I´d like to do a little shameless self promotion (if I´m allowed to do that): I´ve written two reviews of vintage portable CD players on my blog http://marlene-d.blogspot.com/   I became infected after doing a thorough reading here on this site and since last October I´ve roughly collected...

Finally!   I´ve just registered after reading for months and months through many informative posts here...   I have a question for starters and I hope I am posting this question in the right part of the forum. Anyway, I own a very old HD-250 Linear from Sennheiser. The headphone lay...