Hello All, I have begun to tune both my new Lachenal duets, and discovered a marked difference in the quality of the sound. The older (C 1885) with riveted action, sounds more powerful and strident, wheras tho newer, (C 1903), with standard Lach hook action, sounds good but is more mellow. Both steel reeded. Did Lachenal produce different qualities of reed for different instruments? I assume that the one with riveted action was a superior model?? The reeds in both instruments were in a similar