| 摘要 |
<p>Modified reed plates for a diatonic harmonica Richter model(RTM) have phases of approximately 0.5 x 30 degrees on the reed sides of the plates, at each end of the reed plate slot, to which the reeds are riveted or screwed. Phases of approximately 0.5 x 30 degrees are also provided on the sides of the reed plates opposite the reeds and there at the ends of the reed plate slot, at which the reeds freely vibrate.</p> |
