Color selecting apparatus for cathode-ray tube

A color selecting apparatus for a cathode-ray tube including a frame, and a mask supported in the frame with tension along a minor axis, where the mask having a rectangular hole part formed with a plurality of electron beam-passing apertures, a non-hole part surrounding the hole part, and a pair of vibration attenuating members attached at both ends of the surface of the non-hole part, facing each other along a major axis, for attenuating vibration waves which transmit along the major axis. The vibration attenuating members are made of a metal having a greater mass than the non-hole part, and attached by spot-welding so that they are away from the non-hole part by a predetermined gap at every portion except the welding points. Therefore, the vibration attenuating members serve as a damper to attenuate vibrations which transmit in the major direction, particularly vibrations generated by the speakers.