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Focal Utopia monitors: Diablo vs. Micro Be

I have a pair of Micro Utopia Be speakers (complemented with a REL Stentor 3 subwoofer) which I drive with an Accuphase combo, i.e. the E-550 amp together with the DP-500 cd player. I like the speakers very much and I was not really thinking of getting rid of them, nor am I feeling the need for a change/upgrade. However, an audiophile friend of mine informed me today than one of his friends is selling a pair of Focal Diablo Utopia 3 speakers for about half the retail price. Since the speakers are less than a year old this seems to be a good bargain.

I am interested to here opinions from anybody who has compare these two speakers. Are the differences so significant to justify a 5K (euros) investment?

Thanks!
nvp
elviukai's avatar
elviukai
135 posts
 
Hmm.. my expierence says that specifications on websites is for.. comaparision with other manufacturers, nothing more. and its fine for that purpose (assuming all says the same "true")

OK I checked, the lowest Micro impedanse is 4.2ohms , while rdc is 3.7ohms its definately 4 ohm speaker and your accuphase will deliver more current. Diablo have very similar results, thought its electrical pahse shift and impedance changes is much smoother than Micro. both speakers are easy to drive (this is not Maestro with 3 drivers overlaping with total 1.6ohms!) but theese impedance changes and ~1db more eficienty on Diablo may be considered as better for amp.
phaelon
1,052 posts
 
Elviukai, will you tell me where you found the Diablo's phase shift and impedance curve. I've been looking without success.
elviukai's avatar
elviukai
135 posts
 
I measured it by myself. I didn't noticed electrical phase measurements but I have a frequency and impedanse measuremets in audiomagazines as well.
phaelon
1,052 posts
 
Thanks Elviukai, I'm using a robust 25W/Ch. tube integrated with the first generation Mini Utopias. I'm generally happy with the combo but the Mini's have some severe spikes below 100 Hertz. Based on your measurements, do you have an opinion on a change to the Diablos.
elviukai's avatar
elviukai
135 posts
 

I looked at mini utopia impedanse indeed both peaks are more peaky (30 and 35 ohms at 30 and 80hz respectively) than Diablo which have 31ohms and 17 ohmz at 36hz and 78hz respectively. however it would not be major dificulty to amp. I have not heard oldest model of mini utopia, but I believe its still top of the class performer and probbaly way much honest comparing to diablo(it look like more studio monitor to me seing frequency response) but Diablo is so seductive and it feels so good to enjoy it. its the first focal speaker which is enjoyable to me for its character rather than ultra audiophile quality.
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