Was the research process of the PS1000 really 50 years?!
Jan 26, 2015 at 6:43 PM Thread Starter Post #1 of 1
GustavMahler

GustavMahler

Flipping items bought from members on Audiogon.
Aka: GradoLove, Kamilion, opencan, TheBigMuse
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Grado claims so. I know you can't know for sure but is this possible in the headphone industry to research for 50 whole years? If it's true i would be really happy since i am getting them now :)
 
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