OCR Text |
Show ! Output Filter Provides Path for Direct Current An output filter is a device which provides an auxiliary path for the direct current to the power tube, whieh prevents it flowing In the windings of the speaker. It is so designed that the alteration or speech current goes through the speaker, where it is wanted. An output transformer trans-former performs the same function. The object is to prevent burning out the speaker winding and, what is more important, to eliminate this constant strain which impairs the j quality and possible output of some types of speakers. |