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Hi all,   I recently purchased the senn hd 650's and i've been rather  pleased with them, but i do find them a little dark. I had heard about the sennheiser veil, but now i kinda understand what people were talking about. I just modded them with the defoaming procedure and it somewhat...

Hi all,   Does anyone have experience with the shure 840's and burn in. Does it help??  Also, if burn in actually does work in changing the sound, how does it affect the high frequencies? more or less "sparkly"?!!  I ask because I feel the 840's lack a bit of sparkle and wondered if maybe...