Topping PA5 (TPA325X) : Is a modification worth it? ?

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Joined 2007
Of course which is why that list is a total sham. Certainly not an educational forum. Over there they’re taught that you just need to know 1 number to know what’s best. Keep it simple, this way you attract simple minded people.

Not true. Amir lets the more simple minded people believe that of course, because it attracts traffic, but he provides more measurements and one that can read then can get a much more meaningful picture of the reviewed product. If a product is designed honestly the TH+D at 5W/1Khz is strongly correlated with the overall performance. I have several reservations about what is going on that site (dare criticise objectively bad choices by Topping and they will aim at your throat) but it is also useful and more informative than, say, SBAF or similar fora.
 
Quantum plugs
An idea so absurd that I don't know how to comment on it. The manufacturer writes that the stickers are equipped with hardware. Yes - you read it right.

Each such coin should be made in the tuning process from 100 to 140 hours, and the acquisition, the effect was visible (audible). Improvement, of course, in details, stage, ether and what else you can come up with.

Quantum delusions - HIGH level. 24 carat gold version:

:))))

https://audiovoodoo.pl/kwantowe-zaslepki/

 
"Kwantowy rezonator szumów"

Wow, Bybee's in Poland?? :D
https://audiovoodoo.org/
Tutaj masz aktualną wersję :)

Pro-audio fuses - fuses for audio ...
01. February 2012 · Comments Off on Pro-audio fuses - fuses for audio… Categories: Original posts from Audiovoodoo
It may be hard to believe, but fuses for the audio were created.

They are one of the elements through which the supply current flows. It is not a signal, its changes do not affect what appears at the output. This is nothing, such fuses do not even change this supply current. It is simply easy to replace and not very expensive - so it sells, and if there is demand, there will be supply.


Quote:

Gold fuses for the devices as well as for the fuse board will make even this element of the system truly audiophile. Only in this way will you achieve a truly refined and detailed sound.
Please think, an audiophile player, an audiophile amplifier, expensive loudspeakers and a separate power supply for this set. Thick, expensive and gold-plated power cables on all sides, and finally the current flows through a thin wire worth 10 cents. Now this element can also be "on the level". The German manufacturer offers you fuses of all sizes and values available on the market. Is it working? The highest quality gold fuses surprise everyone, the sound improvement is unbelievable. And all this for a small amount.
 
https://audiovoodoo.pl
Use the translator and read to yourself :)

For example:

https://audiovoodoo.pl/altmann-tube-o-lator-lacquer/
ALTMANN "TUBE-O-LATOR" LACQUER
Published on 2016-01-31
The producer boldly admits that he has no idea how it works. The only guess is that the energy of the signals causing the unpleasant sound in the varnish is converted into micro-vibrations and, consequently, into heat. Lubricate the transistors, converter, single-circuit amplifier, wait a few days and enjoy the tube sound of your equipment.


Let s talk about Magic lol :

https://www.audiosciencereview.com/...tube-rolling-does-it-make-a-difference.28583/
https://www.audiosciencereview.com/...-of-rca-cables-mogami-amazon-monoprice.27871/
https://www.audiosciencereview.com/forum/index.php?threads/when-12-gauge-wire-is-not-12-gauge.3/
 
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closed account
Joined 2007
Scientifically it's true .... but I doubt your ears will be able to measure what a measuring instrument perceives .... If I blindfold you and place the 5 best amps in the ASR ranking, I can make sure you won't see any difference.

Would you be ready to spend 1400 euros to dispose of the imperceptible?

My last question is : do you own the Purifi ? Do you own the AHB2 ?

Did you read the text I wrote? I mentioned also the power. I doubt I would be able to distinguish them if they are used with the same speakers which are easy loads for both amps. I also have my own Purifi build (it is described also here on diyaudio)
 
Did you read the text I wrote? I mentioned also the power. I doubt I would be able to distinguish them if they are used with the same speakers which are easy loads for both amps. I also have my own Purifi build (it is described also here on diyaudio)

I read it yes ) now Factually :
About Power, you should check this.....

How loud is 1 Watt (with an 87db Loudspeaker)?​


 
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closed account
Joined 2007
I read it yes ) now Factually :
About Power, you should check this.....

How loud is 1 Watt (with an 87db Loudspeaker)?​



I am aware of this. I am also aware that amplifier often start to show fatigue way before they reach the rated power, so some headroom is always good.

I am not saying that the PA5 is power starved though. I am just stating the fact that the amps it is compared to can give significantly more power. And getting good measurements at increasingly higher output is difficult.

It seems that John Yang of Topping has designed a very nice composite amplifier around a class D chip amp – it seems a first, and goes head to head with Neurochrome's composite amplifier series around the class AB LM3886 chip amp. Very nice competition!
 
Not yet.


But I got this picture from ASR, zoom in :

TPA3251 no doubt )

Amazing what can be revealed under thermal paste


7DC24C00-D57C-47F9-9EF1-790B9274CC34.png
 
AYRE ACOUSTICS BURN-IN CD:
A CD with a specially prepared soundtrack that removes the residual magnetism from cables and components [writing this hurts :(]
When preparing material, 0.5 bit dithering with function distribution triangulation.
It is recommended to use it once a month.
Price $ 20

CD-audio tile corrector - winner of the competition for the greatest break
"Intelligent chip" GSIC-10 is a special device, we put it on the playing cd-player exactly above the place where the tile is for 2 seconds, and it upgrades the sound of this tile, no comment is required.

the price is $ 16 for the 10 upgrade, and $ 40 for the upgrade for 30 tiles.

Have fun :))))
 
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D

Deleted member 148505

We must go in the direction of technological evolution ... Class D is constantly evolving.
Recent chips have certainly corrected the faults of their elders.
If not, research and development will be irrelevant ... No:cry:
There's no class-d chip yet that surpasses the TPA325X chip in terms of THD+N performance. (that do not use post filter feedback) So right now this is the pinnacle of pre-filter feedback class-d chip. Most chip designers are leaning towards energy efficiency rather than THD+N performance.