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Considering new amp - Mccormack

I've got the itch to upgrade my amps.

Currently I'm horizontally biamping with two modified Adcom GFA 555 II.

Rest of system as follows

B&W 803 Matrix SII - Recently refurbished
Sonic Frontiers SF1 Preamp
Music Fidelity A3 24 Dac
PS Audio P1000 power conditioner

Favorite Bands are:

Radiohead
Bon Iver
Fleet Foxes
Massive Attack

What I don't like about system: Raspy... especially with radiohead vocals.. The B&W combo with adcom and vocals of peter york are Harsh.

I'm considering the Mccormack amps, anything from the DNA .5's modified to mono's or DNA 2 or DNA 500?? Currently there is a DNA 2 Limited edition on Audiogon for about the same amount as the DNA 500.

My max budget is around $3k, but less would be nice, maybe I could get away with a single DNA .5 or DNA 125?

Any advice would be much appreciated.
koryodell
amadeus
8 posts
 
I once owned the Matrix 803s and drove them with the DNA .5 and it had more than enough to drive the speakers. I actually think the DNA .5 is a better sounding amp than the DNA 1 and much better than the DNA 2(standard edition). I think the treble of the DNA series is a little bright and hard. They have great dynamics and drive though. The 803s are a dry sounding speaker. I think they mate well with the old Aragon 4004 Mk2 which has a better midrange and a more liquid treble than the DNAs but not quite as much drive. The Adcom amps are inferior to both the DNAs and Aragon with cramped soundstaging and a very non-liquid presentation. They do have fine dynamics though.
mapman's avatar
Ag insider logo xs@2x
mapman
15,679 posts
 
I'd say if you feel good about it, do it. Mccormack is very good stuff!

If harshness remains, look at other tweaks from there to address it
ig316b
101 posts
 
I think the McCormack's would be just what you are looking for. If you happen to live within about two hours of Philadelphia I would be willing to offer up a pair of McCormack DNA-1 Monoblocks for a listening session. This will give you an idea if you like the McCormack sound. I have a pair sitting on the sidelines since I started vertically bi-amping my Vandy 3A Sig's with a pair of Gold DNA-1's. E-mail me if this offer sounds acceptable to you.
rleff
1,065 posts
 
Maybe you should also consider Odyssey audio and Belles amps.
Klaus at Odyssey is a great guy to deal with;he may even have some b stock that wiil save you $$$ as well;also they have a 20 year transferable warranty to the second owner.
Belles amps are also highly regarded.
stevemcx
159 posts
 
Just a clarification of some earlier confusion relating to input impedance... All of the stock DNA amplifiers except the DNA-500 have a 100KOhm input impedance. The DNA-500 is set at 10KOhm, as are any of the amps upgraded via SMc Audio with balanced inputs or as monoblocks. If they don't have balanced inputs, they are still 100K.

Best regards,

Steve McCormack
SMc Audio
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