Philips MotionalFeedBack (MFB)
Revision of the MFB Philips 22AH541
I bought two 541’s for a revision project. This set has been seriously affected by nicotine deposits. To make the contrast even clearer, clean and overhaul 1 box and leave the other one in original purchased condition.
To clean the prints, I use a cleaner. It is still a lot of work to get all the nicotine off. After brushing, rinse with lukewarm water, rinse with air. Allow to dry for a minimum of several days.

Aristona 6544 (a variant of the Philips 544)

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