Help with Acoustat Model 1 + 1

Yeah, I think the 1+1 does need lots of power and you should leave them plugged in all the time. If that bothers you, you might want to look for other speakers.

The Acoustat TNT200 should be more capable than your HK amp. I used a Hafler DH500 on mine back in the day and they were the only speakers that made the Hafler's fan kick up into the high speed. With the Acoustats, the larger models with more ESL panels per side were more efficient than the ones with only one or two panels each... so they played louder with less power.

You can run the Acoustats full range and dial in an active subwoofer using the sub's crossover and volume controls to match it to the Acoustats. If you want to roll the Acoustats off and cross the sub in higher, you will need an electronic crossover or a different set of Acoustat interfaces to accomplish that. But something like an inexpensive (used) Paradigm X-30 active crossover would do the trick.

On the other hand, buying a set of Tekton Lore-series speakers and powering them with a modest tube amp might give better results and they would not have to be powered up all the time...

rrog, plato, thanks for the feedback. per your suggestions i had a buddy come by last night with a 450 w/ch carver pro amp, which although hardly an audiophile-grade piece, made a huge difference--it's clear i was underpowering them even with 150 honest watts. (a bit disconcerting when plugging in the amp makes all the lights flicker, however). the extra juice markedly improved the sub as well. quite exceptional sounding overall--narrow soundstage but eerie realism, detail, etc. i would be curious to compare them to a less challenging, power hungry speaker like the tekton or maybe zu, but these acoustats certainly do justify their reputation.

I am using Maggie 1.7s and recently added a pair of JC1 amps. These are good for 800 watts! I had read even these little Maggies need lots of power but I was not expecting the improvement over the Cambridge Audio power amp I had been using, good for 350 watts into the four ohm load. So I suggest finding the most and best watts you can afford.

Loomis,

You may want to experiment with tubes driving your 1+1s, especially if you have a friend who will loan you an amp(s). They won't produce the bass that that giant Carver will, but that 3-D magic will likely get even better. I've had various Acoustats for 30 years, switched to tubes from solid state 10 years ago, haven't looked back.

Richard

klinerm, i'm surprised that tubes would have enough juice--what specifically are you running your acoustats with?