I'm with you. 11.5khz (faded-in, early 50s). The chart has a small dip to the 40 line there. Not significant but I'll take specialness wherever I can find it.

I'm with you. 11.5khz (faded-in, early 50s). The chart has a small dip to the 40 line there. Not significant but I'll take specialness wherever I can find it. My GP has a theory it's due to damage to my eardrums, from the tubes put in when I was a gradeschooler. Dr was a bit of a butcher but it was the 'deference to authority' age so all the adults were fine with him.