The DAC scam

[Covenanter]

The opposite of this could be those that can't afford to spend more on their DAC are the disbelievers ... what do you reckon 😉



Have to agree with this, I wouldn't have bought mine unless there was at least a 14 day return period and I wouldn't have kept it if it made no difference as I have lots of other hobbies to spend what's unfortunately becoming, increasingly less spare funds.

My first degree was in Electronics, albeit that was before most people here were born (or even their parents were born 🙂 ). In the 3rd year (1971) I took a module on "Communications Systems" and we studied the "Nyquist–Shannon sampling theorem" which is the maths behind digital-analogue conversion. (In essence it says that if you digitally sample any signal at twice the highest frequency in the signal that signal can be perfectly reconstructed from the samples.)

Even with what would now be viewed as stone-age technology you could reconstruct signals very accurately. By accurately I don't mean just by listening but by subtracting the reconstructed signal from the original and looking at any differences on an oscilloscope.

The maths hasn't changed but doubtless with modern technology DAC's are more accurate than they were back then. However, we are talking tiny differences between different modern DACs and, as I said in my OP, I very much doubt people can actually hear them.

Now let's discuss cables!

 

[Al ears]

"Now let's discuss cables!"
I've just switched off...... 🙂

 

[Tessie]

Update video 😛

View: https://www.youtube.com/watch?v=LbcEgxm6RTU

 

[davidf]

In what way are more expensive DAC better, what are the differences?

Doesn't matter whether I'd have used "more expensive", "more high-end", "better", etc etc, you're still have asked. If you've not heard a top notch DAC, I'd highly recommend you do so.

 

[Gray]

If you could point me to one that's as good as my Chord Qutest for less than £100 please, then I can sell the Qutest and spend the difference on something else.

My Topping E30 nor the DAC in my Arcam SA 30 or in a Wiim Pro Plus came close unfortunately but if you could share your list of ones that do, a lot of people would be very grateful for your advice.

I've never heard a Chord Qutest DAC.

However, I'd be very interested to give it a genuinely blind test against the Khadas Toneboard that I own.

I gladly admit that I would expect the Qutest to be a hell of a lot better based on the price difference (I'd bloody well hope so if I bought one).
But it depends what a listener regards as better - and I wouldn't be prepared to bet a penny on the outcome of an unsighted test done by a panel of (hi-fi and music) enthusiasts.
Again, to be clear, I'd expect them to pick the Chord as the winner.
(Tell them the prices beforehand and I'd guarantee they would 👍).

 

[davidf]

Unfortunately such is the way of the world. Getting to a dealership to listen to stuff isn't as easy as it once was and with the amount of "information" out there these days its pretty obviously many will take the easy route only to be disappointed ultimately.

I do feel that since lockdowns ended, many have just continued to avoid humanity wherever possible. I get it, but if someone was really interested in researching a potential high-end sale, they would make the effort to do so. Now they can buy most things online, they don't need dealers, and "reviewers" is a dirty word - they have their YouTube gurus to put their trust in.

 

[Gray]

Imagine how good a more expensive, well designed DAC could sound!

That's sort of suggesting that my less expensive DAC is not well designed.
Nothing could be further from the truth 👍

 

[davidf]

That's sort of suggesting that my less expensive DAC is not well designed.
Nothing could be further from the truth 👍

Then you've read it differently to how I meant it.

 

[Gray]

Then you've read it differently to how I meant it.

Fair enough.
But if the more expensive DAC is not better designed than my perfectly well designed one, it's just.......more expensive 🤨

 

[davidf]

Fair enough.
But if the more expensive DAC is not better designed than my perfectly well designed one, it's just.......more expensive 🤨

Hence I said, "more expensive, well designed DAC".