To position the bridge do this measure the distance from the nut to the 12th fret, then double it to get it approximately correct. Then bring a string to pitch and, using a tuner, tune a note with the string open, then fret the string at the 12th fret (will be the same note only an octave higher), then move the bridge towards the headstock if the fretted note is flat and towards the tailpiece if it is sharp. Mandolins have a scale of 13 7/8 inches to 14 inches. Mandolas are a couple inches longer.
There are two things to aim at in life: first, to get what you want; and, after that, to enjoy it. Only the wisest of mankind achieve the second. Logan Pearsall Smith, 1865 - 1946
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