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PrimaLuna Premium Dialogue integrated amp with B&W CM9 speakers

I currently own a pair of Bowers and Wilkins CM9, first generation speakers. I've been easily driving them with a McIntosh MA-6850 150 WPC solid state amp. I'm thinking about selling or trading the McIntosh in for a PrimaLuna Dialogue integrated amp, either the Premium or the Premium HP. I really don't need the headphone section in HP; I have a Woo WA6-SE dedicated headphone amp. From the specs it appears that the only other difference between the Premium HP and the Premium is power, of which the HP has double, in both Ultra Linear and Triode modes. The listening room is approximately 20x15 feet. My other objective is to make the B&W speakers sound a little less bright and more musical. I think that listening in Triode mode would accomplish this. My gut feeling is that the 20 watts of Triode power in the Premium amp will not be create enough headroom in the CM9s; I listen to music at moderate to loud voulume levels. I do not have a subwoofer. Any opinions or comments in regard to this will be appreciated. 

zootsuit
zootsuit OP
2 posts
 
I may be incorrect but thinking that ultra linear operates much like push pull operation in tube amps.
I tend to agree with replacing the B&Ws. I'm considering the more neutral Adagio speakers from Acoustic Zen.
I really wanted to avoid selling the CM9s as I do not have the original boxes. Shipping floor standing speakers in anything other but the original boxes can be a potential problem. 
Was just hoping there was an outside chance that the PrimaLuna integrated amp, with the right tubes, could tone-down the B&Ws.
maplegrovemusic's avatar
maplegrovemusic
1,113 posts
 
I listened to the Primaluna Dialogue one integrated with Bower and Wilkins 803 Nautilus . The sound was great . No harshness . Do not know how those compare to your model ....
zootsuit OP
2 posts
 
The B&W 803 Nautilus speakers are in a different league than the CM9s.
soundermn's avatar
soundermn
344 posts
 
The system maplegrovemusic refers to is mine. I moved up the PL chain from the dialogue one to the premium HP. Many will say not to use tubes with B&W speakers, but I have found it to be a good match. The HP is smooth and nice. You can adjust for any brightness by swapping out the two front input tubes. Even considering it in stock form, I don't think you will experience a bright sound. I love the Primaluna sound, and appreciate how easy they are for tube rolling. 
aberyclark
1,355 posts
 
Soundermn, what differences did you notice moving from the dialogue series to the HP series? 
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