45-knock-out.png
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Summary
Description 45-knock-out.png |
English:
In some regions, 7-inch 45rpm records were sold for a 1/4 inch spindle with a knock out for playing on a 1 1/2 inch hub. In contrast, in the US for example, the default hole was for a 1 1/2 hub. To play the latter on a 1/4 inch spindle required the insertion of a device called a "single puck."
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Date | |
Source | Own work |
Author | SageGreenRider |
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