UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Why were the RPM speeds of records chosen

avocollector · 26th Nov 2014, 10:27 am

I would guess at those being the lowest speeds at which acceptable frequency reproduction (at the time) could be achieved for realistic sales. However it's just a guess!

Don't forget there was also 16rpm for talking book records and similar.

26th Nov 2014, 10:27 am	#3
avocollector Heptode Join Date: Jul 2010 Location: Wellington, New Zealand. Posts: 653	Re: Why were the rpm speeds of records chosen I would guess at those being the lowest speeds at which acceptable frequency reproduction (at the time) could be achieved for realistic sales. However it's just a guess! Don't forget there was also 16rpm for talking book records and similar.