Because only identical things vibrate identically, a given audio reproduction system is accurate only to the degree that its record configuration is identical to its playback configuration.
In Edison's original phonograph, a cone with a needle fixed at its apex served as a microphone during recording and as speaker during playback. I propose to market a technology that will similarly incorporate identical configurations for both modalities.
It is also possible in some respects to enhance the accuracy of traditional, pre-existing reproduction technologies such as vinyl and magnetic tape.
Recording in studios utilizes microphones which normally consist of a single element whereas most loudspeakers consist of two or more elements of different sizes with electronics to divide the signal between them called a 'crossover network.' By using speakers with a single size of element such as BOSE 901's and some Audience-brand models, you enhance the degree to which your playback configuration will resonate identically to the way the recording configuration resonated in the studio.
It could be effective likewise to route your playback signal through a studio mixing board, again, to enhance the similarity to the record configuration. If that is not convenient I recommend an all-analog graphic equalizer as a rough substitute.
Since studio recording in the analog era was done on magnetic tape and only later transferred to vinyl, accuracy may be enhanced by transferring your vinyl recordings to tape for final playback.
Because vinyl record 'cutting' systems, which engrave the master disc that is used to stamp the final copies, operate with a linear-tracking system instead of a pivoting tonearm, turntables of the linear-tracking type will also to some degree enhance the identity of your system with the system by which a given recording was produced.
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