vintage neumann U87 -garage sale GOLD!! $5 bucks! (although it does have a problem)

[hellwood]

it makes a whooshing sound. ive heard the capsules get dirty and they can be cleaned. anyone have any ideas other than "dude, ill buy it from you"? thanks!

[hellwood]

i think these links solved the mystery! its worth checking for all of those people who think they know everything about microphones.

http://www.prodigy-pro.com/forum/viewtopic.php?t=697[/url]
http://www.josephson.com/clean.txt

[Amp Kat]

Could be the tube.

[Jerry]

U87's don't have tubes:(