Worldwide Reel-to-Reel Machine Manufacturers, Restorers & Service Specialists — 2026 Collector’s Directory
The International Guide to Open-Reel Tape Machine Manufacturing, Restoration, Repair, Calibration, Head Relapping & Custom Modification
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The reel-to-reel revival continues to grow, but finding the right technician, restoration specialist, head-relapping service or modern machine manufacturer can still be difficult.
This 2026 worldwide directory brings together reel-to-reel manufacturers, professional refurbishers, specialist service centres, magnetic-head experts, calibration specialists and custom-modification companies from around the world.
Whether you own a Studer A80, Revox B77, Technics RS-1500, Otari MX-5050, MCI JH-110, Ampex ATR-100, Pioneer RT-909, TEAC, Tascam, Sony, Ferrograph, Nagra or another classic tape machine, the quality of the technician can make a major difference to performance, reliability and long-term value.
Why Specialist Reel-to-Reel Service Matters
A reel-to-reel tape recorder is far more complex than a conventional vintage amplifier.
A proper restoration can involve:
- Tape transport rebuilding
- Mechanical alignment
- Brake adjustment
- Pinch roller restoration
- Capstan servicing
- Reel motor rebuilding
- Bearing replacement
- Head inspection
- Head relapping
- Head replacement
- Head height adjustment
- Zenith correction
- Tape wrap adjustment
- Azimuth alignment
- Playback calibration
- Record calibration
- Bias adjustment
- NAB / IEC / CCIR equalisation setup
- Fluxivity calibration
- Wow and flutter testing
- Frequency response measurement
- Capacitor replacement
- Power supply rebuilding
- Audio stage upgrades
- Custom playback electronics
- Cosmetic restoration
- Custom faceplates and finishes
For valuable machines, a general electronics repair shop is rarely the best choice.
Current Reel-to-Reel Machine Manufacturers
Revox — Germany
Revox is once again an active manufacturer of reel-to-reel tape machines.
The current Revox B77 MK III continues the legendary B77 lineage with updated electronics, modern connectivity and factory production.
Key areas:
- New reel-to-reel machine sales
- B77 MK III
- Factory servicing
- Classic Revox restoration
- Calibration
- Limited editions
Website: revox.com
Ballfinger — Germany
Ballfinger is one of the most important names in the modern reel-to-reel revival.
Its machines combine contemporary precision engineering with traditional open-reel recording principles.
Key areas:
- Newly manufactured reel-to-reel machines
- Professional and audiophile configurations
- Record and playback machines
- Factory upgrades
- Custom configurations
Website: ballfinger.de
Analog Audio Design — France
Analog Audio Design manufactures the TP-1000, a contemporary high-end reel-to-reel tape machine designed around premium master-tape playback.
Key specifications include:
- 1/4-inch tape
- 2-track
- 7.5 ips
- 15 ips
- NAB / IEC configurations
- Special finishes and editions
Website: analogaudiodesign.com
Metaxas & Sins — Greece
Metaxas & Sins produces some of the most visually distinctive modern reel-to-reel machines in the world.
Models include:
- Papillon
- T-RX Tourbillon
These machines combine high-end analogue audio engineering with sculptural industrial design.
Website: metaxas.com
Thorens — Germany
The Thorens TM 1600 was developed with Ballfinger and became one of the most recognisable modern open-reel playback machines.
Specifications include:
- 1/4-inch tape
- Half-track
- 7.5 and 15 ips
- NAB and CCIR
- 10.5-inch reels
The TM 1600 is now listed by Thorens as a discontinued product, making it increasingly interesting from a collector’s perspective.
Website: thorens.com
United Kingdom
Reel Resilience
Reel Resilience is one of the most important dedicated reel-to-reel service specialists in the UK.
Known machine coverage includes:
- Studer
- Revox
- Otari
- TEAC
- Tascam
- Professional multitrack machines
Services include:
- Repair
- Restoration
- Calibration
- Mechanical alignment
- Tape machine line-up
- Head assessment
- Head relapping arrangements
- Alignment training
Website: reelresilience.co.uk
Summertone
Summertone is particularly important for magnetic-head work.
Services include:
- Head relapping
- Head re-profiling
- Magnetic-head refurbishment
- Head-block servicing
- Replacement magnetic heads where available
Website: summertone.com
Servicesound
Servicesound has decades of experience with vintage reel-to-reel equipment.
Particular expertise includes:
- Ferrograph
- Brenell
- Vintage valve tape machines
- Professional and domestic reel-to-reel recorders
Website: servicesound.com
Other UK Specialists
Additional UK specialists listed by Recording The Masters include:
- Larkings List
- Clive Kavan
- WD41
- Rob Brinkworth
- Allen Wright
- Electrofix
- Hear Audio
- Audiophiles Clinic
Always confirm current model acceptance before shipping equipment.
Germany
Important German specialists include:
- Revox-OnLine
- Hi-End Japan GmbH
- Revox factory service
- Revox Classic
Revox-OnLine is particularly relevant for vintage Revox machines such as:
- A77
- B77
- PR99
France
Magneto-Shop
French reel-to-reel restoration and service specialist.
Website: magneto-shop.fr
MVT-Revox
Revox-focused service specialist.
Website: mvtrevox.fr
Italy
The Recorderman
Italian reel-to-reel restoration specialist listed by Recording The Masters.
Website: therecorderman.com
Latvia
Reel to Reel World
Baltic-region reel-to-reel specialist.
Website: reeltoreelworld.com
Slovakia
Sepea Audio
European high-end audio and reel-to-reel specialist.
Website: sepeaaudio.com
Netherlands
MFB Freaks
Vintage audio and reel-to-reel service specialist.
Website: mfbfreaks.com
Switzerland
Specialists include:
- Analog Wizard
- Genève Musique
- DERREPARATEUR.ch
These businesses should be contacted directly regarding currently supported machines.
Serbia
Nebojsa Popovic
Listed by Recording The Masters as a reel-to-reel refurbisher and technician.
Greece
Master Sound Lab
Listed as a reel-to-reel refurbisher and specialist.
Website: mastertapesoundlab.com
United States
The United States has one of the largest concentrations of reel-to-reel restoration specialists in the world.
Mara Machines — Nashville
Mara Machines is one of the leading MCI specialists.
Its focus includes:
- MCI JH-110B/C
- MCI JH-24
- 1/4-inch 2-track machines
- 2-inch 24-track machines
Services include:
- Complete restoration
- Machine sales
- Mechanical rebuilding
- Electronic restoration
- Alignment
- Head alignment
- Professional studio restoration
Website: maramachines.com
United Home Audio
United Home Audio is best known for extensively re-engineered high-end tape machines.
Typical upgrades include:
- Tape-path optimisation
- Precision rollers
- Ceramic guides
- Power supply upgrades
- Audio-stage modifications
- Grounding redesign
- Shielding improvements
- Internal wiring upgrades
- External power supplies
Website: unitedhomeaudio.com
J-Corder Luxury Audio
J-Corder is one of the most widely known custom Technics specialists.
Common machines include:
- Technics RS-1500
- RS-1506
- RS-1520
- RS-1700
- Pioneer RT-707
- Selected Sony machines
Services include:
- Restoration
- Repair
- Custom faceplates
- Custom finishes
- Electronic upgrades
- Machine sales
Website: j-corder.com
JRF Magnetic Sciences
JRF is one of the most important magnetic-head specialists in the reel-to-reel industry.
Supported brands include:
- Ampex
- MCI
- Sony
- Otari
- Studer
- Tascam
- TEAC
- Other professional machines
Services include:
- Head relapping
- Replacement heads
- Reconditioned heads
- Custom head design
- Head assembly conversions
- Calibration tapes
Website: jrfmagnetics.com
Funktional Technologies
Services include:
- Laboratory-grade calibration
- Full alignment
- Repair
- Restoration
- Capacitor replacement
- Head lapping
- Motor rebuilding
- External playback preamplifier modifications
Website: funktionaltech.com
Reel Audio LLC
Studer and Revox specialist.
Services include:
- Repair
- Service
- Calibration
- Machines for sale
- Calibration tapes
Website: reelaudiollc.com
Alter Ego Appearance
Known for unique reel-to-reel restoration and customisation projects.
Services include:
- Custom cosmetics
- Custom panels
- Machine rebuilding
- Electronics upgrades
- Bespoke reel-to-reel design projects
Website: alteregoappearance.com
Additional USA Specialists
Other companies listed in the international service network include:
- Myriad Magnetic
- Allen Sound
- Vertigo Recording Services
- SRK Audio
- Doctor Bass
- Technical Audio
- RTZ Professional Audio
- Shuster Sound
- ATR Service
- World Pro Audio
- Audio Magnetics
- Walt’s Vintage Audio
- Music Technology
- Zeltec R&D
- Waltzing Bear Audio
- Tubular Audio
- Adams Electronics
- Technical Audio Services
- Normaphone
- TEK Media Group
Canada
Reel to Reel Tech
One of Canada’s major dedicated tape-machine specialists.
Coverage ranges from vintage mono valve machines to professional 2-inch multitrack equipment.
Services include:
- Repair
- Restoration
- Calibration
- Playback alignment
- Record alignment
- Tape-specific operating-level setup
Website: reeltoreeltech.com
Tekx Electronics
Tekx is particularly important for Studer and Revox machines.
Published Studer coverage includes:
- C37
- J37
- A80
- A810
- A812
- A816
- A820
- A827
Revox models include:
- A77
- B77
- PR99
Services include:
- Head relapping
- Machine rebuilding
- Bearing work
- Brake service
- Motor rebuilding
- Mechanical alignment
- Audio calibration
Website: tekxelectronics.net
Other Canadian Specialists
- Crasno
- M2 Circuits
- Sigma Electronic Services
Australia
Technical Workshops
Technical Workshops has decades of experience with professional tape recorders.
Historical expertise includes:
- Studer
- Revox
- Tascam
- TEAC
- 1/4-inch through 2-inch machines
Current routine support is principally focused on Revox due to parts availability.
Services include:
- Repair
- Service
- Alignment
- Restoration
- In-house head relapping
Website: techshops.com.au
Nagravox
Important Revox and Studer head specialist.
Services include:
- Head relapping
- Head-block servicing
- Replacement heads
- Service-exchange heads
- Selected newly manufactured heads
Website: nagravox.com
Sandstone Studios
Listed by Recording The Masters as an Australian refurbisher.
Website: sandstonestudios.com.au
Argentina
Julián Tello — “Yeyo”
Listed internationally as:
- Reel-to-reel refurbisher
- Technician
- Music producer
Best Specialists by Brand
Studer
Recommended starting points include:
- Reel Resilience
- Tekx Electronics
- Funktional Technologies
- Reel Audio LLC
- JRF Magnetic Sciences
- Technical Workshops
- Analog Wizard
Popular Studer machines include:
- A80
- A807
- A810
- A812
- A816
- A820
- A827
- B67
- C37
- J37
Revox
Recommended specialists include:
- Revox Factory
- Revox Classic
- Revox-OnLine
- MVT-Revox
- Reel Resilience
- Tekx Electronics
- Reel to Reel Tech
- Reel Audio LLC
- Nagravox
- Technical Workshops
Popular models:
- A77
- A700
- B77
- PR99
- C270
- B77 MK III
Technics
One of the strongest specialist names is J-Corder.
Popular models:
- RS-1500
- RS-1506
- RS-1520
- RS-1700
MCI
Mara Machines is one of the strongest specialist choices.
Key models:
- JH-110
- JH-24
Ampex / ATR
Potential specialist resources include:
- ATR Service
- JRF Magnetic Sciences
- Funktional Technologies
Machines such as the ATR-100 series should be handled by technicians familiar with professional servo transports.
Otari
Potential specialists include:
- Reel Resilience
- Reel to Reel Tech
- JRF Magnetic Sciences
Popular models:
- MX-5050
- MTR-10
- MTR-12
- MTR-90
TEAC / Tascam
Potential specialists include:
- Reel Resilience
- Reel to Reel Tech
- Funktional Technologies
- JRF Magnetic Sciences
Popular machines include:
- TEAC A-series
- TEAC X-series
- Tascam 32
- Tascam 42
- Tascam 52
- BR-20
Pioneer
Popular machines include:
- RT-707
- RT-909
- RT-1020
- RT-1050
Always confirm parts availability before committing to a major restoration.
Sony
Popular machines include:
- TC-755
- TC-765
- TC-766/2
- TC-850
- TC-880
- APR-series professional machines
Parts availability varies greatly.
Ferrograph / Brenell
For UK collectors, Servicesound remains a particularly relevant specialist.
Worldwide Head Relapping Specialists
Head relapping is one of the most specialist areas in reel-to-reel restoration.
The goal is not simply to polish the head surface. Correct relapping restores the proper contour while preserving the head gap geometry and tape contact.
Important specialists include:
JRF Magnetic Sciences — USA
- Professional head relapping
- Replacement heads
- Custom heads
- Head assemblies
Summertone — UK
- Head re-profiling
- Head refurbishment
- Head-block servicing
Tekx Electronics — Canada
- Studer/Revox relapping
- Mechanical rebuilding
- Calibration
Technical Workshops — Australia
- In-house relapping
- 1/4-inch through 2-inch heads
Nagravox — Australia
- Revox/Studer heads
- Head-block servicing
- Replacement and exchange heads
Funktional Technologies — USA
- Head lapping
- Machine restoration
- Calibration
What Proper Reel-to-Reel Calibration Should Include
A machine advertised as “serviced” is not necessarily properly calibrated.
Ask whether the technician measured:
Tape Transport
- Tape tension
- Pinch pressure
- Brake torque
- Reel-table height
- Tape-guide alignment
- Capstan speed
- Wow and flutter
Tape Heads
- Head wear
- Height
- Zenith
- Wrap
- Azimuth
Playback
- Playback level
- Frequency response
- Equalisation
- Channel balance
Recording
- Bias
- Record EQ
- Record level
- Distortion
- Erase performance
Reference Fluxivity
Ask exactly what reference level was used.
Common values include:
- 185 nWb/m
- 250 nWb/m
- 320 nWb/m
- 355 nWb/m
- 510 / 514 nWb/m
The correct setting depends on the intended tape and recording standard.
Tape Formulation Matters
A recorder should ideally be calibrated for the tape formulation you intend to use.
Examples of current Recording The Masters tape stocks include:
- SM900
- SM911
- LPR35
- LPR90
Different formulations require different bias and operating-level settings.
NAB vs IEC / CCIR
Collectors buying master-tape copies should pay close attention to equalisation.
NAB
Common in North America and many Japanese machines.
IEC / CCIR
Common in Europe and on many professional master-tape recordings.
Some premium machines allow switching between both.
Before Shipping a Valuable Reel-to-Reel Machine
Before sending a valuable tape recorder for restoration, ask:
- Do you currently support this exact model?
- Can you still source critical parts?
- Should the head block be sent separately?
- Should reels and NAB adapters be removed?
- How should tension arms be secured?
- Do you have the factory service manual?
- Do you use MRL or equivalent calibration tapes?
- Can you measure wow and flutter?
- Can you measure frequency response?
- Can you measure distortion?
- Do you provide before-and-after measurements?
- Can you calibrate for my preferred tape?
- Can you calibrate NAB or IEC/CCIR?
- Is head relapping done in-house or outsourced?
- Is return shipping fully insured?
Five Levels of Reel-to-Reel Restoration
Level 1 — Basic Service
- Cleaning
- Lubrication
- Basic fault repair
- Speed check
- Basic calibration
Level 2 — Electronic Restoration
Includes:
- Capacitors
- Power supply
- Relays
- Trimmers
- Failure-prone semiconductors
- Audio-path repairs
Level 3 — Mechanical Restoration
Includes:
- Bearings
- Pinch roller
- Brakes
- Motor bearings
- Tape guides
- Tension assemblies
- Reel tables
- Capstan system
Level 4 — Professional Rebuild
Complete mechanical and electronic restoration followed by measured professional alignment.
Ideal for:
- Master-tape playback
- Studio mastering
- Archival transfer
- Professional recording
- Reference audiophile systems
Level 5 — Custom Re-Engineered Machine
Companies such as:
- United Home Audio
- J-Corder
- Alter Ego Appearance
can take restoration much further with custom electronics, power supplies, tape paths, grounding systems, shielding, finishes and control systems.
2026 Shortlist by Purpose
New Reel-to-Reel Machines
- Revox
- Ballfinger
- Analog Audio Design
- Metaxas & Sins
Studer / Revox Restoration
- Revox Classic
- Reel Resilience
- Tekx Electronics
- Reel Audio LLC
- Reel to Reel Tech
MCI Machines
- Mara Machines
Technics Custom Restoration
- J-Corder
Extreme Audiophile Modification
- United Home Audio
- J-Corder
Magnetic Head Relapping
- JRF Magnetic Sciences
- Summertone
- Tekx Electronics
- Technical Workshops
- Nagravox
Ferrograph / Brenell
- Servicesound
Worldwide Quick Reference
Australia
- Sandstone Studios
- Technical Workshops
- Nagravox
Canada
- Reel to Reel Tech
- Tekx Electronics
- Crasno
- M2 Circuits
- Sigma Electronic Services
France
- Analog Audio Design
- Magneto-Shop
- MVT-Revox
Germany
- Revox
- Ballfinger
- Revox-OnLine
- Hi-End Japan GmbH
- Thorens
Greece
- Metaxas & Sins
- Master Sound Lab
Italy
- The Recorderman
Latvia
- Reel to Reel World
Netherlands
- MFB Freaks
Serbia
- Nebojsa Popovic
Slovakia
- Sepea Audio
Switzerland
- Analog Wizard
- Genève Musique
- DERREPARATEUR.ch
United Kingdom
- Reel Resilience
- Summertone
- Servicesound
- Larkings List
- Clive Kavan
- WD41
- Rob Brinkworth
- Allen Wright
- Electrofix
- Hear Audio
- Audiophiles Clinic
United States
- Mara Machines
- United Home Audio
- J-Corder
- JRF Magnetic Sciences
- Funktional Technologies
- Myriad Magnetic
- Alter Ego Appearance
- Allen Sound
- Vertigo Recording Services
- SRK Audio
- Doctor Bass
- Technical Audio
- RTZ Professional Audio
- Shuster Sound
- ATR Service
- World Pro Audio
- Reel Audio LLC
- Audio Magnetics
- Walt’s Vintage Audio
- Music Technology
- Zeltec R&D
- Waltzing Bear Audio
- Tubular Audio
- Adams Electronics
- Technical Audio Services
- Normaphone
- TEK Media Group
Argentina
- Julián Tello — Yeyo
Collector’s Golden Rule
Never buy a vintage reel-to-reel machine simply because the seller says:
“Fully serviced.”
Ask instead:
Who serviced it?
What was replaced?
Were the heads measured?
Was the transport aligned?
What calibration tape was used?
What reference fluxivity was used?
What tape was the machine biased for?
Was it calibrated at every operating speed?
Was NAB or IEC/CCIR used?
Are measurement results available?
For a serious reel-to-reel recorder, restoration quality and calibration can be more important than cosmetic condition.
Final Thoughts
The worldwide network of reel-to-reel specialists is relatively small compared with the enormous number of vintage machines still in use.
That makes experienced technicians increasingly valuable.
A properly restored Studer, Revox, Technics, Otari, MCI, Ampex, TEAC, Tascam, Pioneer or Sony machine can still deliver extraordinary analogue performance decades after it was manufactured.
The key is choosing a technician with the right experience, test equipment, calibration tapes, replacement parts and knowledge of the specific machine.
This directory is intended as a living international reference for collectors, studios, archivists and audiophiles.
Service availability changes, businesses evolve and technicians retire, so always contact the specialist directly before shipping equipment.
**** Source reference:
Recording The Masters — Reel-to-Reel Machine Refurbishers & Manufacturers
Published by The Sound of Tape - The International Guide to Open-Reel Tape Machine Manufacturing, Restoration, Repair, Calibration, Head Relapping & Custom Modification.
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