Update your Puffin with the new V1.30 firmware:
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No calibration is necessary. This video shows how to use the Puffin's Azimuth test functionality with several popular test LPs:
1) Ortofon Test LP
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2) The Ultimate Analog Test LP
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3) Tacet's Vinyl:Check
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4) CBS Stereophonic Frequency Test Record STR-100
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Cart in this demonstration is the Audio-Technica AT-VM95ML:
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I use the adjustable Jelco HS-25 Headshell:
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Bubble levels:
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These are 0.5 gram each. I sort out the good ones on a levelled surface (with a trusted level). Be sure to redo your VTA to compensate for the extra weight.
Probably do the fine azimuth adjustment as the last part of cartridge setup, with anti-skating and VTA first. Sometimes you need to first do a quick cart setup and the you go back and fine tune it.
Here's a great detailed overview of why we adjust azimuth:
Azimuth Alignment for phono cartridges ~ Part 1 ~ Peter Ledermann of Soundsmith
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Azimuth Cartridge Alignment ~ Part 2 ~ Peter Ledermann of Soundsmith
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