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Frequently Asked Questions

Records - page 3

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Are all vinyl records the same quality?

No. The sound quality and durability of vinyl records is highly dependent on the quality of the vinyl used - its thickness and vinyl purity.

During the early 1970s, as a cost-cutting move, much of the industry reduced the thickness and quality of vinyl used. Since most vinyl records are from recycled plastic, it can lead to impurities in the record, causing a brand new album to have audio artefacts like clicks and pops. The thickness of the vinyl also can affect the quality of the music. Our transfer process can reduce the clicks and pops along with other problems.

Virgin vinyl means that the album is not from recycled plastic, and thus, will not have the impurities of recycled plastic. New "virgin" or "heavy" vinyl is commonly used for classical music reported to have a better sound than normal vinyl. These albums tend to withstand the deformation caused by normal play better than regular vinyl.

What are the different record formats?

The following are the most common record formats:

12" 30 cm  33⅓ rpm long-playing LP format
12" 30 cm  45 rpm extended-playing single, Maxi Single and EP format
10" 25 cm  45 rpm extended-playing EP format
7" 17.5 cm  45 rpm single format
12" 30 cm  78 rpm single format
10" 25 cm  78 rpm single format

 
The inch designations are not accurate indications of the diameter. In USA made records, the actual dimension of a 12 inch record is 302 mm (11.89 in), for a 10 inch it is 250 mm (9.84 in), and for a 7 inch it is 175 mm (6.89 in. Records made in other countries are standardized by different organizations, but are similar in size. The record diameters are typically 300 mm, 250 mm and 175 mm in most countries.

How do the different formats compare?
The typical duration of a vinyl album is about 15 to 25 minutes per side, except classical music which can extend to over 30 minutes on a side. Generally, a noticeable increase in hiss is caused in the original recording when a side exceeds approximately 22 minutes of music. Our transfer process can reduce hiss along with other problems.

   Format Typical length
 78 rpm record about 3.5 minutes per side
 45 rpm record (single) about 4 minutes per side
 45 rpm record (EP) about 6 minutes per side
 33⅓ rpm record up to 30 minutes per side
 Audio cassette up to 45 minutes per side
 Compact Disc average 70 minutes recordable
 MP3 player about 15 hours per GB of storage capacity

 
Although the term EP was commonly used to describe a 7" single with more than two tracks, technically they were not different from a normal 7" single. The term EP has also been used for 10" 45 rpm records, typically containing a reduced number of tracks.

Some information on this page is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article Gramophone Record.

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