At 45 rpm they hold around 4 6 minutes per side.
7 inch vinyl time per side.
When a record is cut they can make the grooves tighter to cram more music onto a disc so it can vary.
A 7 inch 45 rpm record can fit approximately 5 minutes per side for a total of 10 minutes.
45 rpm is the most common speed for 7 inch records.
At the time the lp was introduced nearly all phonograph records for home use were made of an abrasive and therefore noisy shellac compound employed a much larger groove and played at approximately 78 revolutions per minute rpm limiting the playing time of a 12 inch diameter record to less than five minutes per side.
A vinyl lp can hold over 40 minutes of music a side.
But the sound quality isn t good at all.
These numbers are not set in stone just a suggested maximum.
Perfectly pressed 7 inch singles on 45 or 70 gram vinyl 7 inch records also called 45s are referred to by their playback speed of 45 rpm and their standard diameter of 7 inches.
When cut at 33 1 3 you can hold approximately 6 00 minutes per side.
So to make a great sounding record i have to be concerned about the playing time and how the music itself sets the parameters for sound quality.
7 records often referred to as 45 s can be cut at 45 rpm or 33 1 3 rpm.
When cut at 45 you can hold approximately 4 30 minutes per side.
Vinyl records share the same limitation and can represent a limited playtime accurately.
Considerations skepticism from audiophiles about compact discs which became the defining format during the 1980s has always ensured at least a niche market for vinyl.
If you have a 5 minute side you want cut on a 7 you can cut it at either 33 or 45.
On a 10 inch record you can fit around 9 12 minutes per side at 45 rpm or 12 15 minutes per side at 33 rpm.
Record labels reserved the 7 inch format for singles which promoted one song per side while eps became less common.
Going over these suggestions can result in a loss of sound quality.
You ll notice that even though the level for such a length at 45 is less than normal for a 45 it is still louder than cutting it at 33 without distorting.
A ten inch seventy eight rpm record will.
I ve got a couple of uk 7 singles erasure s breath of life and 808 state s timebomb which have two full tracks on the b side and exceed 8 minutes but as you might expect they re cut very low and surface noise is quite noticeable.
But typically a seven inch forty five rpm record will have three to five minutes of music per side.
A standard 12 inch 33 rpm vinyl record can have a playtime of roughly 22 minutes per side for a total of 44 minutes.
7 at 33 rpm max time at 6db 9 1 2 mins.
