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Author: Subject: Oud Seventh Course?
jdowning
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[*] posted on 9-8-2014 at 11:49 AM


The Pyramid wound string has been replaced by a Pyramid PVF (carbon) monofilament string, 0.63 mm diameter tuned an octave higher than the braided string. Tension about 2.5 Kg equal to that of the braided string.

For information and comparison, the attached audio file is with all other 6 courses damped with a strip of cloth so that they do not influence the result. First the braided string is sounded alone followed by two signals with both braided and octave string sounding together. The strings are struck with the soft thumb tip (not thumb nail or plectrum).

The braided/lead cored string appears to have stabilised with temperature.
Best when sounded open or when stopped no higher than fret#5 (due to inharmonicity causing relative out of tune sharpening of pitch).


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jdowning
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[*] posted on 9-9-2014 at 11:55 AM


The attached audio clip is a short prelude for lute by Georg Leopold Fuhrmann, Nuremberg, 1615 - just to give some idea of how the octave tuned braided 7th course blends with the other strings. Played lute style with soft fingertips.
The 6th course is not used throughout - just the 7th course provides the bass.

Recorded with a Zoom H2 stereo recorder placed on the music stand. Less than perfect but the best that I can manage at the present time. Hope that it at least gives some appreciation of the possibilities with this kind of string design!

[file]32506[/file]
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jdowning
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[*] posted on 9-14-2014 at 11:51 AM


The final test is to have two unison tuned braided/lead cored strings as a 7th course. This provides a richer sound than the octave tuned pair and sounds quite reasonable to my ear.
Unison tuned lute basses would have been the state of string development by the beginning of the 17th C according to Dowland.

For information and comparison the attached audio clip is the braided unison tuned pair sounded twice followed by the Pyramid wound 6th unison pair (two semitones higher in pitch) sounded twice. Note that the Pyramid strings are old so have lost much of the typically 'brassy', metallic overtones of the strings when new (my preference).
As before all other strings are damped and the basses struck with a soft thumb tip - not thumbnail or plectrum.

[file]32529[/file]
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