To purchase RA-211 spares or accessories, please contact the company via their website or visit an authorised retailer.
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All company, product and service names used in this website are for identification purposes only. Their use does not imply endorsement by any brand unless expressly stated. ![]() KEF LSX) Future-Fi Now Tidal, Schiit, SoundCloud, PolyVection RIAA Thinking more about Spotify HiFi Previous. Instead, what follows is the result of an unexpected discovery: an entry-level amplifier that when partnered with the KEF LS50 produces seemingly magical sounds. Rotels RA-10 isnt a new model; it first went on sale in 2012. The RA-10 isnt even a current model; it was superseded by the A10 in 2016. Service Rotel Ra 11 Drivers Seat OfI wasnt particularly looking forward to disconnecting the Vinnie Rossi LIO so that the Rotel RA-10 integrated could take its place in the drivers seat of the KEF LS50. A 349 street price on the RA-10 suggested expectations should be downgraded accordingly. A 2012 birth date suggested that the Rotel might already be old hat. Service Rotel Ra 11 Series Of FortunateBut no. With a heavy nod to 6moons 3 x 1 5 column that documents a series of fortunate events, the RA-10 proved to be a knockout performer with the LS50. A glorious discovery of an improbable partnership between loudspeaker and amplifier where the results kick the door down on expectations, taking a large chunk of the competition with it. Why this loudspeaker and why so long Firstly, I like the way it looks, especially in Racing Red. As do many others. That makes it a common reference point among more readers; and perhaps more so than any other loudspeaker in its class. Secondly, ongoing exposure permits a deeper than average understanding of the LS50s sound profile. This in turn makes it easier to discern differences affected by upstream electronics, especially amplifiers whose performance can vary wildly. Loudspeaker selected, how many amplifiers does the average hifi enthusiast try before settling on one And for the audiophile forever seeing the grass as greener elsewhere, how many of the worlds amplifiers can be brought home before the financial strain becomes too much or domestic harmony is threatened And what of the time required by the amplifier churn No one audiophile not even professionals can hope to systematically eliminate all possibilities in pursuit of The One. Its why forums are littered with posts asking after Best amplifier for loudspeaker X. Service Rotel Ra 11 Trial And ErrorChoosing an amplifier for ones favourite loudspeaker is a game of mix and match, trial and error. Previously DAR articles on suitable amplification for the LS50 here and here were derived from first-hand experience aka listening. That said, specifications and measurements can help us narrow the field. A flea-watt tube amplifier will quickly run out of steam driving a sealed standmount clocking in at 86db. Theres little doubt that the Devialet Expert 200s higher watt count is what makes Steffis Fabric 94 mix sound big, bold and majestic when heard through the 85db LS50. Careful though: the amplifier selection game isnt only about raw power. A loudspeakers input impedance should also be taken into consideration. Here be monsters. In reality, a loudspeakers input impedance varies with frequency. To the amplifier designer, these variations are largely unknown.
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