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Frequency Response of Vinyl, Split from "To get into vinyl, or not?" (TOS #5)
almostmitch
post Dec 3 2012, 20:15
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QUOTE (botface @ Dec 3 2012, 13:49) *
I guess you can expect a factory installed arm/cartridge to be set up properly. I'd still want to check though even if only for reassurance that things haven't gone "off" in transit.


This was something I considered. I will most likely double check things, because as you implied, you never know what kind of beating the box took in transit.
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BFG
post Dec 4 2012, 00:16
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This whole conversation has me intrigued about the technical limitations of vinyl. For example, is there a minimum or maximum frequency that can be "encoded" in vinyl (akin to the ~20Hz and 44.1kHz cutoffs on digital CDs)? Does this differ for 33s, 45s, 78s? Is there a way (based on the needle tip and equipment setup) for a knowledgeable person to precalculate the bands that the most noise interference will likely be in, and thus minimize or remove it? Etc.

It's particularly pertinent as I'm planning to attempt a vinyl-to-FLAC encoding soon.

This post has been edited by BFG: Dec 4 2012, 00:17
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bandpass
post Dec 4 2012, 23:00
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Here's a 'Blue box' needle-drop:


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krabapple
post Dec 5 2012, 15:19
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here it is ripped from the CD (1987 edition)







wish i could figure out image display here ... ermm.gif

But if you look at the full size pic, you can see the tone is straighter and cleaner than the needledrop...and of course the silence before it is blacker. Interesting to see to edit right into the 'lucy abby' bit compared to the needledrop. I presume the CD reflects what's on the the master tapes?

This post has been edited by krabapple: Dec 5 2012, 15:28
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