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Are my Virgos efficient enough?

I'm expecting delivery later in the week of a pair of KR Audio VT 6000 monoblock amps. They output 20wpc in Class A with the special KR Audio 300 bxl tubes. I'm wondering will this be anough power to drive my Audio Physic Virgo IIs? I believe they are relatively sensitive at 89db, but they also operate at 4ohm load, so not sure if that will make a difference. Anyway, I'm wondering if I should seek out more efficient speakers to get better results, or if the Virgos will do the amps justice. Right now I drive the speakers with Blue Circle BC2 monos to great effect (75wpc in Class A), and Supratek Syrah. I would be looking at speakers in the same price bracket (used) as the Virgos. Over time though, I would be tempted by the JM Lab Mezzo Utopia or GR-Research Line Source (again, assuming my amps could drive them). Thanks in advance for advice. Cheers,
John.
outlier

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outlier OP
381 posts
 
Thanks Gregm for the thoughs. Just to clarify, when you say you've listened to the Virgos with my amps - do you mean the KR Audio (the ones I'm getting), or the Blue Circle BC2s (the ones I have). Yea, I reckon a more sensitive speaker may be a better fit, although I do love the Virgos. Also, I'll be using the amps and speakers not just for music but also for movies/ht (not surround yet, but will get there). Anyway, again thanks in advance for all comments and suggestions. Cheers,
John.
outlier's avatar
outlier OP
381 posts
 
Thanks guys for the input - all interesting stuff. I'm probably a little weary of moving to horns, if the bass will suffer, especially because I'll be using the amps to watch movies as well as listen to music (I know they're not ideal amps for HT, but I guess my love of tubes for music outweighs any leaning to SS for the 'omph' that would be welcome in HT). Would something like the JM Labs Mezzo Utopia mate well - they appear to be sensitive, and I suspect they would be an upgrade from the Virgos. Cheers,
John.
outlier's avatar
outlier OP
381 posts
 
Thanks for all the extra input. Well, I just got delivery of the KR Audio monos, and holy $%*#, they are good :-) They seem to work just fine with the Virgos, so my itch to upgrade the speakers is abated for now. the thought of some subs & SS amps for low end sounds intersting, but I've never had a good experience with subs. I bought a used REL Strata II to go with my virgos before, but found the additional bass imposing and a little disengaged from the Virgos, even though the RELs are supposed to integrate better than anything else really. Anyway, I guess I'll investigate later, but I'm all SET for now (no pun intended :-)
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