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Need a power amp for a pair of ATC SCM 11's

Hi,
I'm new to this forum, but have been lurking a good while and finally I'm in need of some sage advice!
I'm in the process of purchasing a pair of ATC SCM 11's and I can't figure out what the best power amp would be.
The preamp is an RME ADI 2 DAC, which I love and is so customisable, so I'm kinda commited on that front.

I've seen recommendations here before for the Quad 909, there's a few of them on ebay at decent prices.
Another amp I've seen recommended is the  Wyred 4 Sound ST-500 mkII. 

Should I push the boat and spend the extra on the Wyred 4 Sound, or find a nice bargain on the Quad 909?

Any other recommendations or advice is extremely welcome!

Thanks a lot :-)
moomalade74
arcticdeth's avatar
arcticdeth
1,572 posts
 
As far as class D , the QSC & CROWN amps do a very good job, and do not sound dull or lifeless as most class D does.

Most are fairly inexpensive, but they have a fan, this may not be your choice.

QSC - PLX 1802 is a fine amp. Plenty of power with a AB output circuitry. Plenty of power, and sounds great, but then again, has a fan.
NO rca plugs either :(
xlr 
moomalade74 OP
8 posts
 
Thanks for the advice, not sure if I'm on  board with the idea of a fan, it'll be on a desktop, so might be a bit close to me.

Lots to consider.. 
jjss49's avatar
jjss49
6,926 posts
 
i would think the wyred unit will do well w the atc's

atc's sound great but need tremendous power and grip to drive them well

w4s unit will do that, and it has a nice tonality to boot

i would take that over an old quad amp, as they are old, may need recap and other service 
twoleftears's avatar
twoleftears
5,360 posts
 
ATC makes amps.  Just sayin'.
mofojo
2,415 posts
 
ATC is very revealing and inefficient from what I've heard. My current class d sounds absolutely great in 2 out of 3 of my speakers. My current mains which are very revealing and also happen to be the least efficient not as much. AB much better..
Also was running a Lyngdorf TDIA 2170 last year which I hold in high esteem as far as class d amps go. Sounded phenominal with efficient speakers. 4 ohm low efficiency not so much.  Ymmv.
 Had a Wyred dac one time but never one of their amps. 
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