Oh dear- blown drivers?

[Daniel Weston]

Eish. Was running the Polk RTi4's through the NAD 317 amplifier at half volume for just over an hour and it looks like I have blown the drivers as only the tweeters are working on both speakers. I haven't had the amplifier's soft clipping function activated, could that have been the problem?

Anyway, how do I know for sure if they are buggered? I see that the speakers can be removed with an allen key.
If they are shot, does anyone have some practical suggestions? Can I buy the speakers from the local agents? Can I buy something else off the shelf that would simply 'bolt on?'
Cheers
Daniel

 

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