How to most safely remove HD6XX drivers?

[Rails646]

So a few weeks ago while removing my HD600 drivers to clean them one momentarily slipped from my grip while prying it from the brackets resulting in the driver softly touching one of the plastic pins in the housing, this dented the membrane in the helix area and proved impossible to un-dent. The HD600 was on sale at my audio store and drivers unavailable so I just bought a new pair with the idea of using the old HD600s for a little project since I love the sound of the HD6XX series; painting them and slapping in some HD650 drivers with a 650 cable. I have ordered the HD650 drivers and will be receiving them in a few days knowing I am going to need to be EXTRA careful removing said drivers before putting them in the old 600 chassis. The "system 300R" which has the drivers I presume has the drivers come in the main housing so I will have to deal with said brackets/removing of the drivers again to do this. With the way I was doing it (holding the driver and slowly prying it out and bending the brackets gently as shown in the shorter youtube video describing this process) there still remains a lot of potential energy which resulted in the aforementioned slip up. Is there a more sure-thing/safe way of doing it? If it comes in the housing as I believe it does from the photo of the system 300R is there a way to just slap the whole housing/system into the 600 chassis/headband? Or should I try just breaking the brackets on said system, take the drivers out safely and then just slap em in the 600 housing? Any other way/suggestion?
 
Thanks in advance for any suggestions, they are much appreciated.
 
Cheers

 

[HipHopScribe]

I would just switch out the whole housing, they're interchangeable 

 

[Rails646]

  I would just switch out the whole housing, they're interchangeable 

Thanks for the reply. IE the 650 housing is interchangeable with the 600 housing?

 

[HipHopScribe]

  Thanks for the reply. IE the 650 housing is interchangeable with the 600 housing?

 
Yeah, just pop the grills and the trim pieces from your current 600 on the new 650 driver housing, no need to fiddle with the driver itself