2. amps-preamps
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How Much Power is Enough?

I'm thinking of upgrading my YBA 2 Alpha HC amplifier (70 wpc). I'm currently using PMC OB1 speakers that are fairly inefficient at 87db. I really don't play my system at very loud volumes...and I don't think that I'm stressing my current amplifier...but I'm not sure. I'm looking for an amplifier that will bring about a wide soundstage, tighter bass, and exceptional smooth execution of mirco-detail. Would having more power make much of a difference? ...or should I be looking at a higher quality amplifier and stay with lower power like my current YBA? Some amps I've been considering on the USED market are: Pass XA60 monoblocks (lower power), Pass X150.5, SimAudio Moon W-5....
Would these amplifiers be a good match for my system? Would it be an upgrade from my YBA? Any advice or discussion would be appreciated.

calgarian
calgarian5355

Showing 1 response by jim_swantko

jim_swantko
301 posts
 
I have in-efficient Aerials and recently upgraded from 125wpc Linn to 350wpc Levinson and the difference was staggering.

The extra power (and current capacity) tightened up the bass and improved everything else along with it. Micro-details, slam, punch, etc....

I truly think that you cannot have enough clean power.

I'd see if you could borrow a higher powered amp and see for yourself. I think you will be very pleased at what more power can give (the more current the better).
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