78 rpm: Difference between revisions

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By 1925, the 78 rpm was becoming a standard for [[gramophone records]]. The exact speed depended on the frequency of the alternating current electricity supply. For countries with 60 Hz it was 78.2608696 rpm, the speed of a 3600 rpm synchronous motor reduced by 46:1 gearing. For countries with 50 Hz it was 77.9220779 rpm, the speed of a 3000 rpm synchronous motor reduced by 77:2 gearing.
[[Category:Music album]]


* http://taniguchi.com.ar/index.html?cont=show78rpm
* [[tango.info 78 rpm]] - Overview of records listed in tango.info, and details about the sources.
* http://www.tango.info/?q=024800027
* [[78 rpm speed]] -  exact speed)
* [[78 rpm tango records]] - some tango specific observations
* [[78 rpm label designs]] - grouping of tango related albums by similarity of label design
* [[78 rpm reeditions]]


Reported at least for outside tango:
* stereophonic recording, with the "left channel" on side A and the "right channel" on side B
* continuous recording, with the beginning of one recording on side A and the end on side B
* multiple items cut into one track (e.g., test tone, vocal introduction)


* two albums with same audio and same album number, but
== Links ==
** different label colors and different performer names: [[Odeon 4109]]
* http://www.schellackplattenexpress.de/
** [[Odeon 5604]] different composition names
* http://www.schellackplattenexpress.de/Label/UntitledFrame-1.htm "Aus welchem Jahr ist meine Platte denn ????????" - listing numbers and years

Latest revision as of 2014-05-08T18:46:27


Reported at least for outside tango:

  • stereophonic recording, with the "left channel" on side A and the "right channel" on side B
  • continuous recording, with the beginning of one recording on side A and the end on side B
  • multiple items cut into one track (e.g., test tone, vocal introduction)

Links