Scott ferguson 934 views.
Standard vinyl record spindle hole size.
Nonetheless the public allowed itself to be duped and in 1951 columbia began making 45s too.
Vinyl records repair.
Thus we ended with one speed and spindle size for popular songs and another for symphonies.
Heart stairway to heaven led zeppelin.
We have details on sizes speeds and best way to convert.
The desirable tip radius of the reproducing stylus for stereophonic disc records is 0 5 mils.
For the first fifty years of the turntable s existence the spindle on which you placed the record was a standard size.
The above information is provided to assist collectors and enthusiasts to resolve off centre vinyl lp issues.
A 45 rpm adapter also 45 rpm record insert 45 rpm spindle adapter or 7 inch adapter the common size of 45 rpm records is a small plastic or metal insert that goes in the middle of a 45 rpm record so it can be played on the standard size spindle of a turntable the adapter could be a small solid circle that fits onto the spindle meaning only one 45 could be played at a time or a larger.
In reality of course the speed didn t make any difference.
A 7 inch record was simply more convenient for single tunes than a 12 inch one.
Lp spindle hole corrector tool for 33rpm records corrects undersized lp record spindle holes.
All records came off the press with the standard sized spindle hole.
The reproducing stylus motion shall be tangent to or lie in a plane which passes through the record center and which is inclined at a nominal angle of 15 degrees clockwise to a normal to the record at the stylus tip as viewed from the record c.
That was also the size of the hole drilled into.
If a modern 7 inch record is supposed to have the large 45 rpm spindle hole or an optional push out center this is automatically punched into the record as it comes out of the press.
If you haven t run into an lp with an undersized center hole you will and it of course will be when you are entertaining others and you will end up flexing your lp dramatically to try to get it back off of that spindle.
