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Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm

Brand:| Model: AMTPRO-4
Overview
The Dayton Audio AMTPRO-4 Air Motion Transformer is designed for professional audio and demanding high-fidelity applications in which high SPL demands combine with the need for detailed reproduction and musical finesse.
Highlights
  • Folded Kapton ribbon diaphragm delivers clean, detailed, and highly dynamic output
  • Open back design permits dipole or chamber loading
  • Pro-level output and ruggedness for PA boxes, studio monitors, or high-efficiency home playback
Part # 
275-094
Weight: 2.65 lbs.  
IN STOCK
List Price$193.99
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Part # 275-094
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Product Details

Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm

Dayton Audio's AMTPRO-4 model features an extremely large AMT diaphragm with an open-back design (that ships with removable felt strips installed) and powerful neodymium magnetic assembly. This combination produces high output and low distortion over a broad frequency range, while handling large amounts of amplifier power.

Perfect for use in PA loudspeakers, large-format studio monitors, custom cinema speakers, or extreme performance hi-fi loudspeakers, the AMTPRO-4 can easily be chamber-loaded or open-baffle loaded as required by a particular dipole application. Thanks to its ability to be crossed over as low as 800 Hz, the AMTPRO-4 driver is a uniquely effective solution for midrange reproduction as well as treble, and can even be used as a wide-bandwidth “mid-tweeter” driver.

Dayton Audio AMT (Air Motion Transformer) tweeters borrow technology from the original Heil Air Motion Transformer to provide ultra-clean, detailed, and dynamic treble output. The pleated ribbon diaphragm of an AMT provides a large acoustic radiating area condensed into a compact chassis, for extremely high SPL output, wide bandwidth, and improved power handling.



Product Specifications
  • Tweeter TypeRibbon
  • Impedance4 ohms
  • Power Handling (RMS)50 Watts
  • Frequency Response800 to 18,000 Hz
  • Sensitivity94 dB 1W/1m
Thiele-Small Parameters
  • Resonant Frequency (Fs)800 Hz
  • DC Resistance (Re)4.17 ohms
  • Voice Coil Inductance (Le)0.10 mH
  • Total Q (Qts)4.95
Mounting Information
  • Overall Outside Diameter7.87 x 3.94""
  • Cutout Diameter2.83"
  • Depth1.42"
Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm
  • BrandDayton Audio
  • ModelAMTPRO-4
  • Part Number275-094
  • UPC848791000645
  • Product CategoryTweeters
  • Unit of MeasureEA
  • Product Rating
    (1 Reviews)
  • Weight2.65 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

Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm
Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Exceptional AMT unit!! every bit as good as ESShaving I have owned ESS Heil AMT-1's in the past I thought I would try these for a Altec Lansing horn speaker system I am building for some efficient high end frequency range along with sonic clarity and WOW!! Awesome combo with a good set of horns!! Ill post pics and detail on the whole system when done... stay tuned...
Date published: 2014-03-24

Product Q&A

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Dayton Audio AMTPRO-4 Air Motion Transformer Tweeter 4 Ohm

Recommended cross over frequency?

If using this tweeter in a two-way with two 10" Dayton PA225-8's, what do you recommend as the best cross-over frequency for max power handling and clarity for a studio monitor type speaker. Also, do you have one of these or can you recommend a design since you are now offering quite a few AMT tweeters which reach down to 700-800Hz?
Asked by: daveapex
Consider looking at the old ESS designs that used Air Motion Transformers. The full size AMTs first used a 1200Hz xover, then a later version used 1000Hz, and the AMT 1c used 800Hz. But they always used 3rd order (18dB) slopes!
Answered by: bluez
Date published: 2013-10-15

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