I don't believe reviewers have any responsibility to break-in products themselves. The products they receive should be ready to go.
I believe the distributor failed to ensure the product was ready for review. However, this is also a failure of Tannoy as they don't publish guidelines for their distributors stating any minimum amount of usage before a product is sent for review.
It is certainly possible the review sample did have 1000 hours. However, being quite knowledgeable on the subject, this product does not sound like what the reviewer described after it is fully broken-in.
I'm not sure what you are getting at regarding the video. At 27 seconds into the video, the narrator says, "Tannoy is dead." I didn't watch any further. Sensationalism isn't my thing.
If Tannoy is dead, who is setting up this booth at the Bristol Hi-Fi show right now? I spy four models that are less than one year old on display in this booth.
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Clearly, Tannoy isn't dead. So, that statement was an exaggeration. Are there other exaggerated statements in the video? I don't know; I didn't watch much of it.
Dead companies don't go to trade shows. Dead companies don't release new products. So, why would anyone make such exaggerated statements? And who stands to benefit from these statements?