Check with Madisound to see if they have suitable replacement tweeters.
I think something like this might work...
https://www.madisoundspeakerstore.com/soft-dome-tweeters-scanspeak/scanspeak-d2008/8511-3/4-textile-...
But, best to check with them.
The original Rega tweeters were custom from Scanspeak which is not to say that Scanspeak did not eventually incorporate some of the design changes into a standard model.
DeKay
I think something like this might work...
https://www.madisoundspeakerstore.com/soft-dome-tweeters-scanspeak/scanspeak-d2008/8511-3/4-textile-...
But, best to check with them.
The original Rega tweeters were custom from Scanspeak which is not to say that Scanspeak did not eventually incorporate some of the design changes into a standard model.
DeKay