R radmo Active member Joined Aug 21, 2005 Messages 26 Reaction score 0 Jan 19, 2007 #1 Any Baltimore area Mark IV owners? I'd like to A/B my Mark IV against yours. I am getting hum,etc., and believe it should be quieter than it is... Please help
Any Baltimore area Mark IV owners? I'd like to A/B my Mark IV against yours. I am getting hum,etc., and believe it should be quieter than it is... Please help
