[Lowfer] Spectran question

[Dexter McIntyre W4DEX]

Charlie , W5COV wrote:
> I wish that I had known this a couple of decades ago.<grin>
>
> I have just recently decided 600 Hz is better these days for my 
> hearing and my computer hasn't complained about it having to hear that 
> same tone :) 
1004 Hz is what my ears can best pull out of the noise.

I suspect there may be a few on the group who knows why.

Dex