Vinyl Record Terms Explained: A Beginner’s Glossary

Vinyl record terminology can make collecting feel more complicated than it needs to be. What is the difference between an LP and an EP? Does 180g vinyl sound better? How can you tell a first pressing from a reissue—and what do grades such as NM and VG+ actually mean?

This beginner-friendly vinyl glossary explains the terms you are most likely to encounter when shopping for records, researching a pressing or building a collection. Use it whenever a product description, record label or collector starts speaking a language you do not quite recognise.

Quick answer: the most common vinyl record terms

• LP: A full-length record, usually played at 33⅓ RPM.
• EP: A shorter release containing more music than a typical single.
• Pressing: A particular production run or manufactured edition of a record.
• Reissue: A later release of an existing album or recording.
• 180g vinyl: A record weighing approximately 180 grams.
• Matrix or runout number: Markings in the dead wax used to identify a particular pressing.
• VG+: A commonly used condition grade meaning Very Good Plus.

The details matter because two copies of the same album can have different mastering, packaging, sound, scarcity and value.

Vinyl formats, sizes and speeds

LP

LP means Long Play. It usually refers to a full-length album pressed on a 12-inch record and played at 33⅓ revolutions per minute, or RPM.

An LP often contains approximately 35–50 minutes of music, although there is no fixed track count or running time. Some longer albums require two or more records to avoid squeezing too much music onto each side.

EP

EP means Extended Play. It is longer than a conventional single but shorter than a full album. An EP often contains four to six tracks, although its total running time and the way the artist or label markets it are more important than the exact number of songs.

Single

A single is a short release built around one main song. Traditional vinyl singles often have an A-side containing the featured track and a B-side containing another song, remix or alternative version.

Many singles are pressed on 7-inch vinyl at 45 RPM, but 10-inch and 12-inch singles also exist.

7-inch, 10-inch and 12-inch

These measurements describe the diameter of the record:

• 7-inch: Commonly used for singles.
• 10-inch: Less common and sometimes used for EPs, special editions and older recordings.
• 12-inch: The standard size for most LPs and many dance or extended-play singles.

The size does not automatically tell you the speed or how much music the record contains, so always check the release details.

33⅓, 45 and 78 RPM

RPM means revolutions per minute—the speed at which the turntable rotates the record.

• 33⅓ RPM: Used for most modern LPs.
• 45 RPM: Common for singles, EPs and some audiophile albums.
• 78 RPM: Associated mainly with much older shellac records rather than modern vinyl.

Playing a record at the wrong speed will make the music sound too fast, too slow or dramatically change its pitch.

Pressings, represses and reissues

Pressing

A pressing is a specific manufactured edition or production run of a record. The same album may have separate Australian, European, American and Japanese pressings, as well as several production runs within each country.

Pressings can differ in their mastering, pressing plant, label design, catalogue number, packaging, vinyl colour and runout markings.

First pressing

A first pressing is part of the earliest manufacturing run of a particular release. It does not simply mean that the album was originally released in the same year shown on the sleeve.

There may also be separate first pressings for different countries. For example, a first Australian pressing may not be the earliest version manufactured anywhere in the world, but it can still be the first Australian edition.

First pressings can be historically significant and highly collectable, but they are not automatically rare, valuable or better sounding. Identification usually requires matching the catalogue number, labels, sleeve and matrix or runout markings.

For a detailed process, read our guide to identifying a first pressing.

Repress

A repress is another manufacturing run of an existing release. It may use the same mastering and broadly the same artwork as an earlier pressing, although small details can change between production runs.

A repress is not necessarily a newly redesigned or remastered edition. Sometimes it simply means that demand required the label to manufacture more copies.

Reissue

A reissue is a later edition of a previously released recording. It may appear years or decades after the original and can include new mastering, different artwork, bonus tracks, coloured vinyl or updated packaging.

Reissues are often an affordable way to own an album that is scarce or expensive in its original form. Some reissues also sound better than particular original pressings, so “original” does not always mean “best”.

Remastered

A remaster is created when the existing recording is processed again to prepare a new master for release. Engineers may adjust equalisation, volume, dynamics, noise or other characteristics.

Remastering can be completed in the analogue or digital domain. The word “remastered” alone does not guarantee better sound—the source material, engineer, cutting process and pressing quality all matter.

Half-speed mastered

With half-speed mastering, the source and cutting lathe run at half their normal speed while the lacquer is cut. This can allow the cutting equipment to handle some high-frequency information with greater precision.

It is a mastering method rather than a guarantee of superior sound. The quality of the source and the engineer’s decisions remain important.

Audiophile pressing

An audiophile pressing is marketed towards listeners seeking high-quality sound. It may use carefully selected source material, specialist mastering, heavier vinyl, slower cutting speeds or a premium pressing plant.

Because “audiophile” is also a marketing term, research the exact edition rather than relying on the label alone.

Vinyl weight, colour and special editions

180g vinyl

180g means the record weighs approximately 180 grams. Heavier vinyl can feel more substantial and may be more resistant to some forms of physical flexing, but weight alone does not determine sound quality.

A well-mastered standard-weight record can sound better than a poorly mastered 180g pressing. The source, mastering, lacquer cut, manufacturing and condition have a much greater effect on playback.

Coloured vinyl

Coloured vinyl uses pigments to create colours or patterns such as clear, red, blue, marbled, splatter or picture-disc designs.

Modern coloured vinyl can sound excellent. Its sound quality depends more on the pressing and mastering than on whether the record is black or coloured. Some complex effects can introduce more variation, but colour by itself is not a reliable guide to quality.

Picture disc

A picture disc contains printed artwork visible through clear outer vinyl layers. Picture discs are popular as collectables and display pieces, although their construction can sometimes produce more background noise than a conventional pressing.

Limited edition

A limited edition is produced in a restricted quantity or for a particular event, retailer or market. However, the term does not always reveal how many copies exist.

If scarcity matters to you, look for a stated production quantity rather than assuming every release labelled “limited” will become rare.

Numbered edition

A numbered edition has an individual number printed, stamped or handwritten on the packaging—for example, “1,245 of 5,000”. Numbering identifies the copy within the edition but does not necessarily indicate the order in which individual records were pressed.

How to identify a particular vinyl pressing

Catalogue number

A catalogue number is assigned by the record label to identify a release. It can appear on the spine, back cover, labels, inner sleeve and sometimes in the runout area.

Catalogue numbers are useful, but one number may be shared by several similar editions. Use it together with the barcode, country, label design and runout markings.

Barcode

A barcode or UPC/EAN is a retail identifier printed on the packaging. It can help distinguish different editions, but it should not be used alone because some reissues reuse earlier artwork or barcodes.

An album originally released before barcodes became common may have a barcode on a later edition. However, sleeves and records can also be mismatched, so inspect the complete copy.

Matrix number

A matrix number is a code found in the runout area near the centre label. It can identify the master, lacquer cut, side and sometimes the pressing plant or production sequence.

Collectors use matrix numbers to distinguish editions that otherwise look almost identical. Their meaning varies between labels and pressing plants, so lower numbers do not universally prove that a copy is a first pressing.

Runout or dead wax

The runout, often called the dead wax, is the smooth area between the final track and the centre label. It can contain stamped or hand-etched information including:

• Matrix numbers
• Lacquer-cut identifiers
• Pressing-plant marks
• Mastering-engineer initials or signatures
• Small symbols, messages or quality-control markings

When researching a record, copy these markings carefully and preserve spaces, dashes and symbols where possible.

Label variation

A label variation is a difference in the centre-label design between editions. Changes may include logos, colours, fonts, copyright wording, addresses, publishing credits or the position of text.

For some collectable albums, a small label difference is one of the strongest clues separating an early pressing from a later version.

Country of manufacture

The country shown in a listing normally refers to where that particular edition was manufactured or released, not necessarily where the artist is from.

Different countries may use separate mastering, pressing plants, labels and packaging. That means an Australian pressing and a UK pressing of the same album can be genuinely different editions.

Sound and recording terminology

Mono

Mono, short for monophonic, combines the recording into one audio channel. Both speakers normally reproduce the same core signal.

Many albums from the 1950s and 1960s had dedicated mono mixes that differ from their stereo versions. A mono copy is not necessarily inferior or simply stereo folded into one channel.

Stereo

Stereo, short for stereophonic, uses separate left and right channels to create width and spatial placement.

Most modern albums are mixed and released in stereo, but collectors of older music may seek either the mono or stereo mix depending on the album.

Mastering

Mastering is the final stage of preparing recorded audio for release. For vinyl, the mastering and cutting process must account for the format’s physical limitations, including playing time, bass information and groove spacing.

Two vinyl editions sourced from the same recording can sound different because they were mastered or cut by different engineers.

Lacquer cut

A lacquer cut is the disc cut by a mastering engineer from which the metal parts used to manufacture records are created. Different lacquer cuts of the same album can have different sound and runout markings.

Test pressing

A test pressing is produced in a small quantity before full manufacturing begins. It allows the label, artist or pressing plant to check the cut and manufacturing quality.

Test pressings often have plain labels and minimal packaging. They can be collectable, but authenticity and provenance are important because their appearance can be easy to imitate.

Vinyl packaging terms

Gatefold sleeve

A gatefold sleeve opens like a book. It can hold one or more records and provides additional space for artwork, lyrics, photographs or liner notes.

Inner sleeve

The inner sleeve sits between the record and the outer cover. It may be plain, anti-static or printed with lyrics and artwork.

For collectable editions, the correct original inner sleeve can affect completeness and value.

Insert

An insert is a separate item included with the record, such as a lyric sheet, poster, booklet, download card or merchandise order form.

Obi strip

An obi strip is a paper band commonly found around the outside of Japanese record sleeves. It usually contains Japanese pricing, catalogue or promotional information.

Original obi strips are often important to collectors because they were easily discarded or damaged.

Box set

A box set contains multiple records or related items in an outer box. It may collect several albums, present an expanded edition or include books, posters and other material.

Vinyl grading and condition

Vinyl grading describes the condition of the record and its packaging. Although grading is based on recognised conventions, it still involves human judgement.

• Mint (M): Perfect or effectively flawless. This grade should be used very sparingly.
• Near Mint (NM): Almost perfect, with little or no visible evidence of use.
• Very Good Plus (VG+): Light signs of use that should not significantly overpower the listening experience.
• Very Good (VG): Noticeable wear and surface noise, but still playable and enjoyable.
• Good or Good Plus (G/G+): Considerable wear, noise or cosmetic damage, although the record should remain playable.
• Fair or Poor (F/P): Serious defects that may make the record unsuitable for normal listening.

The vinyl and cover should be graded separately because a clean record can be housed in a damaged sleeve, or vice versa. Read our complete vinyl record grading guide for more detail.

Sealed

Sealed means the packaging has not been opened. It describes the packaging status rather than guaranteeing that the vinyl inside is flawless.

A sealed record can still contain a manufacturing defect, warp or sleeve damage that cannot be inspected without opening it.

Bootlegs, counterfeits and unofficial releases

Bootleg

A bootleg is an unauthorised release, often containing live recordings, demos, broadcasts or other material that was not officially issued by the rights holder.

Counterfeit

A counterfeit attempts to imitate an existing official release and may be designed to appear genuine. This differs from a typical bootleg, which usually presents unofficial material as a separate release.

Unofficial release

Unofficial release is a broad description for records manufactured or distributed without authorisation from the relevant artist, label or rights holder.

Quality can vary substantially, and unofficial copies can create legal and ethical issues. Research the release carefully if its origin is unclear.

Record Store Day

Record Store Day, often shortened to RSD, is an international event supporting independent record stores. Participating labels release exclusive, limited or early editions through eligible retailers.

An RSD release is not automatically valuable, but quantities, demand and future availability can affect collectability.

Frequently asked questions about vinyl terminology

Does 180g vinyl sound better?

Not automatically. Vinyl weight affects the physical record, while sound quality depends more heavily on the recording source, mastering, lacquer cut, pressing quality, playback equipment and condition.

Is a first pressing always the most valuable edition?

No. Value also depends on scarcity, demand, condition, completeness, mastering and historical importance. Some later limited editions and audiophile reissues are more valuable than common first pressings.

Is an original pressing the same as a first pressing?

Not necessarily. “Original pressing” is sometimes used broadly for an edition released around the album’s original period. “First pressing” more specifically refers to the earliest manufacturing run of a particular release.

How do I identify the exact version of a record?

Start with the catalogue number and barcode, then check the country, label design, sleeve details and complete matrix or runout markings. Do not rely on the cover or release year alone.

What is the difference between an album and an LP?

An album describes a collection of music, while LP describes a physical record format. Most vinyl albums are LPs, but an album can also be released digitally, on CD or across several vinyl records.

Does coloured vinyl sound worse than black vinyl?

Not as a general rule. Modern coloured vinyl can sound excellent. The mastering, manufacturing quality and condition are normally more important than the colour.

Start exploring vinyl with confidence

Understanding vinyl record terminology makes it easier to compare editions, interpret product descriptions and choose the record that best suits your collection. You do not need the rarest or earliest pressing to enjoy an album—the right copy is the one that matches your priorities for sound, condition, packaging and price.

Heathen Records is an independent Australian record store based in the Blue Mountains. You can browse our vinyl collection or explore more practical collecting advice in our For Vinyl Lovers guides.