IF you haven't built a class A amp, make sure you build one. It is easier to get what you're looking for with it than with class B amplifiers.
When the threshold curves for noise are plotted they are pretty different than the Fletcher Munson curves - we are more sensitive perceptually to noise by > 12dB @ -4KH
Another reason is that we are listening to differences in noise holistically, not trying to pick out specifics like we do with music replay
I haven’t had time to read (and absorb) the whole novel but the last pages he mentions timing and center/side eq which is a dsp option of the RME adi-2 dac so definately need to get up on that.😎
@billshurv,
Ok, that clears my confusion. 🙂
Btw, the line about "one want's to have an argument and his handle is not ...." that was an example of british humor, wasn't it?
@ Evenharmonics,
Hm, so it was another Evenharmonics who wrote #21417 , really ?
Evidence is still missing.
Ok, that clears my confusion. 🙂
Btw, the line about "one want's to have an argument and his handle is not ...." that was an example of british humor, wasn't it?
@ Evenharmonics,
Hm, so it was another Evenharmonics who wrote #21417 , really ?
Evidence is still missing.
I do notice where both of my recievers switch over....yammie is 1.5w and Hint is 3w or 4w (can’t recall exactly)
Big difference in stage and clarity
Of course you would say so because you are in denial for the sake of your audio business.
You mean you've never used store bought amplification device ever?
That's a very very definite maybe, depending on too many variables. Remember that the definition of where B ends and AB starts is completely arbitrary. The lm3886 and TDA739x are both considered AB as are some way-past-Oliver-criteria amps. Broad swaths are not the best idea.
As far as "over biasing" a cfp, depends on ones goal.
So we are back to the date when your claim was posted (9th of June).
Your claim and your obligation to provide the evidence. 😉
Obviously, it will be much easier to see who's in denial of what after you brought up the evidence for your claim........
I tried this earlier and played it just once via laptop speakers (Dell Vostro at lowish volume)
Dans results are in his .txt file.
My differences to those of Dan's are here.
Code:
STAID/STEAD
ELK/ELEC
WEEN/WEAN
FEW/VIEW
SCUFF/SCOFF
OUGHT/ART
MADE/MAID
VAT/BAT
GEM/JEM
OWE/OH
As I don't know any class B on the hifi market ;-), I had instantly read AB, in the original johnego message.
On my side, I would better class the class D in the same range than Class A, as crossover distortion is what's make the difference between A & AB.
Btw: About details, I found, listening to Bruno Hypex amps and some others that they were over simplifying the message. Easy listening, good separation, something lost in the very low levels that makes the music a little, how to say, sterile ?
But I do not exclude the hypothesis that it is the absence of distortions to which the class AB accustomed us.
Reason why some had the idea of those Class A-D amps ? (Never listened to them)
Anyway, as I think switching frequency too close to the upper frequency of the audio range in class D amps, and dislike the output filter, what about Class G ou or H ?
Someone made a listening test of some good ones if exists?
Most reasonably inexpensive power amps, (including my own) are essentially Class B, with just a slight overlap region to minimize Xover distortion. Class A is really difficult to make at 100W or more.
Thank you both. The distortion used is interesting because it affects just low level signals, which I was not able to do before. It may represent a very bad class B transistor amplifier of early seventies. Now, it depends on music we listen to.
If this distortion is applied to a rock music (I tried well recorded Godwhacker by Steely Dan in 96/24), it is almost impossible to tell that the distortion was added. If I added the same distortion to Beethoven's No. 9 symphony Movement No. 1, the distortion is immediately audible in the low level passage just after the beginning. Interesting. Thinking about preparing files, but I am not sure if it is not a wasting of time.
Mainly, but there are people on this thread who are completely closed to learning or accepting another viewpoint. Which is a shame because, noisy though the signal is, there is good stuff to be learned here 🙂
Thank you Tournesol, I’m completely out of my depth here, but will continue to listen to what is being talked about.
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