Test tone generator - how to set the 'BIAS' on your tape recorder

5-14 - elektor may 1982 test tone generato Certain cassette and reel-to-reel tape decks and recorders are equipped with such an array of meters and switches that some look as though they were intended for aircraft cockpits rather than for home use. Although noise reduction and equalisation circuits are necessary, the factor which contributes more than anything else to the quality of recordings is the correct application of "BIAS". In order to set the "bias" correctly and therefore match recorder to tape, a signal generator, as described in this article is required. Armed with such a generator, readers are able to improve on the quality of recordings and use whatever tape type they wish. how to set the "BIAS" on your tape recorder The existing range of decks and tapes is enormous. In an attempt to get over some of the confusion and conflicting sales literature, manufacturers tend to specify which type of tape will get the best performance out of their decks. This is fine, but no ...