Burn in
Hi Dave,
I totally agree with you and this topic drives me somewhat crazy also because there's no rational explanation / logic as to why. I know there are many people who believe some amplifiers, such as the Parasound JC 1's, take a substantial amount of play time before they sound like they should. With my Pass Labs, the manual states that the amp needs to be "on" for one hour before it performs as specified. Many years ago, I had a Classe Audio SS preamp. The manual stated or my dealer told me that the unit needed, if I recall correctly, 300 hours of playing time before things started to gel. With this particular piece, it sounded so terrible "out of the box" that I thought it was defective. Bright, no bass, no soundstage, no imaging. Gradually, things did smooth out.
Prior to shipping the CDP1, Ron played the unit for about 350 hours.
When I got it, I ran it 24 / 7 for 6 days or so and did some listening each day so the period of time to hear the changes was somewhat short. I definitely heard the mid bass / bass warm up and become less anemic over that period of time with the result that the overall presentation became much better integrated.
My experience for what its worth.
G