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Krell FPB 600 or 400cx?

I own Revel Ultima Salon 2s and am looking to upgrade my amp for better performance in the low end. Right now I'm just not getting any real punch or slam in the bass dept, and I know the Salons are capable of much more. I have the opportunity to go with a fpb 600 or the 400cx for around the same price. Any thoughts? Is the extra 200 watts of power on the 600 worth losing any sonic benefits of cx? Or is the cx so superior sonically that there's no comparison?

Thanks.

Josh
punishen1

Showing 4 responses by sfstereo

sfstereo
193 posts
 
Matjet,

Are the new evo series much betterbthen the fpb 450 mcx? I am using 2 450 mcx, a 350 mcx along with a kav 500 for the rears and sides.

The 450 mcx still sounds pretty but I wonder if the 400e is much better. I have always preferred monoblocks to stereo amps.
sfstereo
193 posts
 
I had an in-house demo of the Ayre MX-R monoblocks driving a pair of Revel Salon 2 and I was surprised that I preferred the 450MCX. The Ayre was more refined in the mids and highs but the 450 MCX had much better bass and had a fuller sound.

Do the EVO amps have better mids and highs than the MCX?
sfstereo
193 posts
 
Matjet,

Thanks for the great info. I wish Krell would come out with a slightly cheaper version of the 707 with CAST outputs.
sfstereo
193 posts
 
Matjet,

I have a Lexicon MC12B and a Pass Lab X-1. I am considering replacing the x-1 very shortly and MC-12B as well.

Most single box ssp don't sound good on 2 channels perhaps, the 707 might be the exception.

I will try to audition the 707 if I can find a local dealer.
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