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Dayton Audio AMT1-4 Air Motion Transformer Tweeter
I would like to use these tweeters in my truck as part of a 2 way active system. Would these do well facing up towards the glass?
These will work fine for the application, but I would recommend wrapping them in a grill fabric to help block the sub and prevent dust and debris from falling on the diaphragm.
Date published: 2014-11-19
Just a few follow up questions regarding direct wiring of the AMT1-4 tweeter, 4 ohm, with other 8 ohm drivers. What would be the load, in ohms, that the receiver would see? If not 8 ohms, would it be harmful to the amp driving 8 ohm rears and 8 ohm sub?
The load will be no different than it is with the 8 ohm load, except at the frequencies where this tweeter is crossed. This will be high enough in frequency not to matter, as it will not draw enough current to harm anything.
Date published: 2014-10-29
Is it possible to wire an AMT1-4 tweeter, being 4 ohm, in combination with a dome tweeter and a woofer being 8 ohm?
Yes this is perfectly possible. You will want to wire it directly to the input of the cabinet with its own high pass filter installed in line.
Date published: 2014-10-28
Can I use the DA AMT1-4 to replace a ribbon tweeter?
I want to replace a Foster Ribbon Tweeter with the AMT1-4 crossed over at 8khz in a Legacy Focus. Is this switch suitable? Does this tweeter require a rear chamber? I do not want di-pole.
This tweeter is closed back and does not require a chamber. A crossover point of 8kHz will work fine assuming the original is 4 ohm.
Date published: 2013-10-19
How good is the dispersion? Is it good for home theater, or single listening position?
In general, tweeter dispersion is predicted by comparing the wave-length of the freq. in question with the driver diaphragm size. While an AMT works differently than other drivers, I have not heard any difference in dispersion as compared to similar size/shape drivers. Like a similar sized ribbon tweeter, the vertical dispersion is very tightly focused at the VHF, & moderately focused at mid-freq. The horz. should be fine to cover a fairly wide listening area (good for home theater).
Date published: 2013-10-19
Does this unit require a chamber?
It looks as though this unit has a pad to attenuate the rear output or damp it, which leads me to believe it is not a sealed system to the rear.The next logical Q would be if it can be run dipolar and remove the damping pad?
I have worked with AMTs by AC that look the same as this one; they do require a chamber, or can be used di-polar (open baffle).DKennedyAudio Engr.
Date published: 2014-08-04