"Burn in" Are you serious?

Burn-in is not a case of beating your ears into submission. Of course many horrible things can at first be tolerated and eventually even liked (smoking, drinking), but most people who participate at Audiogon have the sense to leave plenty of time between critical listening to allow for a change to be accurately heard. Some items don't require as much burn-in as others. My Harmonic Technology cables had me worried for a while, but changed dramatically at the 85 hour point. Why not trust your ears instead of denying the reality of burn in? As a writer/producer for 28 years I have had to use my ears in critical applications hundreds of times requiring much more sensitivity than merely hearing a difference in a cable after 100 hours use. I think the "wishful thinking" might possibly be on your part Waldhorner. Life would be that much simpler for Audiophiles if burn in was not a factor in evaluations. You can try comparing two of the same cables at first and breaking in only one, then comparing them again. Even if the difference after break in in is difficult to articulate, I suggest you "trust your feelings" Waldhorner. Good listening and Happy Holidays to all.

Hi Waldhorner, Yes I think I would expect a difference between an old receiver and a new high end piece. Would you expect a different ride from a new Mercedes when compared to a 78 Chevy? Of course. But that would not prevent me from acknowledging any aspect that might turn out to be superior in the Chevy. Over time and thanks to a few unusual experiences of mine I have learned to trust my ears before trusting my eyes. I know this is hard to do. One example: 28 years ago my band was making our first album in the studio at the top of Radio City Music Hall (same one where Toscanini conducted the NBC Orchestra). I had a "name" producer and one of the most experienced and sought after engineers at the time. The pressure of performing and of being surrounded by "more experienced" ears than mine did not stop me from complaining constantly about something being wrong with the sound. I did not have the tools to describe it but I insisted that they pay attention to my feelings. After a few hours of recording the engineers reluctantly checked into it and found that a 5 hertz tone was being put on tape unbeknownst to them. This discovery prevented problems later on down the reproduction chain, and saved us from losing many takes... I began to trust my ears and my hunches after that and hundreds of similar experiences. It was also a lot of fun watching the Rockettes run around the changing room next door! I would be interested in a clear scientific explanation of break in, but I would not deny its existence in light of my personal experience and the thousands of testimonials here and elsewhere. Objective testing has as many flaws as subjective listening.

Jostler, It is true that people will grow accustomed to certain types of sound over time, but that does not mean that they cannot tell the difference in sound quality before and after a break in in period. Also we are not really talking about the same "people" here. We are mostly talking about a group of somewhat experienced audiophiles, as it would not even be an issue with the majority of consumers. But even an "average Joe or Jane" listening to a component or a cable before, in between and after a break in period would probably notice a difference if asked to pay attention to the quality of sound for a few minutes. I have occasionally asked my wife to compare sound, and for a non- audiophile with little patience for my my audiophile leanings, her observations are keen and are almost always similar to mine. Also, the components I have bought (DVD player, Mini Disc recorder, Reciever) showed no change at all after 10, 100 or 300 hours, but the cables I have bought did show a definite change after a while.

Bravo, Redkiwi. Jostler, If a stereo system sounds fuller (more bass) after breaking in a cable you say I have no way of knowing if there truly is more bass or if I am imagining it, I don't think so. I will not debate the obvious. If my toe hurts more today than yesterday, I know I am not imagining it, and if my stereo system has a different sound with the same source at the same volume, I am not imagining that either. I am not talking about subleties that only a seasoned pro can discern, I am talking about obvious differences that can be percieved by almost any person.

Here we go round the merry go round. Happy holidays to all.