C4v54 mic2 (cont)

String Scale: The diameter of the Paulello/Stuart wire is .25mm thicker, the tensile strength of the Paulello/Stuart wire is 177 N/mm² higher, the Paulello/Stuart is 1.5mm longer, and is set at 3.5kg higher tension. The yield or capacity of the Roslau/Steinway wire is 3.6% higher than Paulello/Stuart.

C3v81 MW mic3

Soundboard vibrations:

The Stuart soundboard vibrated larger amplitudes of the Fnd.. 2nd, 6th and 9th harmonic partials, and the Steinway soundboard vibrated larger amplitudes of the 3rd, 4th, 6th, 7th, 8th and 12th partials. Overall the Stuart soundboard resonated at 19% greater magnitude than the Steinway soundboard for C3v81.

Instrument Volume Mic 7: STU 98 dB, STE 97 dB

String Scale: For the note C3, the diameter of the Paulello/Stuart wire is 25mm thicker, the tensile strength of the Paulello/Stuart wire is 177 N/mm² higher, the Paulello/Stuart is 1.5mm longer, and is set at 3.5kg higher tension. The yield or capacity of the Roslau/Steinway wire is 3.6% higher than Paulello/Stuart.

C2v20 MW mic7

Soundboard vibrations: Both Stuart and Steinway resonated vibrations of the same magnitude of the fundamental frequency. The Stuart soundboard vibrated larger amplitudes of the 2nd;3r;4th;5th;6th& 7th partial frequencies. Overall, the Stuart soundboard vibrations were 52% larger in amplitude than Steinway’s.

Instrument Volume Mic 7: STU 81 dB, STE 82 dB

String Scale: For the note C2, the diameter of the Paulello/Stuart core wire is .125mm thicker, the cover wire is .47mm thicker and Stainless Steel, the tensile strength of the Paulello/Stuart wire is 481 N/mm² higher, the Paulello/Stuart is 235mm longer, and is set at 65.3kg higher tension. The yield or capacity of the Paulello/Stuart. wire is 46% higher than the Steinway/Roslau wire.

Other Stuart piano sounds – with slower fundamental frequency decay, previously presented in this chapter: