Show i many things that cause buzzing in radio sets when buz ilag sounds are heard about the set eel the condition may be due to something being loose there may be a screw loose in the speaker speake r itself which rattles when a sound of a certain pitch Is struck there may be a bit of paper about t the cone which has shaken boos ee there may bi a little button lying somewhere near the speaker there may be 6 a loose lamina in the core ol 01 one of the transformers or chokes in the receiver another source of the buzzing Is striking of the pole pieces ly ivy the armature in tile the loud speaker this occurs when thero them to ie kudlo regeneration on corbala notes these regenerative peak in ID the aepli flea fl catlon tion may occur at ats ari point tn in the scale sea |