Ref. 3a , GMA & Tyler compare ?

I'm using the Reference 3a De Capo i speakers on 28" Skylan stands in a small room (11 x 16). These speakers are partnered with a Blue Circle BC-3 tube pre and Simaudio W-3 SS amp. I'm very pleased with the results at both low and high levels. I think that you'll get better results with the De Capos if you have tubes somewhere in your audio chain. I haven't heard the 2 other speakers which you listed.
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For more info about the De Capos you might want to also check out Circles -> Owner Circles -> Reference 3A
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^Think #A with no crossover will get most nods.You have menioned for me what is and acid test for speakers.Apt and condo dwellers plus folks who have just goten over Led Zepplin and Who at live listening levels want speakers that have dynamics even at soft volume levels.I got a pair of Audio Physic Sparks for a buddy and kept them a moth.They were so small interms of width and depth it was fun pulling them out for near field listenming listening sessions (why if I get a 2A3 or other flea powered amp am interested in Cain and Cain Abby's because you can order them with "normal " and near field Fostex drivers and for second system, I prefer latter.Anyway wehn asking a sellr of Sparks why ghe didn't get the Tempos for bigger stage and bass at nott much more money he said tempo's needed to be pushed to opedn up.This is why many oldder rev\civers (evenm a recent 90's Mac pre I had used to have loudnes buttons mainly for bass but I think many folks wanmted to hear dynamics).Gingko makes aneat looking $2500 tube on a tube with three 6 and half inch drivers with top mounted tweeter.Wilson Benesch has $8K Discovery with isobaric loading as well.Great for extra bass in small canbinets but in past iosobaric lines have needed to be pushed to open up which is a shame.Like I said have heard 3A's have good dynamic sense at softer listening levels.Other brands mentioned are respected but doen't know enough to comment.But have a buddy who is giving Reference 3A's some serious consideration.
Chazzbo

with the GMA first order cross-over will it need room to develope its sound? They are truely amazing speakers wich I spent several hours really enjoying them.....just not sure how far you need to be away from them to sound ideal.

with the GMA first order cross-over will it need room to develope its sound? They are truely amazing speakers wich I spent several hours really enjoying them.....just not sure how far you need to be away from them to sound ideal.

I can't comment on the 3A as I have not heard that one (but I do hear a lot of good things about it)...

As for the Tylers and GMAs, I have heard both of these, and have owned the Signature Monitors (technically I still do, as they are the top half of my Linbrook System two piece floorstanders).

I The GMA Callistos I heard about 3 months back and was quite impressed. They get much lower than one might expect, and they had very nice sounstage depth and detail. Classical music seemed to mesh very well with them in particular, and I could easily be happy with them in my home (save for their looks that just don't do it for me, but did for the other person who auditioned them with me)...

The Linbrooks are warmer speakers than the GMAs and get even lower bass still. Speed of drivers and midrange are both close between the two, but I give the edge to the Linbrooks. Top end is about a draw IMO... I loved them both in that area. Dynamics I would give a slight edge to the Linbrooks...

Bottom line is both speakers are superb and I am sure you would be happy with either of them... If you prefer a bit of a warmer sound then probably the Linbrooks would be a closer fit (but keep in mind they are rear ported, so yo will need some space behind them)... If your tastes are a bit more bright (but not overly so) then the Callistos may be what you are looking for...

---Dave