a 3 way design speaker with the ESS Heil type sound

@sputz do you still have your 3-way AMT3s? Or, what did you have, read on if yes.

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If you still have them and update the crossovers by simply replacing the existing parts, and selecting more sensitive/rigid and responsive woofers and midrange, they can clean up nicely. A few threads over on AK on this, and AMT3s too.

Once updated, a nice SS amplifier with added current changes the sound of the Heil, woofers, and midrange with more grip and control. The worst to do is to underpower them. i.e. Running lighter duty 100w vs. 500w amplifiers with dual torroidal output transformers can really wake them up, more responsive, more dynamic. I tried several amps with all of my former AMT-Monitors and AMT-1Cs. A notable difference with higher quality amplifiers or bi-amping AMT-Monitors, AMT3s.

Always a pleasure to read some details and thoughts about the Heil AMT's.   @decooney   To have it imparted by one who had been in the trenches at ESS is a special treat. ;)  Having been a fan of their qualities that span effortlessly over the range produced by a seemingly tiny radiator is modern magic. *S*

Along with a new pair, I've an older pair that came with the original Xovers which still work.  Replacing at minimum the caps is but one of the projects on my bucket list, as well as bi-amping them.  So your comments regarding what watts would work well in the care and feeding are appreciated. *5's* with a +10...

I'll have to wander over to AK and give the locals a break from this Walsh Wacko for awhile.. ;)

To @asvjerry trying again, the last shared photo link did not work. Deleted that post. Trying again, sometimes Google Photos is tricky and fails to present images on Agon. Some inspiration for your upgrade journey, its worth trying :). If you don’t see the photos, it did not work, lol. If you can see it, that’ is two separate crossovers for each speaker, one for the mid woofers and one for the AMT, separately. Won’t ever build these again, way too much work, last bucket list set. 

Speakers are bi-ampable this way too. Bottom line, these two Nomex 8s work way better than one 12" with a passive radiator. The two keep up with the Heil better and less need to suppress the Heil this way for better blending, matching. Picks up some efficiency too. Tube amps, Class-A solid state lower power amps, it all seems to work. First time I heard these with my big tube amps was a nice surprise. Best of Luck on yours.

*Loud fanfare*  Yay, pics! *L*

Would one object if I cut to the chase with some outboard X-overs I have?
I've an older dbx 2way, a more current Behringer 2496 w/sub out, and an ESS Eclipse 2241AM which seems to be a rare bird item....

On that latter one, any insights or comments on it would trigger high gratefulness from yours unruly.🤞🙄

Bi-amp is easy, multiple means of splitting off a sub...or not.  A/B entire, but I'm a First Watt believer even if no tubes involved...although I wouldn't cringe to own one.
But no rush on that, I can get as complex or simple as desired or needed.

8", huh?  Fav of the single driver crewe....  All forward, no back?  Curious, given the AMT dipole in cut-away slots...🤷‍♂️