Polks entry into the compact stand or bookshelf mounted speakers.
They provide exceptional response in a compact form.
If the interconnect is used it greatly expands the image when closely spaced in small rooms.
Here is a hifi classics review
https://www.
hifi-classic.
net/review/polk-audio-sda-crs-461.
html
Our measurements confirm that the Polk SDA-CRS is a very good speaker system—with a host of desirable qualities—when it is judged by the same standards one would apply to conventional speakers.
But it is not a conventional system, and it deserves to be examined for the special sonic qualities that are claimed for it.
We recall the impression that the original Polk SDA-1 made on us: The system could provide a dramatic expansion of the sound stage in at least two dimensions, and we found listening to it both intriguing and enjoyable.
The new SDA-CRS is capable of doing much the same thing, but in it there has been a trade-off between spectacular spatial effects and the ability to benefit listeners over a wide listening area.
Most spatial enhancers (either electronic or acoustic in their operation) restrict the listener to a narrow range of listening locations in the room in order to work their magic.
The larger SDA-1 performed its acoustic sleight of hand for a few listeners at a time, while people well removed from the optimum position had to settle for “only” good stereo sound.
The SDA-CRS is less demanding in listener positioning, but in return its extension of the sound stage is somewhat less dramatic than that of its senior relative.
Nevertheless, the acoustic manipulations of the SDA system present the listener with a broad sound stage, which usually extends beyond the space between the speaker cabinets and it also seems to have an added sense of depth.
These qualities were apparent from any part of the listening room.
And we always found the Polk SDA-CRS to be unobtrusive, visually as well as sonically.
We listened to the system for hours on end, and it was easy to forget that we were hearing speakers at all.
Just the music remained, and it seems to us that this is what hi-fi is all about.
The fact that the SDA-CRS will fit in any room, works as well on pedestals as against a wall (we tried them both ways), and costs less than half as much as the revised SDA-1A says something about its intrinsic merits.
It is definitely not “just another speaker.
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