Review and Measurements of the Topping D70 DAC

[Veri]

any special setting required for it..i plug both and only one can play it..pls helps

"When you shut off the power, press the SEL button, and then turn on the power, you will go into the system setting"
I think there you can choose all modes :

 

[Paulkouhan]

Hi,

Did you test the RCA unbalanced outputs ?

 

[maxxevv]

Hi,

Did you test the RCA unbalanced outputs ?

Its all there ....

 

[chosen_too]

Going to order this baby for 440 US, speak now or be silent forever))

 

[777]

Excellently manufactured !

 

[777]

Ha, the same mistake....Y2 capacitors...

 

[Moriarty]

Thank you for sharing! Looks really clean. So, these Y2 capacitors are responsible for hum spikes? Does it matter at all? Both are below -120 dB treshold, we shouldn't hear it anyway... If it is source of any audible problems, I think it would be easy to replace them (or not?).

If I remember correctly, this gem played music for you for a few days. Could you write something more, please? Any unexpected probems, vide Topping DX3Pro case? How is sound after few days? Pleasant, no "artificial" taste, good space?

I'm very curious, still no review around, help us with your opinion, please!

 

[Veri]

Ha, the same mistake....Y2 capacitors...

Could you elaborate?

 

[777]

2.2nF at 60hz has 1Mohm aprox. 320Vacp / 1Mohm = aprox. 300uA injected in the ground. This current x ground resistance = aprox few uV or few tens of uV. So, we have the =120dB mains noise and harmonics related.

 

[777]

It's very easy to remove that capacitors. In fact it is much safer without them and obviously, less noise.

 

[sonci]

Really, they put 0.2 cents of capacitors for no reason?
I think every single piece of electronic is well calculated and no manufacture would spend more than the minimum necessary for the price..

 

[777]

That capacitors are for EMI standard tests but not from the outside to inside remove noise, it's for inside to outside suppresion noise. In our case it's not necessary. D70 power supply is a low noise one.

 

[amirm]

any special setting required for it..i plug both and only one can play it..pls helps

There is nothing to do. Windows recognizes both as different sound devices. You just have to tell your player which one to use of it doesn't have that feature, make the one you want the default one in the Sound control panel.

 

[PorchSong]

That capacitors are for EMI standard tests but not from the outside to inside remove noise, it's for inside to outside suppresion noise. In our case it's not necessary. D70 power supply is a low noise one.

So, you are saying we "can" de-solder and pull the Y2's and it should be fine? Or do we take them out and have to bridge the board? Again, hypothetically, of course.

 

[amirm]

Really, they put 0.2 cents of capacitors for no reason?

It is not for no reason. Topping is one of the few smaller companies that actually gets its devices certified with respect to radiated emissions. Those capacitors help shunt some of the emissions that would be conducted over mains cable to the input, thereby reducing their level.

 

[DeepSpace57]

Guyz, after @amirm ’s suggestion ( D70 over smsl D1), tempted so much to buy. It is seen that D70 is around 440 USD with all coupons i now have. Do you think there will be a lower price through this summer on AliExpress?

 

[777]

So, you are saying we "can" de-solder and pull the Y2's and it should be fine? Or do we take them out and have to bridge the board? Again, hypothetically, of course.

Yes, just the pull out and nothing more. But remember, here is high voltage ! Do not do that if you are not a competent person with technical skills ! High voltage can kill you !

Anyway, I will test myself with QA401 if there any low frequency noise reduction, stay tuned .

 

[ceausuc]

Guyz, after @amirm ’s suggestion ( D70 over smsl D1), tempted so much to buy. It is seen that D70 is around 440 USD with all coupons i now have. Do you think there will be a lower price through this summer on AliExpress?

This summer chances are low and if the price will be lower I wouldn't expect more than 25$ price difference.
Other people are also tempted but there are no "subjective" reviews around. I think those are also important.
I learned that the hard way after buying the so good measuring Khadas TB...

 

[chosen_too]

That

there are no "subjective" reviews around. I think those are also important.

Yep, in fact there is no reviews and even a clue how this topping sounds. Recently heard Gustard x26 - brilliant one, but too pricey and hot like hell.

 

[wtsz]

It is not for no reason. Topping is one of the few smaller companies that actually gets its devices certified with respect to radiated emissions. Those capacitors help shunt some of the emissions that would be conducted over mains cable to the input, thereby reducing their level.

Hi everyone
Is the difference in sound in favor of XLR output in listening? I only have RCA in the amplifier.