Are they the same? i have access to gold pins GE tubes,   any quick responses would be GREATLY APPRECIATED

I have purchased a set of Grado's 225i's I am looking for my sound setup now,   I am strictly using these headphones for DESKTOP computer use, and my sources are anything form mp3's to FLAC's to AVI to MP4's to MKV's files.   As of right now,   I have in my possession from another...