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Re: Pardon the dumb question but what does a DBX expander do?

dBx compresses the music in a process termed 'companding', or compression and expansion of the processed signal (music.) The process causes the noise and tape hiss to become 'masked-out', probably like a subnet-mask does with an IP address. The noise goes when the signal is expanded. Therefore.. an improvement in the signal to noise ratio. In other words, on a dBx LP.. it's very good practice to lower the volume before lowering the stylus, especially on dBx recordings, saves the speakers! dBx LP's are a good treat with a stand alone dBx decoder.


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