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Topic: Playing your LPs vertically...

25th Aug 2016, 5:21 PM
	ppint. Member since Aug 2012 6397 Points	at least one each of the - 45rpm, 7"-playing - juke boxes in langwith college jcr bar in the university of york, and s. martin's college social club bar, bowerham, lancaster, played records in the vertical: the single tone -arm played either side of the disc as it had a stylus on each side°. - pressure was applied by coiled springs more-or-less in balance plus-or-minus however many grams force the thing tracked at°°, depending on whether it was playing on the one side or the other of the discs. all the a (or b)-sides selected were played through in one direction or t'other, followed by all the b (or a)-sides selected, moving through the cabinetful of records in the direction opposite to that just travelled. - which direction it set off in was determined by the direction towards the first new selection made from where the selector had come to rest at the end of the previous string of all selections, iyswim. new selections made before the previous string was exhausted would be interpolated - which could annoy people who'd paid for and made their choices earlier; but it was a strictly electro-mechanical selecting device. °- i don't recall for certain whether it had two separate cartridges in the arm, but probapossibly not, as it was fairly thin; maybe the two styluses°°° deformed the same piezo-electric crystal from opposite sides °° - presumably variable by the operator servicing the box, but many grammes force - teens or even tens °°° - ok, ok, "styli" or "stylus" (depending upon which declension). . . Edited by ppint. on 19th Sep 2016, 11:31 AM