Audio have fair units for a lower price. A good CD on a proper horn or waveguide can achieve better pattern control and better dynamics IMO.

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Old 13th September 2013, 01:55 PM   #5
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To follow up on IG81's post, I strongly urge the OP to visit Zilch's Econowave thread over at There, you will see many examples and measurements of compression driver/horn arrangements. It's got over 3 million views and 15,000 posts.
"It's all about the music!"
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Old 13th September 2013, 08:35 PM   #6
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thanks guys
I will check out the page mentioned
also ,how close is good enough as a start ? is the vifa I mentioned in the ball park

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Old 13th September 2013, 09:48 PM   #7
DeonC is offline DeonC  South Africa
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Hi Sheafer

Madisound currently has a special on the Hi-Vi RT2-Pro Isodynamic tweeters. They usually retail at $246.35, but are on special at $98.00 each. I know this as I want to get a pair myself, but my car needs some repairs and that is more urgent. Oh well, I hope this helps you.

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Old 13th September 2013, 10:00 PM   #8
tinitus is offline tinitus  Europe
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Originally Posted by slr 5000 View Post
any suggestions are welcome

I don't know it
but maybe it would work
sometimes we know very little, and sometimes we know too much
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Old 13th September 2013, 10:12 PM   #9
ScottG is offline ScottG  United States
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The problem here is combing and driver separation dealing with the two mid.s used higher in freq. with any tweeter that isn't small.

A few ribbons and planars are available.. but they can't be crossed over particularly low.

This makes the overall design difficult - especially at a budget. (..worse if it's an MTM, rather than a TMM or MMT.)

One way to design with this in mind is a particular network structure (with delay for the tweeter when compared to the mid.s) where the tweeter is opposed to the MM line - i.e. to the side of the MM line, and specifically to the *outside* of the MM's.

Ex.removing or cutting down the dispersion control plate on the HiVi RT2-Pro and having it beside the line of MM's. You can see from the photo here that the back is much more narrow than the front plate suggests:

Product information:RT2-Pro Isodynamic Tweeter
perspective is everything
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Old 13th September 2013, 10:54 PM   #10
brig001 is online now brig001  United Kingdom
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This might be under your price range, if that makes sense, but what about the Monacor DT-80?
I use them and quite happy.

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