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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.
rfprice
phaelon
1,038 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.
rfprice OP
71 posts
 
To clarify, do you mean the LP140 has the Teflon caps but the 140 does not?
czbbcl's avatar
czbbcl
1,699 posts
 
Lp140 (comprised of two lps70's) is a single chassis mon-bloc and does have the teflon caps. The premier 140 on the other hand is a single chassis stereo unit and does not contain the teflon caps.

Chuck
rfprice OP
71 posts
 
Very interesting. Thanks Chuck.
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