DBA wrote:The only way you can tell a good pressing over a bad pressing is if the music is pressed extremely low, or high over the other.
That really depends on the source and the sonics of the record in question. If I'm listening to a recording of a piano soloist in my living room, and the amplifier is around 50% because I like the sound to fill my house -- then I most certainly will hear small warps and oddities in the geometry of the disc during silent segments; those things are even more apparent to me in headphones.
Different cutting techniques, lathe types, and materials will certainly change the sound of the record. That's not taking into account all of the changes in the mix that might have occurred since the original release, tape rot, restoration techniques and a myriad of other things.
not record pressings that decrease each and everytime the needle touches the groove.
Well, thicker vinyl is going to resist wear so it's entirely possible for a 180g pressing to sound better than a similarly aged and played normally weighted record.
The issue is not whether they might sound different; they likely will. The issue is what oddities in a recording annoy you, and do they annoy you enough to pay a few extra dollars to eliminate them.
Now is the 180g pressing better? I have found that many are louder, yes.
180g isn't going to make anything louder or softer, the width of the grooves will.