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Is the era in which a record is produced a critical factor in cartridge alignment?

I've tried searching but can't seem to determine a clear answer. I have seen John Elison's charts (thank you John!) but it appears Feickert mentions that proper alignment depends on when the record was produced.

Can anyone refute this statement taken from the Feickert website?

"The major goal was to find a tracking geometry that suits LPs in a perfect way. Out of a 100 records we checked the inner and outer radii and found out that the IEC recommendations of 60,325 and 146,05 mm were matched well by the large majority of records determined. After Løfgren’s equations this results in 70,2 and 116,6 mm for the Null points and a linear offset of 93,445 mm.
Older records dated back in the late 50s and early 60s sometimes have recorded grooves at down to 56 mm! Taking this into account we have calculated a second set of parameters and printed another template on the backside. There you can also find a strobe to adjust 33 1/3 und 45 rpm with light of 50/100 Hz."



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Topic - Is the era in which a record is produced a critical factor in cartridge alignment? - Plinko 06:14:26 04/20/07 (3)


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