A 45 rpm adapter (also 45 rpm record insert, or 45 rpm spindle adapter) is a small plastic or metal insert that goes in the middle of a 45-rpm record so it will play on a turntable. The adapter could be a small solid circle that fits onto the bottom of the spindle (meaning only one 45 could be played at a time) or a larger adapter that fits over the entire spindle, permitting a stack of 45s to be played.
The former RCA Corporation introduced a snap-in plastic insert known as a spider to make 45 rpm records compatible with the smaller spindle size of a 33? rpm LP record player. Commissioned by RCA president David Sarnoff and invented by Thomas Hutchison, spiders were prevalent in the 1960s and sold tens of millions per year.
$ 5.95
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1 of 1 people found the following review helpful
 Glow in the dark,
Verified Purchase(What’s this?)
This review is from: (10 Pack) TEN Glow in the Dark / Glowing Plastic 45 RPM 7 Inch Vinyl Record Adaptor – 7″ Inserts
Love them…Never seen glow in the dark before but sure enjoy them.Will likely get more later when I need them
0 RED!,
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This review is from: (20 Pack) TWENTY Red Plastic 45 RPM 7 Inch Vinyl Record Adaptor – 7″ Inserts (Electronics)
I think I will order the rest of the colors just to have the variety and so that the spacers match the records! they work!
0 Can play my old 45s,
Verified Purchase(What’s this?)
This review is from: (10 Pack) TEN Yellow Plastic 45 RPM 7 Inch Vinyl Record Adaptor – 7″ Inserts
So much fun being able to play my old 45s again. The best thing was asking my kids, "do you know what these are?" and they had no idea. Funny how such a simple thing from the not so long ago past being needed again.
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