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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesWaldenburgVintage Synthesizer & Hammond Service Christian Freiburghaus
Vintage Synthesizer & Hammond Service Christian Freiburghaus Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Vintage Synthesizer & Hammond Service Christian Freiburghaus restores and repairs Hammond tonewheel organs and vintage analog synthesizers, providing electronics overhauls, replacement of aged capacitors, scanner and keyboard servicing, motor repairs, and modifications such as voltage conversion and Leslie/echo kit installation.

AI-generated
Offering

Products & services

Industry:Repair of Machinery & Electronic Devices
✓ Offered5
Hammond organ restorations
Comprehensive revisions and restorations of Hammond tonewheel organs, including replacement of aged capacitors, cleaning of contacts, renewal of felts and safety retrofits.
Repairs for Hammond organs
Repairs for starting problems, hum, faulty vibrato/chorus and other malfunctions; individual assemblies such as the run motor or electronics are also repaired.
Modifications to Hammond organs
Conversions and retrofits such as 230 V/50 Hz conversion, Leslie kit, echo kit, reverberation (Federhall), foldback, line-out, effects loop and percussion retrofit.
Revision of Leslie and Hammond tone cabinets
Revisions of Leslie and Hammond tone cabinets, with cleaning and disassembly of the motors, replacement of capacitors, wear parts, tube stages and, if necessary, loudspeakers.
Restoration of vintage analog synthesizers
Restorations of analog synthesizers from the monophonic, analog era, for example Minimoogs, including replacement of contact springs, capacitors, trimmers and op-amps.
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4.1/5

Vintage Synthesizer & Hammond Service Christian Freiburghaus

Trust & reputation

ranQ Trust Score of Vintage Synthesizer & Hammond Service Christian Freiburghaus: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Vintage Synthesizer & Hammond Service Christian Freiburghaus has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Vintage Synthesizer & Hammond Service Christian Freiburghaus scores 74.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.89.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Vintage Synthesizer & Hammond Service Christian Freiburghaus scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Vintage Synthesizer & Hammond Service Christian Freiburghaus scores 0.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Vintage Synthesizer & Hammond Service Christian Freiburghaus reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Burgmattstrasse 15
4437 Waldenburg

At a glance

Legal form
Sole proprietorship
UID
CHE-480.561.276
Founded
2015 · 11 years
Last commercial register change
February 9, 2015
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.67.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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