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PrimaLuna Evo 200 underwhelming

Hi all, I wonder if someone can help or advise. I bought an ex. Display Primaluna Evo 200 a couple of weeks ago, mainly based on all the rave reviews and excellent comments on various forums. I must say, that vocals are terrific but overall, the sound seems muffled. There seems to be a hole where the mid range detail should be. I have tried the 4 and 8 ohm settings and there doesn’t seem a great deal of difference. I am using it with a Linn Genki CD player and Robson Acoustics Opulus speakers, also Vintage Tannoy Mercury speakers. I haven’t messed with the tubes because I have no idea how to do that. I so want this amplifier to sound beautiful but there is something missing. Can anyone help please?
golfnut2
stereo5's avatar
stereo5
6,407 posts
 
I would try the KT150 tubes. The EL34 tubes will give you a fantastic midrange but not the extreme bass or highs. Are you using the integrated in triode mode or ultralinear mode?   You could also call Kevin Deal at Upscale Audio, as he is the importer of Prima Luna.  Tell him what you have for speakers and see what he says. 
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golfnut2 OP
12 posts
 
I must that things do sound a whole lot different through the Tannoy’s. Maybe keep the Evo 200 and sell the Robson speakers. Thanks for all your replies, much appreciated.
golfnut2 OP
12 posts
 
Thanks again all, sorry if I have not responded directly to any of your responses, I am new to this forum and not quite sure how it works, needless to say, I have appreciated all the responses and advice. To be honest, I think the Robson speakers are the problem, it sounds like the detail is in there somewhere but can’t get out, if that makes sense. There is so much more going on through the Tannoy’s, which are of course easier to drive. Somebody said it’s about synergy and think that is the key. I am in the UK, so find it difficult to get help from distributors here, even the one I bought it from.
three_easy_payments's avatar
three_easy_payments
2,097 posts
 
@golfnut2  

the sound seems muffled. There seems to be a hole where the mid range detail should be.

I assumed you have tried your Robson speakers with other amps and they didn't have these negative characteristics?  If so, what amps have sounded good when paired with your Robsons?  Just trying to see if it's a topology synergy thing in play here.
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