33 RPM records are the largest in size, usually measuring 12 inches in diameter. 78 RPM records are usually 10 inches in diameter..
Similarly one may ask, how big is a 78 record?
78s come in a variety of sizes, the most common being 10 inch (25 cm) and 12 inch (30 cm) diameter, and these were originally sold in either paper or card covers, generally with a circular cutout allowing the record label to be seen.
how do I know what size my record is? Phonograph records are generally described by their diameter in inches (12-inch, 10-inch, 7-inch), the rotational speed in revolutions per minute (rpm) at which they are played (?8 1⁄3, ?16 2⁄3, ?33 1⁄3, 45, 78), and their time capacity, determined by their diameter and speed (LP [long playing], 12-inch disc, ?33 1⁄3
Similarly one may ask, what is the diameter of an LP record?
Columbia Records unveiled the LP at a press conference in the Waldorf Astoria on June 18, 1948, in two formats: 10 inches (25 centimetres) in diameter, matching that of 78 rpm singles, and 12 inches (30 centimetres) in diameter.
What are the 3 sizes of records?
If you are a new comer to vinyl you may wonder what these numbers actually mean. Vinyl records typically come in three speeds: 33, 45 and 78 rotations per minute (RPM).
Related Question Answers
Are 78 records valuable?
Soon there will be no buyers at all. Contrary to many other manufactured products (as a group) the newest and most recent 78 RPM records made in the 1950s and the early 1960s are worth the most and the majority of 78 RPM records made before 1950 have very little or no value at all.What are the rarest 78 rpm records?
Chasing The World's Rarest 78 RPM Records - Hear a few notable recordings from the 78 RPM era, as picked by guests Amanda Petrusich & Chris King:
- Geeshie Wiley, "Last Kind Word Blues"
- Willie Brown, "Future Blues"
- Skip James, "Devil Got My Woman"
- Blind Uncle Gaspard, "Sur Le Borde de L'eau"
- Sylvester Weaver, "Guitar Rag"
- Alexis Zoumbas, "Tzamara Arvanitiko"
How much do 78 records sell for?
Tefteller said in a phone interview. He said that on average a rare jazz 78 might sell for $1,500 to $5,000, whereas sales for a comparable blues record would start at $5,000.How common are 78 rpm records?
Nearly all of the records you can buy is one of three common speeds: 33, 48 and 78 rotations per minute, otherwise listed as RPMs.When did they stop making 78 records?
1960
Can you play 78 records on a modern turntable?
Answer: Yes, Audio-Technica's popular AT-LP120-USB and AT-LP1240-USB turntables will allow the platter to play at the 78 RPM speed. But the correct speed is only part of the solution – a proper 78 RPM stylus should also be used when playing 78 RPM records on your turntable.What happens if you play a 45 record at 33?
If you play the record at 45 instead of at 33, that puts the frequencies recorded on the record 45/33 times as high, which means that as far as the record is concerned the effect of the stylus is what it would be if the resonance were at 13KHz while you played it at 33.What does a 78 record look like?
If you look at it wrong and it shatters, it's a 78. 78s (they're not LPs, they play the same length of time as a 45) usually have a 3 inch label, or sometimes a smidge larger. 45s will usually have a 3 5/8 inch label unless it's a 12 inch record, in which case the label will be 4 inches like an LP.What does LP mean?
Long Play
How long is an LP?
Over time, LP came to refer to a full-length album, as most releases featured an album's worth of music. Track number and play time can vary somewhat, but is usually somewhere between 30 to 50 minutes and 10 to 12 tracks in total.What are the different sizes of records?
Vinyl records are produced to be played at one of three speeds: 33 1/3 RPM, 45 RPM, and 78 RPM. You will almost never deal with 78 RPM records, so don't worry about that. Most full-size 12-inch records will be 33 1/3 RPM, though some — mainly EPs and maxi-singles — will be at 45 RPM.What size is a 45 record?
The most common form of the vinyl single is the "45" or "7-inch". The names are derived from its play speed, 45 rpm, and the standard diameter, 7 inches. The 7-inch 45 rpm record was released 31 March 1949 by RCA Victor as a smaller, more durable and higher-fidelity replacement for the 78 rpm shellac discs.Can record players play all sizes?
No. All record players don't use the same size vinyl. Basically, there are three different-sized vinyl records you will find on the market. These vinyl records rotate on the turntable at different speeds which are measured in revolutions per minute (RPM).What is a 12 inch LP?
The twelve-inch single (often simply called a 12-inch or 12″) is a type of gramophone record that has wider groove spacing and shorter playing time compared to LPs. This record type is commonly used in disco and dance music genres, where DJs use them to play in clubs. They are played at either ?33 1⁄3 or 45 rpm .How much did a record cost in 1970?
$4.98 list lps were $3.69, and $5.98 list lps were $4.29.What is a 10 inch record?
10" Records (same size as classic 78's) can be cut at 45 RPM or 33 1/3 RPM (we can cut them at 78 too, but few would be able to listen to them). When cut at 33 1/3 you can hold approximately 12:00 minutes per side. When cut at 45 you can hold approximately 9:00 minutes per side.How does an LP work?
A typical record player has a stylus (similar to the needle in Edison's machine) that bumps up and down in the groove of a vinyl (plastic) disc. When the stylus moves, it pushes the magnet up and down past the coil, generating electrical signals that way.How do you tell if an LP is 33 or 45?
You can usually tell if a record is a 33 RPM or 45 RPM by looking at the label. A 78 will not be made of vinyl. You're not going to run into 78s unless you seek them out, so don't even worry about them. These objects, BTW, whether made of vinyl, shellac, or other plastics, are called records.Why do 45s have big holes?
But there was a more scientific reason for the larger hole. When a new 45 dropped from the spindle onto the turntable, it was required to spin up from a dead stop to 45 RPM very quickly. This torque tended to cause the small holes to go out-of-round very quickly, causing record to wobble as it spun. 
