WORLDWIDE REEL-TO-REEL RECORD LABELS, MASTER-TAPE PRODUCERS & DUPLICATORS
2026 COLLECTOR’S A–Z DIRECTORY
The International Reference to Pre-Recorded Open-Reel Audio Sound Tape
OpenReelToReel 2026 World Collector’s Reference
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ABOUT THIS DIRECTORY
The history of commercially recorded reel-to-reel tape involves three quite different types of organisation:
LABEL — L
A record company or imprint that released music commercially on reel-to-reel tape.
DUPLICATOR — D
A company or manufacturing division that physically duplicated prerecorded tapes.
MASTER-TAPE PRODUCER — M
A modern producer supplying audiophile tapes copied from, derived from, or created as master recordings.
RECORDING LABEL / PRODUCER — R
A company making its own recordings and subsequently releasing them on open-reel tape.
A company may belong to more than one category.
Historical duplication arrangements were not always permanent. A label might manufacture tapes itself during one period and contract Ampex, Magtec, Stereotape or another duplicator during another. Therefore the identity of the record label printed on a box does not necessarily identify the company that physically duplicated the tape.
For detailed catalogue development, every entry should ultimately contain:
Company / Label
Country
Type: L / D / M / R
Operating Period
Reel-Tape Period
2-Track / 4-Track
¼-inch / other width
3¾ / 7½ / 15 / 30 ips
NAB / IEC-CCIR
Dolby / DBX / No NR
Duplicator
Duplication Ratio
Master Recorder
Slave Recorder
Tape Formulation
Reel Diameter
Reel Material
Catalogue Prefix
Genres
Notable Artists / Releases
Packaging Characteristics
Country of Manufacture
Collector Rarity
Audiophile Importance
Current Production Status
Website / Archive
Research Notes
| Music On Reel Tape Publishers |
A
2INCH-RECORDS / straight2tape
Country: Switzerland
Type: R / M
Era: Modern
Format: Premium analogue master-tape editions
Recording philosophy: Live performances recorded and mixed in real time using an analogue signal path.
Genres: Jazz, contemporary music and specialist live recordings.
Collector interest: ★★★★☆
2TRACK MASTERS
Type: M / R
Era: Modern
Format: Reel-to-reel master editions made from independent artists’ stereo mixdowns.
Production: Albums are mastered directly to tape using an analogue signal chain.
Genres: Indie rock, alternative country, electronic music, hip-hop and others.
Collector interest: ★★★★☆
2xHD
Country: Canada
Type: M
Era: Modern
Speciality: High-end analogue transfers of historic recordings.
Transfer system: Customised Nagra-T playback system with specialist analogue electronics.
Format: Primarily high-resolution 15 ips audiophile editions.
Collector interest: ★★★★★
A&M RECORDS
Country: USA
Type: L
Era: Golden-age commercial prerecorded tape
Genres: Rock, pop, jazz and contemporary music.
Formats: Commercial 4-track stereo releases are commonly encountered.
Collector interest: ★★★★☆
A-V TAPE LIBRARIES
Country: USA
Type: D
Era: Historical
Speciality: Commercial tape duplication.
Research status: Scarce surviving documentation.
Rarity: ★★★★★
ABC-PARAMOUNT
Country: USA
Type: L / D
Era: 1950s–1960s
Genres: Pop, jazz, soundtrack and easy listening.
Formats: Early stereo reel editions include collectible 2-track and later configurations.
Collector interest: ★★★★☆
ABC RECORDS
Country: USA
Type: L
Era: 1960s–1970s
Genres: Rock, jazz, pop and soul.
Collector interest: ★★★★☆
ABKCO
Country: USA
Type: L
Era: Historical
Association: Major rock catalogue material.
Rarity: ★★★★☆
AC RECORDS
Country: Poland
Type: R / M
Era: Modern
Speciality: Analogue recording using valve and ribbon microphones and analogue electronics.
Collector interest: ★★★★☆
AEOLIAN-SKINNER
Country: USA
Type: L
Speciality: Organ recordings.
Era: Historical
Collector interest: Particularly desirable to pipe-organ and historic hi-fi collectors.
AMBIPHON
Type: D
Era: Historical
Rarity: Very high.
Research status: Further manufacturing documentation required.
AMPEX
Country: USA
Type: D / L
Era: Golden age of prerecorded reel tape
Importance: One of the most important commercial tape duplicators in reel-to-reel history.
Ampex duplicated an enormous range of material for outside record companies and also marketed prerecorded tapes under Ampex-associated branding.
Formats encountered:
• 2-track stereo
• 4-track stereo
• 7½ ips
• 3¾ ips on later commercial products
Collector importance: ★★★★★
Historical importance: ★★★★★
Duplication significance: ★★★★★
Ampex should always be treated separately in a collector database as manufacturer/duplicator and not simply as the underlying musical record label.
ANALOG MASTERING SERVICE
Country: Italy
Type: D / archival service
Era: Modern
Services: Analogue tape duplication, transfer, digitisation and restoration.
Formats handled: Professional formats extending to multitrack studio tape.
Specialist work: Treatment and recovery of deteriorated tapes.
ANALOG TONE FACTORY
Country: USA
Type: R / M
Founded: 2024
Format: ¼-inch, 15 ips, IEC/CCIR reel-to-reel editions.
Philosophy: Analogue recording with audiophile AAA releases.
Genres: Contemporary jazz and related music.
ANALOGUE PRODUCTIONS — ULTRA TAPE
Country: USA
Type: M
Organisation: Acoustic Sounds / Analogue Productions
Era: Modern
Standard format:
• ¼-inch
• 2-track / half-track stereo
• 15 ips
• IEC equalisation
• Real-time duplication
Transfers are sourced from tape derived from the original master and reproduced using specialised Ampex equipment.
Collector interest: ★★★★★
Audiophile importance: ★★★★★
ANALOGY RECORDS
Country: Italy
Type: R / M
Era: Modern
Analogy Records takes an unusual approach in which made-to-order stereo masters can be created directly from the recording/mixdown process rather than operating solely as conventional mass duplication.
Genres:
Jazz
Classical
Pop
Folk
World music
Contemporary music
Collector interest: ★★★★★
ANGEL RECORDS
Country: USA / UK affiliation
Type: L
Parentage: EMI classical repertoire
Era: Golden age
Genres: Classical, opera and orchestral music.
Formats: 2-track and 4-track titles exist.
Collector interest: ★★★★☆
APPLE RECORDS
Country: UK
Type: L
Era: Late 1960s–1970s
Genres: Rock/pop.
Collector significance: Particularly desirable due to Beatles-related and associated catalogue material.
Rarity: ★★★★★ for selected titles.
ARCHIV PRODUKTION
Country: Germany
Type: L
Parent company: Deutsche Grammophon
Genres: Early music, baroque and classical.
Collector interest: ★★★★☆
ARGO
Country: UK
Type: L
Genres: Classical, spoken word and specialist recordings.
Historical association: Decca.
Collector rarity: High.
ARISTA
Country: USA
Type: L
Era: 1970s onward
Genres: Rock, pop and contemporary music.
Open-reel releases: Relatively scarce compared with earlier major labels.
ASYLUM
Country: USA
Type: L
Era: 1970s
Genres: Singer-songwriter, rock and contemporary music.
Collector interest: ★★★★☆
ATCO
Country: USA
Type: L
Family: Atlantic Records
Genres: Rock, soul, R&B and pop.
Collector interest: ★★★★☆
ATLANTIC RECORDS
Country: USA
Type: L
Era: Golden-age prerecorded tape
Genres: Jazz, soul, R&B, rock and pop.
Notability: Extensive internationally important catalogue.
Collector interest: ★★★★★
AUDIO FIDELITY
Country: USA
Type: L / D
Era: 1950s–1960s
Importance: Major early stereo demonstration/audiophile label.
Genres: Demonstration recordings, jazz, orchestral, exotica and popular music.
Collector importance: ★★★★★
AUDIOLAB
Type: D
Era: Historical
Research status: Further documentation required.
Collector rarity: High.
B
BALLFINGER
Country: Germany
Type: M / promotional partnership
Era: Modern
Notable tape: Specialist 15 ips sampler production associated with Analogy Records.
Tape stock: RTM SM900 documented for the special edition.
Collector interest: ★★★★☆
BARCLAY CROCKER
Country: USA
Type: D / specialist tape label
Location: Poughkeepsie, New York
Tape-production era: 1976–1986
One of the most important audiophile prerecorded-tape specialists of the late commercial open-reel era.
Production system
Licensing masters were evaluated before acceptance.
A 1:1 running master was produced at:
15 ips
½-inch tape
Commercial copies were then made on customised Ampex duplicating equipment at a relatively slow 4:1 duplication ratio.
Commercial playback speed: 7½ ips
Tape stock: Audiotape Q-15 low-noise polyester tape
Noise reduction: Primarily Dolby B
Limited DBX-II editions: Also known
Unlike the extreme high-speed duplication used for many mass-market releases, Barclay Crocker deliberately emphasised slow duplication and quality control.
Many releases were classical.
Collector importance: ★★★★★
Sound-quality reputation: ★★★★★
Historical importance: ★★★★★
BASE2 MUSIC
Country: United Kingdom
Type: R / M
Founded: 2017
Speciality: Organ and classical recordings.
Master-tape editions include one-to-one copies on professional reels, with 15 ips editions available.
Collector interest: ★★★★☆
BEL CANTO
Country: USA
Type: D
Era: Early prerecorded stereo period
Speciality: Stereo tape manufacture/duplication.
Collector interest: ★★★★★
Rarity: High.
BEL CANTO MUSICALE
Country: Taiwan
Type: R / M
Founded: 2007
Tape activity: Analogue recording incorporated from 2015.
Series: Limited open-reel live-performance editions including its Sasimi series.
Genres: Classical.
C
CAPITOL RECORDS
Country: USA
Type: L / D
Era: 1950s–1970s
Importance: One of the fundamental companies in American prerecorded tape history.
Capitol produced a major catalogue of reel-to-reel releases and had manufacturing capability associated with its tape programme.
Common formats:
2-track stereo — early period
4-track stereo — later period
7½ ips
3¾ ips — selected later mass-market releases
Genres: Pop, jazz, vocal, rock, classical and soundtrack.
Collector importance: ★★★★★
CBS / CBS SONY
Country: Japan
Type: L / D
Era: Japanese golden-age prerecorded tape
Formats: High-quality Japanese commercial reel editions.
Collector interest: ★★★★★
Packaging: Japanese editions are frequently sought for presentation and manufacturing quality.
CHASING THE DRAGON
Country: United Kingdom
Type: R / M
Era: Modern
Founder / engineer: Mike Valentine
Chasing The Dragon specialises in purist audiophile recordings.
Its recording programme has included:
• Chamber orchestra
• Full orchestra
• Big band jazz
• Audiophile demonstration recordings
• Direct-cut vinyl
• Open-reel copy masters
A ½-inch master tape running at 30 ips is used for parts of its master-tape production workflow.
Collector interest: ★★★★★
COLUMBIA RECORDS
Country: USA
Type: L / D
Era: 1950s–1970s
Importance: One of the largest historical prerecorded tape catalogues.
Genres:
Classical
Jazz
Popular music
Rock
Country
Soundtrack
Early stereo Columbia tapes are particularly important in documenting the transition from 2-track to 4-track prerecorded formats.
Collector importance: ★★★★★
CONCERT HALL SOCIETY
Country: USA
Type: L / D
Era: 1950s–1960s
Genres: Classical and orchestral.
Collector rarity: High.
COOK LABORATORIES
Country: USA
Type: L / D
Era: Early hi-fi / stereo period
Founder: Emory Cook
Speciality: Experimental high-fidelity recording, unusual stereo and location recordings.
Collector importance: ★★★★★
D
DELMARK RECORDS
Country: USA
Type: L / M
Founded: 1953
Genres: Jazz and blues.
Modern tape editions have included:
Premium version:
• Half-track
• 15 ips
• 10.5-inch reel
Alternative version:
• Quarter-track
• 7½ ips
• 7-inch reel
Collector interest: ★★★★☆
DEUTSCHE GRAMMOPHON
Country: Germany
Type: L
Era: Golden-age prerecorded tape
Genres: Classical and opera.
One of the most important classical labels represented on reel tape.
Collector importance: ★★★★★
E
EMI / ANGEL
Country: UK / USA
Type: L / D
Era: Golden-age prerecorded tape
Genres: Classical, opera, orchestral and selected popular music.
International importance: ★★★★★
ELEKTRA
Country: USA
Type: L
Genres: Folk, rock, singer-songwriter and contemporary music.
Era: 1960s–1970s open-reel period.
Collector interest: ★★★★☆
ETERNAL MASTERS / AUDIO CLASSICA
Country: Germany
Type: M
Era: Modern
Repertoire: Classical.
Offers master-tape editions derived from repertoire associated with the Dabringhaus & Grimm catalogue.
EVEREST RECORDS
Country: USA
Type: L / D
Era: 1950s–1960s
Genres: Classical and audiophile orchestral recording.
Everest is one of the important names of the early stereo era and remains highly collectible for both musical and recording significance.
Collector importance: ★★★★★
F
FANTASY RECORDS
Country: USA
Type: L / D
Genres: Jazz and popular music.
Historical association: Important West Coast jazz catalogue.
Collector interest: ★★★★☆
FONÈ RECORDS
Country: Italy
Type: R / M
Founder / engineer: Giulio Cesare Ricci
Recording activity: Since the 1980s
Era: Modern master-tape producer.
Fonè has produced a substantial catalogue of analogue recordings and has offered dozens of titles as master-tape editions.
Genres:
Classical
Jazz
Vocal
Pop
Audiophile recordings
Collector importance: ★★★★★
G
GEARBOX RECORDS
Country: United Kingdom / Japan
Type: R / M
Era: Modern
Gearbox offers copy-master editions from parts of its catalogue.
Documented production options include:
• ¼-inch tape
• 15 ips
• IEC or NAB
• RTM SM911
• Metal reels
• Studer C37 and Philips EL3501 machines
Other speed and track configurations have also been available for certain material.
Collector importance: ★★★★★
GROOVE NOTE
Country: USA
Type: L / M
Era: Modern audiophile label
Tape programme: Introduced reel-to-reel editions in the 2010s.
Typical high-end format:
¼-inch
15 ips
Genres: Jazz, blues, vocals and classical chamber music.
Collector interest: ★★★★☆
H
HEMIOLIA RECORDS
Country: Italy
Type: M / R
Era: Modern
Speciality: Music produced specifically for high-quality master tape.
Catalogue families have included:
Studio Reference
Gold Collection
Silver Collection
R3 / live recordings
Collector interest: ★★★★★
HIGH DEFINITION TAPE TRANSFERS — HDTT
Country: North America
Type: Archival / M
Speciality: Restoration and high-resolution transfer of rare historic recordings.
Open-reel releases: Limited compared with its extensive digital catalogue.
HORCH HOUSE
Country: Austria / Germany-associated modern market
Type: M
Founded: 2014
Founder: Volker Lange
Horch House became one of the most visible names in the modern revival of licensed master-tape copies.
Repertoire:
Classical
Jazz
Historic recordings
Licensed catalogue material
Its production model centres on preparation of high-quality analogue production masters from which customer tapes are subsequently copied.
Collector importance: ★★★★★
I
IN-AKUSTIK MASTER TAPE
Country: Germany
Type: M
Era: Modern
Modern in-akustik tape editions use real-time duplication.
A documented Master Tape Standard configuration includes:
• Studer A80
• ¼-inch
• 2-track stereo
• 15 ips
• CCIR
• RTM LPR90
• 320 nWb/m
A higher-level Studio configuration has used:
• RTM SM900
• 510 nWb/m
• Two-reel presentation
Collector interest: ★★★★★
INTERNATIONAL PHONOGRAPH INC. — IPI
Country: USA
Type: R / M
Founded: 1981
Principal: Jonathan Horwich
Speciality: Jazz.
IPI combines newly recorded performances with historic analogue material and has built a substantial catalogue of master-tape copies.
Collector interest: ★★★★★
J
JERSIKA RECORDS
Country: Latvia
Type: R / M
Founded: 2017
Founder: Mareks Ameriks
Location: Riga
Independent label specialising in jazz and improvised music.
Many sessions follow an analogue recording philosophy, including live reel-to-reel recording.
Tape editions are commonly produced to order.
Genres:
Jazz
Improvised music
Contemporary Latvian music
Collector interest: ★★★★★
K
KING RECORDS — JAPAN
Country: Japan
Type: L / D
Era: Japanese golden age
Genres: Classical, jazz, popular and licensed international repertoire.
Manufacturing reputation: High.
Collector importance: ★★★★★
L
LIVINGSTON
Country: USA
Type: D / L
Era: Early stereo period
Importance: Associated with specialist prerecorded stereo tapes.
Collector rarity: ★★★★☆
LONDON RECORDS
Country: UK / USA market
Type: L
Association: Decca repertoire
Era: 1950s–1970s
Genres: Classical, orchestral, opera and popular music.
Early London stereo tapes can be especially desirable.
Collector importance: ★★★★★
THE LOST RECORDINGS
Country: France
Type: Archival / M
Era: Modern
Specialises in rediscovering, restoring and publishing historic archive performances.
Selected restorations have been made available on reel tape alongside other physical and digital editions.
Genres: Jazz and classical.
Collector interest: ★★★★★
LYN STANLEY / A.T. MUSIC
Country: USA
Type: R / M
Era: Modern
Genre: Audiophile vocal jazz.
Recordings originate from high-resolution professional analogue studio masters including ½-inch and ¼-inch tape configurations.
Collector interest: ★★★★★
M
MAGTEC
Country: USA
Type: D
Era: Commercial prerecorded-tape era.
A significant independent duplicator encountered on commercially issued reel tapes.
Because the same label could use different duplication contractors at different dates, identifying Magtec production can be important when comparing different copies of the same album.
Collector research importance: ★★★★★
MASTER TAPE SOUND LAB
Type: M / R
Era: Modern
Founder: Todor Dimitrov
Associated recording work: Kostas Metaxas
Uses specialist modified analogue recording and playback systems, including Studer and Stellavox equipment.
Production philosophy emphasises direct analogue recording without unnecessary processing.
Genres:
Jazz
Classical
Audiophile demonstration recordings
Collector interest: ★★★★★
MERCURY RECORDS
Country: USA
Type: L / D
Era: Golden age
Genres: Classical, jazz and popular music.
Mercury’s classical catalogue is particularly significant because of the legendary recording philosophy associated with the Mercury Living Presence era.
Collector importance: ★★★★★
MUSIC ON REELS
Country: USA
Type: M / D
Location: Wisconsin
Principal: Shai Drori
Era: Modern
Offers specialist jazz and classical reel releases as well as tape-duplication services.
Formats: 7-inch and 10.5-inch editions depending on title.
N
NIPPON COLUMBIA
Country: Japan
Type: L / D
Era: Historical Japanese prerecorded tape
Genres: Japanese and international repertoire.
Collector importance: ★★★★☆
O
OMAD RECORDS
Country: USA
Type: L / M
Founded: 1995
Founder: John DeNicola
Modern reel editions have been produced as:
• ¼-inch
• 15 ips
• Real-time transfers
• Studer B67 destination machine
Some releases originate from high-resolution digital masters rather than claiming an AAA chain, an important distinction for collectors.
OMEGATAPE
Country: USA
Type: L / D
Era: Early stereo tape
Speciality: Stereo prerecorded releases.
Collector importance: ★★★★★
Rarity: High.
OPEN REEL RECORDS
Country: Italy
Type: R / M
Principal: Marco Taio
Era: Modern
Recording philosophy centres on high-quality performances, particularly classical music recorded in carefully chosen acoustic spaces.
Production includes:
• Analogue recording
• Real-time stereo mixing
• Mechanical editing
• Analogue mastering
• Master-tape distribution
Collector interest: ★★★★★
OPUS 3 RECORDS
Country: Sweden
Type: R / M
Founded: 1976
Era: Historic audiophile label / modern master-tape producer
A major reference in the modern master-tape world.
Much of its earlier catalogue was recorded strictly in two-channel analogue.
Typical master-tape edition
• ¼-inch
• 2-track stereo
• 15 ips
• CCIR
• Frequently two reels for full albums
Genres:
Jazz
Blues
Classical
World music
Acoustic music
Collector importance: ★★★★★
Audiophile importance: ★★★★★
P
PREMONITION RECORDS
Country: USA
Type: L / M
Founded: 1993
Genres: Jazz and contemporary audiophile recordings.
Selected Patricia Barber and other releases have appeared in reel-to-reel editions.
Collector interest: ★★★★★
Q
QUINTON RECORDS
Country: Austria
Type: R / M
Founded: 2001
Location: Vienna
Audiophile label specialising in:
Jazz
Latin
Classical
Selected recordings are available as master-tape editions.
Collector interest: ★★★★☆
R
RCA VICTOR
Country: USA
Type: L / D
Era: 1950s–1970s
Importance: One of the foundational prerecorded open-reel manufacturers.
RCA’s catalogue covers:
• Classical
• Jazz
• Popular music
• Rock
• Country
• Soundtrack
Early Living Stereo tapes rank among the major artefacts of the first generation of stereo reproduction.
Collector importance: ★★★★★
Historical importance: ★★★★★
REVOX ANALOG MASTER TAPES COLLECTION
Country: Germany / Switzerland heritage
Type: M
Era: Modern
The modern Revox music programme has expanded around premium prerecorded analogue tape, including collaboration with the Horch House operation.
The Revox brand’s return to tape publishing has particular significance because of its historic position as one of the best-known manufacturers of domestic and professional open-reel machines.
Collector importance: ★★★★★
RHINO HIGH FIDELITY — REEL-TO-REEL
Country: USA
Type: Major-label archival / M
Parent: Warner Music Group
Era: 2025 onward
One of the most important developments in the contemporary reel-to-reel revival.
Selected Warner catalogue titles have been issued as limited premium reel-to-reel releases.
Documented 2026 editions include:
• 15 ips
• ¼-inch
• Half-track / 2-track stereo
• IEC equalisation
• RTM LPR90
• 10.5-inch metal reel
• Real-time duplication
• Derived from 1:1 copies of flat analogue masters
The catalogue has included releases connected with artists such as:
T. Rex
Yes
Fleetwood Mac
ZZ Top
and other Warner-controlled heritage repertoire.
Collector importance: ★★★★★
Future importance: ★★★★★
S
SMART AUDIO RECORDING LAB
Country: Russia
Type: R / M
Era: Modern
Speciality: New jazz and classical analogue recordings and specialist master-tape editions.
SONOTAPE
Type: L
Era: Historical prerecorded-tape period.
Collector significance: Scarcer catalogue worthy of further identification work.
Rarity: ★★★★☆
STELLA RECORDS / REEL TO REEL HAVEN
Country: USA
Type: R / M
Location: Brooklyn, New York
Era: Modern
Focuses on new recordings created directly on analogue tape.
The production philosophy deliberately excludes digital recording and mastering tools for qualifying analogue editions.
First-generation master-tape copies are produced in limited quantities.
Collector interest: ★★★★★
STEREOTAPE
Country: USA
Type: D
Era: Golden-age commercial prerecorded tape.
Stereotape was one of the important independent duplication names encountered on American commercial releases.
Identification of the physical duplicator is particularly useful because different generations of a title can sometimes have materially different sonic characteristics.
Collector research importance: ★★★★★
straight2tape
See 2INCH-RECORDS / straight2tape.
STS ANALOG
Country: Netherlands
Type: R / M
Founder / engineer: Fritz de With
Era: Modern
STS Analog is the analogue tape arm associated with STS Digital and maintains a substantial audiophile tape catalogue.
Primary genres:
Jazz
Swing
Vocal
Latin
Acoustic music
Demonstration recordings
Typical premium editions use professional ¼-inch half-track stereo tape and high-speed audiophile playback formats.
The catalogue includes original STS productions together with carefully prepared historical and audiophile programme material.
Collector interest: ★★★★★
T
TAPE MUSIC
Country: Germany
Type: R / M
Era: Modern
Speciality: Organ, classical, choral, opera and jazz material distributed on open-reel tape.
THE TAPE PROJECT
Country: USA
Type: M
Era: Modern
One of the companies most strongly associated with the modern revival of commercial master-tape copies.
The Tape Project licenses recordings and issues high-quality, limited-edition tape copies targeted at serious analogue playback systems.
Genres:
Jazz
Classical
Roots
Blues
Audiophile recordings
Many releases are strictly limited and have become valuable after selling out.
Collector importance: ★★★★★
Modern historical importance: ★★★★★
TONE-PEARLS RECORDS
Country: France
Type: R / M
Era: Modern
Speciality: Classical performance captured with a specialist analogue recording approach.
Availability: Small catalogue of master-tape releases.
Collector rarity: ★★★★☆
TRJ RECORDS
Country: Italy
Type: R / M
Founded: 2007
Tape programme: Introduced original master stereo tape editions around 2012.
Genres: Primarily jazz with additional styles.
TRJ uses the designation OMST — Original Master Stereo Tape for its tape programme.
U
ULTRA ANALOGUE RECORDINGS
Country: Canada
Type: R / M
Founder: Ed Pong
Era: Modern
One of the respected specialist master-tape labels devoted principally to classical chamber music.
Production philosophy uses high-quality analogue tape recording combined with valve/tube electronics.
Genres:
Chamber music
Violin
Cello
Piano
Classical repertoire
Collector importance: ★★★★★
URANIA
Country: USA
Type: L / D
Era: Early LP / reel era
Genres: Classical.
Collector rarity: High.
Historical interest: ★★★★☆
V
VANGUARD RECORDS
Country: USA
Type: L / D
Era: 1950s–1970s
Genres: Classical, folk, blues and popular music.
Collector importance: ★★★★★
VERVE RECORDS
Country: USA
Type: L
Era: Golden-age prerecorded reel tape
Genres: Jazz and vocal music.
Reel editions by major Verve jazz artists are among the more desirable prerecorded jazz tapes.
Collector interest: ★★★★★
VICTOR COMPANY OF JAPAN — JVC
Country: Japan
Type: L / D
Era: Japanese prerecorded-tape period
A major Japanese manufacturing organisation with extensive experience in magnetic recording and commercial audio production.
Japanese Victor/JVC open-reel issues can be highly collectible.
Collector importance: ★★★★★
VOX
Country: USA
Type: L / D
Era: Early stereo / classical prerecorded tape
Genres: Classical and orchestral music.
Collector rarity: High.
W
WARNER BROS. RECORDS
Country: USA
Type: L
Era: 1960s–1980s reel period
Genres: Rock, pop, singer-songwriter, jazz and soundtrack.
A major source of later-generation prerecorded commercial reels.
Today portions of Warner’s historic catalogue are again appearing on reel tape through specialist archival programmes.
Collector importance: ★★★★★
WESTMINSTER
Country: USA
Type: L / D
Era: 1950s–1960s
Genres: Classical.
Westminster was an important audiophile-era classical label and reel-tape manufacturer.
Early stereo examples are highly desirable.
Collector importance: ★★★★★
MAJOR HISTORICAL DUPLICATORS — QUICK REFERENCE
For collectors trying to establish who actually manufactured a prerecorded tape, the following names deserve particular attention:
Ampex — USA
Major contract duplicator and one of the dominant names of commercial prerecorded tape.
Barclay Crocker — USA
Specialist audiophile duplicator; famous for 4:1 duplication and 7½ ips Dolby tapes.
Bel Canto — USA
Early stereo duplicator.
Capitol — USA
Major label with in-house manufacturing activity.
CBS Sony — Japan
Japanese label/manufacturer.
Columbia — USA
Major label and tape manufacturer.
Concert Hall Society — USA
Classical label/duplicator.
Cook Laboratories — USA
Early specialist hi-fi label/manufacturer.
EMI / Angel — UK/USA
Major classical tape operation.
Everest — USA
Audiophile/classical label and tape producer.
Fantasy — USA
Jazz-oriented label with duplication activity.
King Records — Japan
Japanese manufacturer.
Livingston — USA
Early stereo manufacturer/duplicator.
Magtec — USA
Independent commercial duplicator.
Mercury — USA
Major record label with reel manufacturing history.
Nippon Columbia — Japan
Japanese manufacturer.
Omegatape — USA
Specialist stereo-tape producer.
RCA Victor — USA
Major record company/manufacturer.
Stereotape — USA
Important independent commercial duplicator.
Urania — USA
Classical tape producer.
Vanguard — USA
Important classical/folk label with duplication activity.
Victor Company of Japan — Japan
Major Japanese manufacturer.
Vox — USA
Classical label/duplicator.
Westminster — USA
Classical label/manufacturer.
MAJOR MODERN MASTER-TAPE PRODUCERS — QUICK REFERENCE
Canada
2xHD
Ultra Analogue Recordings
France
The Lost Recordings
Tone-Pearls
Germany
in-akustik Master Tape
Tape Music
Eternal Masters
Revox Analog Master Tapes Collection
Italy
Analogy Records
Analog Mastering Service
Fonè
Hemiolia Records
Open Reel Records
TRJ Records
Latvia
Jersika Records
Netherlands
STS Analog
Poland
AC Records
Switzerland
2INCH-RECORDS / straight2tape
Sweden
Opus 3 Records
Taiwan
Bel Canto Musicale
United Kingdom
Base2 Music
Chasing The Dragon
Gearbox Records
United States
Analogue Productions Ultra Tape
Analog Tone Factory
Delmark Records
Groove Note
International Phonograph Inc.
Lyn Stanley / A.T. Music
Music on Reels
Omad Records
Premonition Records
Rhino High Fidelity
Stella Records
The Tape Project
COLLECTOR FORMAT GUIDE
2-TRACK / HALF-TRACK STEREO
The preferred modern audiophile format.
Two wide stereo tracks occupy approximately half of the tape width each.
Advantages
Greater recorded track area
Higher signal-to-noise performance
Lower perceived tape noise
Higher potential output
Better suitability for direct master copies
Typical modern specification:
¼-inch / 2-track / 15 ips / IEC-CCIR or NAB
4-TRACK / QUARTER-TRACK STEREO
The dominant consumer prerecorded format during much of the 1960s and 1970s.
Two stereo programmes can occupy opposite tape directions.
Advantages
Longer playing time
Lower tape consumption
Compatibility with many domestic machines
Disadvantages
Narrower tracks
Greater sensitivity to alignment
Higher relative noise
Lower theoretical performance than half-track at equivalent speed
TAPE SPEED GUIDE
3¾ IPS — 9.5 cm/s
Economy consumer speed.
Common on later mass-market prerecorded reels.
Audiophile rating: ★★☆☆☆
7½ IPS — 19 cm/s
The classic high-fidelity consumer speed.
Used extensively on high-quality commercial prerecorded tapes.
Audiophile rating: ★★★★☆
15 IPS — 38 cm/s
Professional/audiophile standard used by the majority of modern master-tape labels.
Audiophile rating: ★★★★★
30 IPS — 76 cm/s
Professional studio mastering speed.
Exceptional bandwidth and noise performance but very high tape consumption.
Audiophile rating: ★★★★★
EQUALISATION
NAB
Common historically in:
United States
Canada
Japan
parts of the international professional market
IEC / CCIR
Common in:
Europe
British and Continental studios
many current audiophile master-tape editions
A collector must verify EQ before playback. Playing an IEC tape through a NAB-calibrated machine, or vice versa, changes tonal balance.
DUPLICATION QUALITY HIERARCHY
Not every prerecorded reel is remotely equivalent.
LEVEL 1 — ORIGINAL SESSION MASTER
The original recording master.
Collector/audio status: Reference source.
LEVEL 2 — ORIGINAL STEREO MIX MASTER
The completed analogue stereo master derived from a multitrack session.
Status: Master source.
LEVEL 3 — 1:1 SAFETY / PRODUCTION MASTER
Real-time copy of the master made for preservation or production.
Status: Extremely high quality when correctly produced.
LEVEL 4 — REAL-TIME COMMERCIAL MASTER-TAPE COPY
Customer tape copied at 1:1 speed.
Typical modern audiophile product.
LEVEL 5 — LOW-RATIO DUPLICATION
Examples include specialist 2:1 or 4:1 manufacture.
Barclay Crocker is the classic historical example of a company deliberately using a relatively low commercial duplication ratio.
LEVEL 6 — HIGH-SPEED MASS DUPLICATION
Historically common in consumer tape manufacture.
Production master and slave tapes could run many times faster than normal playback speed.
Efficient — but potentially inferior to carefully aligned low-ratio or real-time duplication.
COLLECTOR CONDITION GRADING
M — MINT
Factory-new or genuinely unused.
NM — NEAR MINT
Exceptional tape, box, reel and documentation.
EX — EXCELLENT
Minor cosmetic wear with excellent tape condition.
VG — VERY GOOD
Normal age-related wear; tape remains properly playable.
G — GOOD
Significant packaging/reel wear or uncertain tape history.
P — POOR
Damage, oxide loss, mould, splices, severe edge deformation or playback problems.
IMPORTANT COLLECTOR WARNING
Never judge a prerecorded reel exclusively by its label or album title.
Two copies of ostensibly the same release can differ because of:
• Different duplicators
• Different production dates
• Different tape formulations
• Different duplication ratios
• Different masters
• Different EQ
• Different recording levels
• Dolby versus non-Dolby production
• 2-track versus 4-track format
• 7½ versus 3¾ ips
• Different national editions
• Different manufacturing plants
The physical tape itself is part of the mastering chain.
That is why identifying the duplicator is as important to serious reel collectors as identifying the pressing plant is to advanced vinyl collectors.
OPENREELTOREEL COLLECTOR CLASSIFICATION
For future database development, every tape should receive five ratings:
SOUND QUALITY — ★★★★★
How close the release can potentially approach its source master.
MANUFACTURING QUALITY — ★★★★★
Tape stock, duplication accuracy, alignment and physical production.
RARITY — ★★★★★
Availability on the collector market.
HISTORICAL IMPORTANCE — ★★★★★
Importance within the history of recorded tape.
COLLECTOR DESIRABILITY — ★★★★★
Combined demand, reputation, packaging, music and sonic performance.
THE FIVE MOST IMPORTANT HISTORICAL NAMES
AMPEX
The giant of American commercial tape duplication.
RCA VICTOR
One of the foundational major-label tape manufacturers.
COLUMBIA
A vast catalogue and a key player in American prerecorded stereo.
CAPITOL
An essential component of the US commercial open-reel story.
BARCLAY CROCKER
The specialist company that demonstrated how much better a commercially duplicated 7½-ips tape could be when mastering, tape formulation and duplication speed were treated as audiophile priorities.
THE MODERN MASTER-TAPE ERA
The modern market is fundamentally different from the mass-market prerecorded tape business of the 1950s–1980s.
Modern premium producers increasingly concentrate on:
15 ips
¼-inch
2-track / half-track stereo
10.5-inch reels
Real-time 1:1 copying
IEC/CCIR or NAB
Professional studio-grade tape
Limited production
Master-derived sources
Modern companies such as Analogue Productions, 2xHD, Chasing The Dragon, Fonè, Gearbox, Hemiolia, Horch House/Revox, in-akustik, Jersika Records, Open Reel Records, Opus 3, Rhino High Fidelity, STS Analog, The Tape Project and Ultra Analogue Recordings have transformed reel tape from a discontinued consumer format into an ultra-premium physical music medium.
RESEARCH STATUS
This directory should be considered a living collector database.
Future editions should progressively identify:
1. Every known historical record label issuing open-reel tape.
2. Every independent tape duplicator.
3. Which duplicator manufactured each catalogue series.
4. Production dates.
5. Country-specific editions.
6. 2-track versus 4-track catalogue numbers.
7. Tape speeds.
8. Duplication ratios.
9. Master machines.
10. Slave machines.
11. Tape formulations.
12. NAB/IEC equalisation.
13. Dolby/DBX encoding.
14. Reel and hub design.
15. Packaging variants.
16. Original retail prices.
17. Surviving catalogue documentation.
18. Current collector values.
19. Known manufacturing defects.
20. Recommended playback alignment.
OPENREELTOREEL 2026 WORLD COLLECTOR’S REFERENCE
WORLDWIDE REEL-TO-REEL RECORD LABELS, MASTER-TAPE PRODUCERS & DUPLICATORS
The International Guide to Music on Open-Reel Tape
From the first commercial stereo reels of the 1950s to today’s 15 ips real-time master-tape editions.
Preserving the history of recorded magnetic tape — one reel, one label and one master at a time.
OpenReelToReel.com







