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Old 10-22-2009, 03:35 PM
Me&MyGuitar Me&MyGuitar is offline
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Join Date: Feb 2009
Location: Italy
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Here it is what Martin Customer Service sent me about changing pins:


Method:
Each material was tested on the same HD-28V (Mule C). The guitar was recorded and evaluated by using Spectrafoo completed spectrum analyzer software and by listening to each recording back to back. The pins were rated on three characteristics: brilliance, sustain, and definition of notes.

Brilliance: This refers to the brightness of the overall sound. Each material is given 1 – 5 star rating. 5 stars indicate the brightest materials. The scale range is based on the materials in this test only. The rating was based on objective results observed on a spectragraph and subjective listening.

Sustain: The sustain of each individual string was measured. The total time is took to record all six strings is the time that is indicated in the sustain block for each material.

Definition: A G Major chord was strummed consistently for 60 seconds. Each material was rated on how easy or difficult it was to detect the separation of each note and its corresponding harmonic overtones. Each material is given 1 – 5 star rating. 5 stars indicate the best distinction among notes. The scale range is based on the materials in this test only. The rating was based on observations from a spectragram and subjective listening.
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