29.950MHZ 29.952MHZ 29.952MHZ AT-49 29.971MHZ 29.97MM-23.93MM-25-5590H-05 29.97MM-23.93MM-25-8810 29.97MM-23.93MM-25-8815 29.97MM-25.4MM-25-5590H-05 29.97MM-25.4MM-25-8810 29.97MM-25.4MM-25-8815