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In Reply to: RE: Alignment, HiFi Test Record, Mystery Brand Turntable, and Frustration... posted by corgraham on June 25, 2009 at 21:02:49
Hi,As mentioned by John Elison in the thread below, see here for information on how to use a two-point protractor.
http://www.audioasylum.com/audio/vinyl/messages/51464.html
These instructions will work with the Turntablebasics protractor also - you can just ignore the sight-line.
In summary, a two point protractor can be used to set overhang and offset angle of the cartridge at the same time.
Measuring the distance from the collar of the headshell to the stylus tip is not a very reliable method to align a cartridge, as you can't be sure which tonearm is mounted on your turntable.
Also, the Turntablebasics protractor has grids placed at 66mm and 120.9mm from the spindle and for the Technics turntables, the cartridge will generally need to be extended towards the front of the headshell, and skewed slightly clockwise relative to the headshell (when viewed from above) to achieve alignment at 66.0mm and 120.9mm.
Some of the answers to your other questions can be found in the links below:
Part 1
http://www.audioasylum.com/audio/vinyl/messages/62571.html
Part II
http://www.audioasylum.com/audio/vinyl/messages/62570.html
Cartridge alignment has almost no effect on channel balance, and the azimuth would need to be grossly in error to produce a significant effect on channel balance. The same goes for skating force, varying this force will not produce a substantiall change in channel balance.
Usually, channel imbalance is a defect in the cartridge.
Best regards,
BK
PS: I found a picture below to an MCS 6601 on ebay, it looks sililar to the Technocs SL-1900 turntable, but isn't a perfect match.
Edits: 06/26/09 06/27/09Follow Ups:
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