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When did the 45 rpm record come out?Read more:When_did_the_45_rpm_record_come_out
If you are talking about 45 rpm records, 'singles', the plastic insert was called an adapter, or a spindle adapter. They allowed you to play 45's without the awkward 45 spindle you would otherwise have to insert.
A Vinyl disc (record) that spins at 45 revolutions per minute
A '45' is an old record played at 45 rpm, the A side and B side were the same shape and size, a circle.
I've seen it called a 45 RPM Adapter.
No; it was an album track only.
The 45 rpm record was followed by the , which in turn was followed by the eight-track tape player.
No; it was only ever an album track.
The "45" was a small vinyl phonograph record designed to be played at 45 RPM (revolutions per minute) compared to the LP speed of 33 RPM. The smaller size and faster speed meant that each side of the record usually contained just one song (a single) of from 3 to 12 minutes in length.(see related link)
Walt Disney Records
45 rpm
In the middle 1950s the cost of a record album ranged from $2.98 to $3.98