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Protractor NG
Protractor NG

The new Dr. Feickert Alignment Protractor NG (Next Generation) is a precision device that enables you to adjust cartridges and tonearms with an effective length from 8,6 up to 17,7 inches for correct overhang and offset.

The calculation of parameters are carefully carried out according Lofgren, Baerwald and Stevenson equations aiming at reduction of the overall RMS distortion level caused by deviations from the perfect linear tracking position of your cartridge.

The general geometrical correlation of a tracking device based on a fixed pivot point are well known since the fundamental publications of Baerwald and Lofgren back in the first half of the 20th century. The conclusion of both papers was that such a tracking device must have an angular offset with a defined overhang. The offset and the overhang vary with the effective length of the tonearm itself.

While tracking the record the stylus is exactly tangential to the groove at two points, these are known as the Null points. The Protractor NG allows the user to precisely align the stylus in the groove at these two points and to set the stylus overhang corresponding to the effective arm length.
Features of the Dr. Feickert Protractor NG:
  • The measuring scale and pointer allow you to set the correct spindle to pivot distance for your tonearm.
  • If your tonearm is not in the correct position you can still use the Protractor NG to align you cartridge from the actual position you have.
  • Fine parallel markings either side of the Null target points allow precise alignment of the cantilever.
  • Includes Baerwald, Lofgren and Stevenson alignments. Rega users will be familiar with the Stevenson alignment because this is the one they use.
 It may sound complicated but with the Protractor NG it is really very simple.
Manufacturers Website.

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Price: $330.00 (Inc. GST)

Product Code: DRF006
Quantity: Add to Basket
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