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Help in selecting 1 of 3 amplifiers

I’ve narrowed my choices for a new integrated amplifier to 3: Peachtree Nova 125 se, Rogue Sphinx, and Wyred 4 Sound mINT. The amplifier will be paired with Kef ls50s and play mainly digital files either from an Onix XCD-88, or an SMSL Sanskrit external DAC (won’t use the external if I get the Wyred or the Peachtree). What are your thought on choosing one? I can’t audition any of the amps where I live so I’ll be buying it blind, umm unheard?

the room is on the larger side since it’s a combined living room and kitchen 15’x25’. The speakers will be in a built in wall unit. Acoustically the room is pretty good, even our Samsung tv sounds darn good, so I’m not worried about the ls50s being unable to fill The room. I’m trying to keep the cost down so I’ll be picking it up used, if Zi can find one. Help me pick the winner!
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Showing 3 responses by georgehifi

georgehifi's avatar
georgehifi
10,312 posts
 
Later model to the one I mentioned, but still with Krell low impedance drive ability.

" Krell touts its massive 750VA toroidal transformer and 38,000 microfarads of capacitance as among the more potent ever incorporated into an integrated amplifier.  –Neil Gader "

https://www.audiogon.com/listings/solid-state-krell-s300i-2017-02-19-integrateds-33315-2524-fort-lauderdale-fl

https://www.audiogon.com/listings/solid-state-krell-s-300i-stereo-integrated-amplifier-pristine-1738-2017-03-02-integrateds-80020-broomfield-co

Cheers George




georgehifi's avatar
georgehifi
10,312 posts
 
I suggested the wireless active LS50.
Then you at the mercy of class-D amps, like em or hate them.

Cheers George
georgehifi's avatar
georgehifi
10,312 posts
 
Bob is correct, lovey speakers the LS50’s but if you want the best from them they need a bit of current from an amp, because of the combination of 5.3 ohms and –41° at 135Hz which could equate to an EPDR of around 3ohms as seen by the amp.
As an example for a small integrated, I can think of the little old Krell 300i that would suit.
Stereophile: Krell 300i " 250W peak program, 8 ohms, grew to 400W peak into 4 ohms with 620W peak available into 2 ohms. These figures are backed by ample peak current, measured at approximately ±45A"

http://www.stereophile.com/images/1212KEF50fig1.jpg

Stereophile Quote:
"The electrical phase angle is generally mild, but the combination of 5.3 ohms and –41° at 135Hz, a frequency where music often has high energy, will make the speaker work at its best with a good, 4 ohm–rated amplifier."

Cheers George

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