Are they going to destroy audio?

Ralph,

You make good points but forgot a couple. In addition to heat and power draw, many, including myself, do not want or cannot deal with the size and weight of many of the Class A amps. Heavy electronics never make it onto my "possibles" list.
 
I think some aspect of audio consumers expect a big heavy amp and equate that to quality. There is newer designs and it itsn't just Class D. For example, I have a Coda CSX amplifier that weighs about 60 lbs. 400x2 into 8 ohms and Class A up to about 20 watts, it barely gets warm to the touch and I can play my system loud, this amp has never been stressed, it's just a very well designed A/B without a lot of unnecessary metal. To contrast I had a Pass X250 that weighed 100 lbs, 250x2 Class A up to I think at least 10 watts, memory fails me, but it put out a good deal of heat, not hot to the touch but the heat dissipated into the room, definitely hotter than the Coda. Not saying the Pass is a bad design but you can find other options than Class D in something you can lift and remain cool.

I personally feel that as long as someone is willing to buy a design it will continue to be offered. There will always be a market for big bad ass amps.
 
I am from Europe and right now we are heaving this "energy crisis".
The winter is stepping in and I hope everything will end up OK.
I love my SET tubes and thay are going to keep me warm.

When politicians talk about carbon footprints thay say we, but what thay really mean I you.
Nobody is getting rid of their Lear jets....
 
> Nobody is getting rid of their Lear jets....

Mine's gone - don't say you still have yours!
 
Shaqy88 said:
I am from Europe and right now we are heaving this "energy crisis".
The winter is stepping in and I hope everything will end up OK.
I love my SET tubes and thay are going to keep me warm.

When politicians talk about carbon footprints thay say we, but what thay really mean I you.
Nobody is getting rid of their Lear jets....
Click to expand...

We have the same problem here with John Kerry our Climate Putz and all the movie stars who like to lecture us "normal people" about climate change as they fly daily on their private jets and drive their giant SUV's with their 'posse'. Seems Markle and Harry have been caught in the same hypocrisy repeatedly as well.
.
It's pretty simple - just practice what you preach.
 
MichaelsMinute said:
We have the same problem here with John Kerry our Climate Putz and all the movie stars who like to lecture us "normal people" about climate change as they fly daily on their private jets and drive their giant SUV's with their 'posse'. Seems Markle and Harry have been caught in the same hypocrisy repeatedly as well.
.
It's pretty simple - just practice what you preach.
Click to expand...

Good job turning this dumpster fire into a sh*t show!
 
So I did a little Poll over at Agon just to gauge the feel elsewhere. I asked the following 3 questions.

Have you done away with your Class A Amp due to Heat concerns?
Will you be moving away from Class A Amp due to Heat concerns?
Will you never buy a Class A Amp due to Heat concerns?

The answers did not come directly to each question because you can't really run a poll there with selections to choose. Anyway, the results were interesting. Out of the responders to date, here are the results.

Pro Class A with no concerns - 25
Con Class A with concerns - 5
Neutral or have both - 8

Some comments were interesting and some got political for the same reasons as here. Other comments were about Class D being still in it's developmental stages and not really ready to take the lead. A few comments stated that there are not enough Class A owners to matter environmentally.
 
Shadowfax said:
A few comments stated that there are not enough Class A owners to matter environmentally.
Click to expand...

This is also why you can be assured that they won't be a target by any government ever.

The reason class A is going away is simply that technology has advanced enough that the technique has become insignificant to controlling distortion and how the distortion spectra is generated- with the exception of zero or low feedback designs. Put another way its not the sonic advantage that is was only a decade or two ago.
 
Several of the responders also said they tried Class D or G and went back because they did not care for the sound quality.
 
Shadowfax said:
Several of the responders also said they tried Class D or G and went back because they did not care for the sound quality.
Click to expand...

Of course!

Some class D amps really suck! Are you saying that all amplifiers of a certain class of operation sound the same? I doubt that FWIW, but stranger things certainly happen.

My advice is don't listen to the bad ones. Listen to the good ones. I know some class A amps I wouldn't let into my house on account of sound quality. How is that any different??
 
I recently got a purifi based Audiophonics Class D from around 1100 bucks shipped from France. It easily blows away my tubed MC75 monoblocks. But perhaps the MC75s were just not
a good match for the Sonusfabers. Now I am looking for a speaker that is very efficient yet small enough for my 10X12 room.
 
petek said:
I recently got a purifi based Audiophonics Class D from around 1100 bucks shipped from France. It easily blows away my tubed MC75 monoblocks. But perhaps the MC75s were just not
a good match for the Sonusfabers. Now I am looking for a speaker that is very efficient yet small enough for my 10X12 room.
Click to expand...

Was it the Apollon Purifi 1ET400A Monoblock Amplifier?
 
atmasphere said:
Of course!

Some class D amps really suck! Are you saying that all amplifiers of a certain class of operation sound the same? I doubt that FWIW, but stranger things certainly happen.

My advice is don't listen to the bad ones. Listen to the good ones. I know some class A amps I wouldn't let into my house on account of sound quality. How is that any different??
Click to expand...

I am in the camp of every amp sounds different.

My whole point was in response to your statement - "Its the market that is slowly choking out class A amps, not anything else. "

My poll at AG showed that the market for Class A still seems as strong as it ever was and it's now 5 pages long with only a small handful talking about Class D.
 
MichaelsMinute said:
We have the same problem here with John Kerry our Climate Putz and all the movie stars who like to lecture us "normal people" about climate change as they fly daily on their private jets and drive their giant SUV's with their 'posse'. Seems Markle and Harry have been caught in the same hypocrisy repeatedly as well.
.
It's pretty simple - just practice what you preach.
Click to expand...

Another moronic example of this guy turning an audio conversation into a political rant.
 
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