What's wrong with my speaker?


I have a pair of Vienna Acoustics Beethoven Baby Grand Symphony Edition loudspeakers. I love them; however, I’m having problems with one of the drive units. The 6” midrange composite cone on one of them crackles at high volumes. If I press in on the right side of the cone (looking at it), it goes away. Any ideas? See photo: https://www.icloud.com/sharedalbum/#B14532ODWwWHkn. Thanks for reading.
jwhite
Thanks for everyone’s input and advice. I rotated the driver, and it only improved the crackling only marginally if at all. It was worth a try, though.


@bigkidz does Miller Sound sell used Vienna Acoustics parts or is Bill Legall good at fixing these types of issues? I checked Miller Sound's website, and Vienna Acoustics is not on their list of brands that they service. Thanks for the input.
Wonder if you could take it to a dealer and they could replace the driver or perhaps offer a solution.  Hope this problem does not happen to me.  This may be a difficult thing to repair during the Trump virus.  
Blue Bird Music is the domestic distributer for Vienna Acoustics. Call them for advice and a repair option. That sounds like a repair not a replace.

http://www.bluebirdmusic.com/


Either the voice coil is rubbing, or the speaker is traveling out of its intended  range of motion, or both  I once bught a set of B&W DM 14's which had tweeters substituted from a cheaper speaker.  They looked identical until I removed them. The popping and crackle at high volumes was because the cheaper speaker had a smaller voice coil and magnet, from a cheap B&W that cost a quarter of the DM14 price. You might be able to order a new driver, and on domes, replace only it, but you will not be able to straighten a bent (overheated) voice coil, unless you value your time at about a nickel an hour, or have a lot of experience, which practically no one does, because people value their time.
Pressing on the driver can change the alignment while you press, and it can limit the travel.  You might actually try an ageing woofer trick. Put the speaker in upside down.  I have seen (i.e. heard) this realign a sagging suspension enough to cure the problem.