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Valve Amp for Sonus Faber Sonetto IIIs

I'm looking to move into the enticing but deeply confusing world of valve amplification. The more I read online the more bewildered I become. The SF Sonetto III's that I own are 89db sensitivity and 4ohm nominal impedance and I've seen the suggested amplifier output given as anything from 50W to 250W. Can anyone enlighten me as to realities of the situation. I don't play music at ear-bleeding levels, mostly it's classical--chamber to opera, jazz, and acoustic, although I sometimes get nostalgic for my lost youth and play King Crimson and Jethro Tull.

I'm currently looking at the Sinfonia & Triode amps from Unison Research, the McIntosh MA252, and the Synthesis Roma 510AC. 

Any thoughts or advice (of the idiot's guide variety preferably) others may have will be gratefully received.

grauerbar

Showing 1 response by ghdprentice

ghdprentice
6,508 posts
 

@jjss49 

+1

I power my Sonus Faber Amati Traditional with Audio Research REF 160s in triode mode… so 70Watts per channel…. They can be played a lot louder (and sound good) that I ever want to hear them. 
 

One of the known synergistic combinations is Sonus Faber and Audio Research. Detailed, big soundstage, great imaging and midrange bloom and excellent bass. 
 

Once I switched to tube amps, I realized I never wanted to go back.

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