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Custom Repairs

Quality String Instrument & Guitar Repair in Columbus, OH

A String Instrument Repair is the only name you need to know for custom instrument repairs, parts, and guitar repair in Columbus, OH. From violins and guitars to tube amplifiers, Mike Cox has the skills to work on any string instrument at his location in Columbus, Ohio. If you're looking for something new entirely, he can also custom-manufacture violins. His discriminating repair and custom building services have even earned him the patronage of pro musicians. Whether you're a full-time musician, a school, or a student, Mike will take great care to make sure your beloved instrument plays at its very best.


  • Alvarez
  • Ampeg
  • ESP
  • Fender - Including Jazzmaster, Mustang, Stratocaster, Telecaster
  • Fishman
  • Gibson -Including Les Paul
  • Guild
  • Harmony
  • Ibanez
  • Jackson
  • Luthier
  • Martin
  • Marshall
  • Ovation
  • Paul Reed Smith (PRS)
  • Peavey
  • Rickenbacker
  • Supro
  • Taylor
  • Yamaha
Guitar Repair - Columbus, OH

Electric, Acoustic, Classical, Folk, & Re-Issue Guitars & Basses (Including Fretless, J-Basses, & P-Basses)

  • Strings
  • Tuners (Including Keys & Pegs)
  • Setups (Includes Setting Intonation)
  • Hand-Carved Nuts and Saddles
  • Truss Rod Adjustments and Repair


  • Precision Fret Work
  • New Tuning Key Installation
  • Minor Finish Work
  • Vacuum Tubes
  • Structural Work — Including Breaks, Cracks, Fractures, Separations, & Seams
  • Bindings
  • Effects Pedals
  • Fingerboards
  • Electronics, Rewiring, Install New Pick Ups (Custom Router Work If Needed)

Violins, Violas, & Cellos

  • Setups
  • Finish Touchups
  • Peg Repair or Replacement
  • Bridges
  • Repair Bindings
  • Sound Post Adjustments
  • Repair Cracks, Breaks, Seams & Separations

Other Instruments Serviced

  • Banjos
  • Dobros
  • Fiddles
  • Ukuleles
  • Mandolins

Types of Strings Serviced

  • Banjo Strings
  • Bass Strings
  • Guitar Strings
  • Mandolin Strings
  • Viola Strings
  • Violin Strings

String Brands

  • D'Addario
  • Ernie Ball
  • GHS
  • Dunlop
String Instrument Repair - Columbus, OH

Vintage Tube Amp Repair

  • Bench Testing (Includes Comprehensive Inspection, Scope & Diagnosis)
  • Broken Wire Repair
  • Broken Solder Joint Repair
  • Testing & Replacement of Worn-Out Tubes & Electronic Parts
  • Modifications & Custom Work

Violin Construction

As a skilled luthier, Mike also builds custom violins designed with traditional patterns and molds that are often more than 400 years old. He spends up to 100 hours meticulously constructing each one. Contact him today with inquiries.