Driver break in takes minutes, not days, and should have already been done during QA checks on the speakers before being sold.
I agree 100% with that statement. My point is that speaker break-in takes seconds or minutes, not 'many hours' as you claim, I stated this in my first reply. Also that this break-in is usually accomplished in the QA testing by the manufacturer.
Both these points I made are backed up by the article you linked.
"Required break in time for the common spider-diaphragm-surround is typically on the order of 10s of seconds"
"Quite often, spider break in occurs when the driver is tested, before and/or after placement in the cabinet for which it's intended. Driver testing by signal stimulus at some point (or points) in the manufacturing process - if done at levels sufficient to break in the spider - generally makes further break in unnecessary. Hence, a finished system will not - in so far as its drivers are concerned - require further break in by a consumer once taken home from the dealer."
Here's another one for you. Hours to weeks in some cases.
Running-in period for hifi speakers
The loudspeakers used in speakers are complex mechanical parts which require a running in period in order to work to the best of their ability
www.focal.com
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Running-in period
Loudspeakers running-in
The loudspeakers used in speakers are complex mechanical parts which require a running in period in order to work to the best of their ability and adapt to the temperature and humidity conditions of your environment. The mount will still be rigid and restrict the expression of medium and basses in particular. A loud speaker will not perform at its best in new condition.
Running-in period
This running in period varies according to the conditions encountered and can last for several weeks. To accelerate this operation, we advise you to run your speakers for twenty hours. Start with pieces of music without excessive basses and with low sound volume. During the twenty hours, regularly increase the volume and change the style of music. Once the speaker characteristics are totally stabilised, you will be able to enjoy the performances of your speakers in full.
Using your speakers at a reasonable volume will continue to run in your speakers and improve them. It is not unheard of for a system to continue to improve after 50 hours of running in.
And they are right, it takes a good period of time and at high levels with a lot of bass in some cases, same applies to headphones.
If you can't hear the difference from none broken in high end speakers or headphones, it means they are not for you and you wasted your money on something you can't hear the difference with. I hear how bad some speakers and headphones sound when new till they are broken in right and for sure after the break-in if they still sound bad they go back for a refund.
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