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Conrad Johnson Premier 12, how powerful?

I've read in several places that the CJ Premier 12 is not great for inefficient speakers. This is surprising given that they're rated 140 wpc. How inefficient is inefficient? I have Opera Callas monitors, which are 87 db. Is this inefficient? I'm trying to find a tube amp, but power is very important. I don't like merely 'adequate' power.
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Showing 2 responses by phaelon

phaelon
1,053 posts
 
I'm seconding Tantra's post. The 87db sensitivity will not present a problem. I'm using the cj Premier 11a (70 watts) with 91db speakers. However, neither amp is the ideal choice for a speaker with a challenging impedance curve.
phaelon
1,053 posts
 
Speed is relative and mostly a function of speaker/amp synergy. Coincidentally, I just got off the phone with Ed from cj and one of the subjects we touched upon was the speed improvement realized by using Teflon capacitors. So, given that you thought MV60SE was fast enough, I'm sure you will find the same with the Premier 140; but if ultimate speed is of concern, audition the cj LP140 with the Teflon caps.
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