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Prima Luna Dialogue 2 or Cayin A100?

I just returned from CES 2010. I own a pair of Sonus Faber Cremona Auditors and I am looking for a very MUSICAL tube integrated amp. For some time now I have decided on the Cayin A100 (100 watts w/8 KT88) as the SF speakers require power. The Cayin is also reviewed as being very musical with a lush sound stage and is well built. Then I visited Prima Luna and was quite taken by the Dialogue 2. Half the power of the Cayin (PL uses 4 KT88), very well built, auto bias (Cayin isn't) and similar reviews. I listen to jazz of all types, classic rock, blues, and vocals (Holly Cole, Alison Krauss, Krall, etc.). My room is 14 x 26 and I use Acoustic Zen cables. What are the pros/cons of the two amps as you see it? Thank you for your time and feedback.
128x128dramapsycho
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dramapsycho OP
28 posts
 
Thanks for the input. I just installed a Primaluna Dialogue 2 into my system. After listening to it for a few days it strikes me as bright -- so much so that I switch from ultralinear to triode to compress the top end. I am using the factory KT88 tubes. Perhaps switching to "better" KT88 will cut the harsh top end. Any suggestions?
facten
2,878 posts
 
Why don't you give Kevin Deal a call at Upscale Audio to see what he may suggest - doesn't the amp come with Genelex Gold Lion Reissue KT88s - everyone's ears are different but with my amp (Ayon Spirit 2 ) they seem the most balanced - might want to consider some NOS signal tubes if you aren't using them already
stickman451
553 posts
 
Dramapsycho,

Try installing EL34's output tubes; I can't believe that they would be 'bright.' Also, give the amp/tubes a few weeks to break-in; it needs a couple of hundred of hours to settle-in.
jimthewebguy
44 posts
 
I had a Prima Luna Prologue Two for one month and then returned it. I loved how it looked and the build quality, but found the high-end harsh, the mids muddled, and everything overly "colored," while my wife disliked the sound even more than me, and disliked having no tone controls.

Had I seen this thread earlier I would have let you know this in advance, as it was only a bot over a week ago that I returned it. My speakers are very clear and revealing, though. I didn't want to bother trying different tubes because I had only one month of use within the return period and I was very busy.

Mine was used and in super-good condition for less than half price, and I got my money back. The shop sold it again the same day. It is a very highly-rated amp with a big cult following, so it must sound great with compatible equipment.

It looked so nice between my black piano, black speakers, and black CD player that it was hard to give-up, even though multiple listenings always returned the same verdict - harsh!
jimthewebguy
44 posts
 
Sorry, I just noticed you got the Dialogue, whereas I had the Prologue. I am surprised, as I had imagined the Dialogue should be steps up above the Prologue, yet from your post maybe not.

My speakers sets are Yamaha NS-1000X, modified B&W 805N in one room, and Rogers LS2a in another. Same Prima Luna sound problems on all. Could be my room set-ups, but I never had the high-end harshness any of with my three previous amps.

I've decided I might just not be a "tube guy," and I'm looking for an SS integrated now.
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