Opinions on Wyred 4 Sound ICE amps

Dob,

The person who started this thread asked about the Wyred 4 Sound amps, not about Spectron, Mark Levinson, Kharma, or Weiss switching amplifiers. I owned a Wyred 4 Sound amp, so felt I could offer first-hand impressions.

The amps you mention may sound terrific, although I suspect are considerably more expensive than Wyred 4 Sound amps and are not on the radar screen of the person who started this thread.

But since I have not heard the amps you referred to, my generalization about Class D amps was unwarranted.

I need an amp for my dad's old speaker (german brand, the enclosure is made from stone, can't remember the name, 87 db).

I found a second hand W4S MC4x250 for a good price, and tempted to give it a try.

I own Threshold SA1 and 10E monoblocks, do you guys think MC4 is comparable/better than the 20 yearsold Thresholds?

Seems though, as most class D amps is leaner in the lower mid, upper bass. Might be, that some speakers suits better and some worse.

These are the best buy in Class D generally to match to tube pre-amps.

They are highly damped and sound best with speakers that benefit from this and a lot of power and current

ALso, the small physical size and light weight makes these very practical for many to use rather than big, heavy monster amps that may be required otherwise.

In these scenarios, they are hard to beat.

Otherwise, YMMV more and other amps are more competitive practically.

Oscars review....from '08 points out the use of the ASC module, which I believe needs a powersupply. OR can be driven by the appropriate power rail on an ASP module.
'd' may lack upper range information on very low impedance loads where the Zobel begins to drop off the frequency response.

Also, at least from the visual standpoint, the W4S amp is the back panel DUPLICATE of my PSAudio GCC series. The so-called 'gain cell' input on the PSAudio? Who knows? It could be the zero-feedback FET input under a different name, or a fairly simple (but potted) opamp circuit? Unknown.

As for sound, my PSAudio drives my panels with ease. Very good dynamics and high overall loudness at the same time. Image/ space is severely impacted by speaker setup in my space. The (formerly) Big Box TV between the speakers made setup even more compromised and difficult....This is NOT the fault of the amp, which has alway performed to the limit of my setup...IMO.

Other than the fact that the maximum power output is severly time limited (see B&O datasheet) this amp delivers.
For HIGH DB listeners, I'd go with a pair of of the lower powered amps rather than the Kilowatt model. Doing a biamp with a pair of the 500 watt (4ohm) will both result in more extended highs at low impedance and longer hi power time limit.