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.
7 inch vinyl time per side.
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.
7 at 33 rpm max time at 6db 9 1 2 mins.
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.
Longest 7 45 i know of is a b side of a bruce springsteen single at about 10 minutes but i m pretty sure that was a dmm cut.
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.
Vinyl records share the same limitation and can represent a limited playtime accurately.
45 rpm is the most common speed for 7 inch records.
When cut at 45 you can hold approximately 4 30 minutes per side.
When cut at 33 1 3 you can hold approximately 6 00 minutes per side.
Record labels reserved the 7 inch format for singles which promoted one song per side while eps became less common.
But typically a seven inch forty five rpm record will have three to five minutes of music per side.
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.
At 45 rpm they hold around 4 6 minutes per side.
A vinyl lp can hold over 40 minutes of music a side.
But the sound quality isn t good at all.
Going over these suggestions can result in a loss of sound quality.
A standard 12 inch 33 rpm vinyl record can have a playtime of roughly 22 minutes per side for a total of 44 minutes.
If you have a 5 minute side you want cut on a 7 you can cut it at either 33 or 45.
When a record is cut they can make the grooves tighter to cram more music onto a disc so it can vary.
Generally speaking on a 7 inch record you can fit around 4 6 minutes per side at 45 rpm the most common speed.
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.
A 7 inch 45 rpm record can fit approximately 5 minutes per side for a total of 10 minutes.
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.
A ten inch seventy eight rpm record will.