Bang&Olufsen Beolab 2500 maintenance. 

You've been enjoying the amazing sound of your BeoSound Overture and Beolab 2500 for years and you don't think your speakers need maintenance. Give them a new lease of life. You can easily do it yourself. Good luck
If you like my channel and you want to donate, you can do so via Paypal: paypal.me/RestorationRC
Thank you in advance.
My email address for contacts: ceslovasr@gmail.com