I could not hear a difference between Analog and digital...... what gives ?


I always thought I could hear the difference between Analog and Digital.  I have been looking to add another DAC to my 11 year old McIntosh D150 DAC, and a recent post here about Jethro Tull inspired me to pull out the two best versions of the Jethro Tull Aqualung album - the Mid 90's DCC Vinyl version and the Mid 90's DCC Gold CD.  These were special Vinyl and CD from the same original master tape and mastering.  Ian Anderson kept the master tape hidden for over a few decades before providing them for these DCC versions.  Volume level is also almost exactly the same between the Vinyl and CD.  I played both versions at the same time through the same pre-amp, amps, speakers - switching back and forth through out the whole album and I could not hear a difference between the analog or digital.  They both sounded fantastic and exactly the same.   What does this mean ?  is this normal ? Has my hearing deteriorated ? Is it because both my Analog and Digital front ends are all McIntosh ?  Is it because the DCC version of this Album could be from a digital file on both the vinyl & CD ?   This whole episode has put a damper on my new DAC aquisition...  I mean if I cannot tell the difference between Analog and Digital, then, who am I kidding with R2R, Delta Sigma, etc....  My system is posted under my signature, and as you will see I have very resolving speakers, so, I am not sure what to think...   I would appreciate any feedback on this surprising experience.   Thanks so much.. 

hjdca

@hjdca 

It sounds like you’re in a good place. There’s a couple of comments that I’d make.

Firstly, you can never be sure that the mastering is the same when comparing formats. In the case of vinyl, it is always going to be different.

Secondly, the different formats all have their pros and cons. In an idea world, I’d have them all to get the best mastering. 

Beyond that, I think choosing between formats is a matter of personal preference. My choice is vinyl, but that’s only me. You may feel differently. The main thing is that you're happy with what you’re hearing.

 

 

 

 

Many times the differences are miniscule to nonexistent.  Also, it has been my experience that very often the person who make the biggest noise about differences turns out to be the big phonus balonus.  That is true for all things pursuant to audio and has been so since forever.  You have already been given excellent advice in this thread to which I can only repeat to you; don't worry about it, instead enjoy the music. 

A OP - Michael Fremer did the same comparison:

"As for the DCC, I would never bet against the house of Hoffman/Gray, then operating at Artisan and the DCC is a model of good EQ taste and clarity, plus a fine 180g RTI pressing. Just for the hell of it, I also listened to the DCC gold CD. Give me a break! Martin Barre plays a descant recorder (a small, inexpensive wooden wind instrument in the key of C) on, among other tracks 'Mother Goose.' It's 'flutey' and 'woody' and 'airy' and 'round' on all of the LP editions. You can barely hear it on the CD."

It might be worth playing that passage. If the recorder is unclear on both the CD and LP, then it suggests that hearing damage (ref your comment about shooting) is at issue and that limited hearing bandwidth is homogenising the sound - further exacerbated by the fact that McIntosh does tend to have a common sonic signature as well.

Its funny you mentioned this, I just did a test the other day, I randomly like to do a comparison right after listening to the last song of an LP. I have to say though, my analog rig is worth way more than my digital, and the LP blew it out of the water. Album was : GNR Lies. The Qobuz and Tidal versions couldnt compare at all. In 1-2 years, I will upgrade my digital gear and see if it gets closer, but for now, im happy with my LPs.

I’d stay away from comparing vinyl to digital. There are too many variables and you’re going to end up chasing ghosts. Been there done that.