Sony WM-DD3, Serviced! Beautiful condition.

Description

Sony
WM-DD3
Serviced
Center gear and capstan ring have been replaced. Unit has been cleaned and lubricated where necessary. All functions are working. Optical only very light user marks (please take a good look at the photos to make your own judgement).
Listing includes:
- Sony WM-DD3
- Original leather soft case
- Original User manual
- Original Warranty card
- Original receipt
BE AWARE:
Because of the worldwide situation delivery's can take some longer than normal. In particular the US and Canada!
Returns are
accepted
but buyer pays
shipping
costs
Look at my other listings for more Walkmans and other vintage audio items!
Zero Feedback Members:
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New center gear and not a repaired/glued one
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when the gear is glued this results in higher wow-flutter, so less good sound quality.
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Why do the original gears always crack?
They’re usually made of POM material. This material is very reliable, long lasting and has very good friction properties. However, it has one negative property. It tends to shrink. It shrinks when it is heated, for example when player is left on sun or in car. By heating POM material to 60 C, it will shrink permanently about several percent. It also shrinks with time.
Problem is, when this gear is installed on some other part, for example on metal axle. Plastic material shrinks, while meta one doesn’t. High tension in plastic part will cause that it cracks. Some parts are made of other than POM material. This can be short lasting material, fragile, that breaks into several pieces after some time.
Capstan is replaced:
Reason why this is important:
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is responsible for the correct tape speed
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bad capstan is responsible for high wow flutter