2. amps-preamps
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can a new amp amp tame my speakers?

Just spent some time listening to what I've been planning to upgrade to for main speakers. PSB Synchronys. The Imagine T2's are close, but slightly veiled in comparison. My current, but old, Infinity Kappa 7's really don't give much away to the PSB's. My amp is an old Yamaha MX2, 125wpc, and I've heard them described as bright or harsh, and that's the only complaint I really have with the sound now. Can a well-chosen amp tame the highs on the Kappa'a, which use a ribbon-style tweeter? Or is the 'taming' I seek only going to happen with a speaker upgrade. I honestly don't mind upgrading the speakers, and fully expected to, but after today's auditioning, I'm wondering if I'm going to get that much benefit from that level of investment. $3500+ is a healthy chunk of coin for benefits of slimmer profile and tamed highs. In terms of imaging, weight, and bass, the Kappa's are equal, imo. The system is also the theater, but the avr can power the surrounds, so an amp upgrade could be 2 channel. A power boost is a must too, as the current 125wpc isn't enough for when wifey's not home and the volume gets wound up ;)
english210
schubert
4,867 posts
 
Correction, my amp is a Synergy 450 there is no 550.
In any event, doing a marvelous job right now in hearing all the instruments in Brahm's 3rd, not just the big clump my Oddesy Statos gave me, sweet as it was.
runnin
397 posts
 
The question might be are you going to be replacing the Kappa 7's for the PSB Synchrony or keep the Kappa's with this amp. Because it looks like the Kappa 7's may have some ohm dips at certain frequencies that go down to 2 ohms or so. Using a bridged amp for that is not recommended in most cases.

If you're interested in the A21, they do go on sale. I bought mine from a dealer who shipped it to me for under 2K. And there might be deals on Audiogon used as well. The W4S I'm not as familiar with, but they have lots of power too. You just need a dealer willing to deal.
runnin
397 posts
 
I responded to your thoughts on bridging, but my post hasn't appeared.
english210 OP
121 posts
 
I was warned away from bridging by Richard Schram at Parasound as well. He said to go with the 2250. I've since read that an HCA 2200II is a better amp, though. It certainly specs out better in terms of current,but that doesn't tell me how the high frequencies would sound. I'm not writing off the PSB's, but the goal is to solve my high frequency issues with the Kappas with the right amp so I don't have to spend $3500 + on speakers
drjay
27 posts
 
My Thiel 2.4s were a bit on the harsh side with a Hafler 9500, very nice from top to bottom, but losing some detail and transparency with a B&K 2220, wonderful with a Conrad Johnson 2300A and really gorgeous after I had the C-J completely re-caped with polyethelene capacators. A revealing speaker like yours should improve a great deal with an amp upgrade. As an aside, an ATI 1502 was literally unlistenably harsh with these revealing speakers, despite ATIs good reputation. I have learned that the amp matters a lot, given revealing speakers.
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