I have noticed some chat about this topic, in the
enormous JVC thread, and would like to break this out, into a thread, as I think it warrants discussion, and might grab a few extra readers, on its' own.
I know that many people are excited about these digital amps (in various forms - Panny, JVC, Kenwood, Teac, Carver, and high end ones too), and some have purchased them. Some wax eloquent about their performance, others are sceptical about the posts, others remain lurking...
Sounds like any normal product right?
I know that there have been threads on "good for the money" and don't wish to resurrect that chestnut, but it does certainly seem appropriate to discuss the level of performance, available for a given price point, and how digital amplification plays.
There have been excellent points raised (in the aforementioned JVC thread) by Carlman (who has exceptional taste in speakers <fellow lover of Usher here>), Dmason, AphileEarlyAdopter, TheChairGuy, A6M-ZERO, geofstro and richard.
Some have sold more expensive gear after purchasing some form of digital amp, others have been less impressed.
I guess, for me, it comes down to what has been delivered, for the $$ invested - basic ROI I suppose.
Let's use the Teac amp that I have 2 of. (Darn thing doesn't get enough press thanks to you JVC addicts!

) They originally listed for somewhere around US$350 or so, and are STILL sold in Canada for CAN$479 by one retailer... but the prices have fallen, to the point that they are considered a US$99 amp, since J&R Music sells them for that, there. I did pay that for each of mine. I also bought a couple of used preamps to play around with, in the hunt for increased musical satisfaction. I have a passive PS Audio piece, and an older analog B&K pre/pro that I prefer (I have become an even lazier wanker, with the addition of remote control...

).
I have since begun to offer my previous amp, the Sugden integrated that I used for 10 years, for sale. That amp ran about US$1200 in the day, and was absolutely the best I had heard (again, for the $$ I had to invest at the time) when I bought it.
I have written about the differences in sound, with the Tripath amps, versus the Sugden, and will not repeat that here. What I will point out, is that I think, in my system, it sounds better. That is the stock Teac. Wayne is likely to deliver my modded Teac in the coming weeks, and that should prove interesting. The mods include (and Wayne can correct me if I botch a layperson's summary) PS improvements, circuit path simplification, upgrades to RCA and binding posts, and coupling cap upgrades. These are basically in line with what many agree is needed to improve the abilities of a product built to a price point, around a fantastic chip.
So, all that preamble aside, what is the digital amplification value proposition? Do you think that these digital babies punch above their weight? Are they worth the money? Do they deliver, for you, better sound, for less $$?
Does that matter to you? For some, the collecting of high end gear is part of the appeal of this game, impressing your buddies with expensive toys etc.
I think that Carlman has made an excellent point about his experience with a stock XR25/45 when he suggests that they are competitive with $500 receivers, but not beyond, in his experience. Carlman, please correct me, if my paraphrasing is off, I don't mean to put words in your mouth.
I think that AphileEarlyAdopter REALLY nails it, when he points out that what digital amps deliver for him (and I am totally in agreement here) is transparency, detail and dynamics. For me, that is a HUGE point in home audio. For others, it may be different.
I know that Zane9 is interested in opinions about digital amplification, he will be at my place to listen to the Teacs when my Bolder unit comes home, and I am confident that there are others, who are interested in hearing more about this.
So, please chime in with your experiences, and it doesn't have to be brand specific. I guess I would like people to share (or argue...) their experiences with shifting to digital amplification - positive, or negative, so that we can collectively get some idea about the pros and cons of this technology (perhaps even outside the context of "for the money".
So, let's have at it!
Mark in Canada