NetNews Usenet Archive 1992 #27/NN_1992_27.iso/spool/alt/guitar/9941

Text File | 1992-11-17 | 1.9 KB | 36 lines

Newsgroups: alt.guitar
Path: sparky!uunet!wupost!gumby!yale!yale.edu!spool.mu.edu!sgiblab!munnari.oz.au!bruce.cs.monash.edu.au!monu6!ctl-g15-23.cc.monash.edu.au!11439106
From: [e-mail] (SHAWN FOO)
Subject: Re: Bridge adjustments
Message-ID: <[e-mail]>
Lines: 24
Sender: [e-mail] (Usenet system)
Organization: Faculty of Engineering, Monash University
References: <[e-mail]> <[e-mail]>
Date: Tue, 17 Nov 1992 01:42:54 GMT

>Intonation can be a little tough to define, but operationally, it
>means that each string is as accurately as possible divided into
>two octaves at the 12th fret ... and the other fret demarcations or
>parsings into tones then are as accurate as possible given a fixed
>fret scale .... Anyone with more wisdom on this and/or a clearer
>definition, please help out with a followup post!

    When you fret a note at any fret, you have to push down on the
strings, right? This sounds painfully obvious, but this leads onto greater
things... :)
    When you push on the string, you are actually stretching it a bit,
and so the note you've fretted may just go a bit out of tune.... However,
if the string is in tune, the harmonics should never be out of tune.... So
comparing the fretted note with the harmonics allows you to get your fretted
notes in as tune as possible(?!!!).... Note that each fretted note won't be
perfectly in tune but they'll be very very very very close!! Note also that
not every string stretches by the same anmount which is why each string has
a different intonation setting.....
    Also, you should get the intonation adjusted if you change your
gauge of strings or if you use a different tuning like down half a step or
open tuning.... also, the intonation tends to go out when your strings get
old...........

    S.P. Foo