November 2007
Intermediate to advanced
736 pages
46h 32m
English
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FEATURES OF STEREO CARTRIDGES
In stereophonic applications, one of the most critical components is the pickup cartridge.
The weight of a cartridge and pickup arm assembly is transmitted to the record as needle force. The maximum allowable needle force without excessive record wear is related to the size of the needle tip. Wear is dependent on pressure, which is force per unit area. The smaller the needle tip, the less the needle force must be to prevent wear. Too small a needle tip size would result in loss of tracking; that is, the needle would skate over the record instead of staying in the groove. Thus the minimum needle tip size is kept to 0.5 mill, and the range of needle force is roughly from 1/2 to 6 grams.
Frequency response is usually ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.