How long is a 12-inch LP?
Each side of a 12-inch LP could play for about 22 minutes.
How long is a 45 rpm record?
7-inch
7-inch format The names are derived from its play speed, 45 rpm (revolutions per minute) and the standard diameter, 7 inches. The 7-inch 45 rpm record was released March 31, 1949, by RCA Victor as a smaller, more durable and higher-fidelity replacement for the 78 rpm shellac discs.
What rpm is 12 inches?
33 rpm
33 rpm is the most common speed for 12 inch records. Over 22 minutes per side is possible, but may require further adjustments to EQ and/or levels for it all to fit nicely and sound great.
Why are some 12-inch records 45 RPM?
The 12-inch single variation first appeared during the disco era in the 1970s. Generally cut at 45 RPM, they feature wider groove spacing and shorter playing time compared to LPs, which permits a broader dynamic range or louder recording level (among other benefits.
What are the dimensions of an LP?
The LP format remains in use for occasional new releases, though other formats have largely supplanted it. The size of the typical cardboard LP sleeve cover is 12.375 in (31.43 cm) square.
What speed do 12-inch records play at?
33 1/3 rpm
12-inch records are generally employed for long-format “albums” (playing at 33 1/3 rpm) that include several tunes per side, but some of today’s singles are pressed onto 12-inch disks since the extra room on the surface allows the grooves to be further apart, which results in a louder record with a greater dynamic …
How wide is a vinyl record?
You Ask, We Answer: Why Records Are 12 Inches Wide.
Why are some 12-inch Records 45 RPM?
What speed do you play a 12-inch single?
45 rpm
They are played at either 331⁄3 or 45 rpm .
How many inches in diameter is a rpm record?
Our first question: Why are records 12 inches across? Or seven inches? Jim Dawson, co-author of the book, 45 RPM, says it likely all goes back to Emile Berliner, the father of the phonograph record.
What is the size of the label on a 45 rpm?
standard issue 7″ 45s have a label diameter of 3.5″. 12″ 33s/45s have a label diameter of 4″ and generally an extra inch or more of dead space, so we’ll say 5″. 495″/min for the 7″ 45 RPM
How long can a 45 rpm needle hold a 12 inch record?
So a needle bopping along 35% faster would get to the end of a 12″ record 1/1.35, or 74% sooner. If a regular LP can hold, conservatively, 20 minutes per side, then a 45 of the same size would be able to hold 20 min x 74% = 15 minutes (close enough) of music.
Why do we have 45 rpms?
The slower the speed of the groove, the closer the “fingers” are going to be, and the faster the groove, the wider apart they’re going to be. You can see it’s much, much easier to trace around your fingers when they’re wide apart. And that’s why we have 45 RPM albums! Chemguy likes this. Is there any scope to cut stuff at 78rpm? Click to expand…
How long can a 45 rpm LP Hold Music?
If a regular LP can hold, conservatively, 20 minutes per side, then a 45 of the same size would be able to hold 20 min x 74% = 15 minutes (close enough) of music. On four sides, that’s 60 min. vs. 40 min. for two sides of an LP. Very good spoken! But how many minutes is it possible to have on a 45 RPM LP?
https://www.youtube.com/watch?v=hTJAbfx0D_Q