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help buying irs beta

Hi ima newbie just trying to break into the real hifi world.i have the opportunity to get the irs beta for a steal.i need some advice on what problems to look for and also wondering if the sunfire 400wpc 7channel amp would be okay for these speakers using 4 of the channels 2 for the upper panel 2 for the woofer towers
leximarley4242

Showing 2 responses by bdp24

bdp24's avatar
bdp24
9,395 posts
 
I formerly owned the similar RS-1b, and unless you’re a masochist I would instead get a pair of Eminent Technology LFT-8b, which employs similar but superior drivers to the EMIM and EMIT in the Infinitys.
bdp24's avatar
bdp24
9,395 posts
 
The ET's are rather insensitive (but not as much so as the other magnetic-planar, Magneplanars), but coherency is one of it's strong points; a single driver covering 180Hz to 10kHz! The incoherence Robert Greene talked about in his TAS review was between the ET's m-p midrange driver and it's dynamic woofer. He found switching the polarity of the woofer eliminated that lack of coherency between the two, making for an extremely coherent speaker. The woofers polarity is easily switchable by the owner, the driver leads being on the outside of the bass enclosure.
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