We service:

• Guitar amplifiers
  
• Effects pedals
  
• Synthesizers and keyboards
  
• Recording equipment
  
• Studio electronics
  
• Vintage audio equipment
  
• Rack processors and outboard gear
  
• Mixers and recording consoles
  

If you're unsure whether we can service your equipment, please contact us.

Yes. Customers throughout Japan may ship equipment directly to our workshop in Sapporo for evaluation, repair, restoration and modification services.

Every repair begins with a diagnostic evaluation.

Current rates:

• Diagnostic / bench fee: ¥8,000
  
• Includes up to one hour of evaluation
  
• Additional labor: ¥6,500 per hour
  
• Parts billed separately
  

We will provide an estimate before proceeding with repairs.

Yes.

After evaluating the equipment we will provide a repair estimate and approximate timeline. No repair work is performed without customer approval.

Turnaround times vary depending on:

• Complexity of the repair
  
• Parts availability
  
• Current workshop workload
  

Minor repairs may be completed within a few days, while vintage restorations can take several weeks.

Yes.

Vintage restoration is one of our specialties. We regularly service and restore:

• Vintage amplifiers
  
• Tape machines
  
• Synthesizers
  
• Electric pianos
  
• Recording consoles
  
• Tube audio equipment
  

Our goal is to preserve the original character and reliability of the equipment whenever possible.

Yes.

We offer modification and customization services including:

• Amplifier modifications
  
• Effects pedal modifications
  
• Studio equipment upgrades
  
• Circuit redesign and optimization
  
• Custom electronics projects
  

Please contact us to discuss your requirements.

Absolutely.

We routinely service:

• Fender
  
• Marshall
  
• Vox
  
• Mesa/Boogie
  
• Ampeg
  
• Orange
  
• Boutique and vintage amplifiers
  

Services include troubleshooting, restoration, maintenance, bias adjustment and performance upgrades.

In many cases, yes.

We maintain relationships with suppliers in Japan and internationally and can often source:

• Vintage replacement parts
  
• Tubes
  
• Potentiometers
  
• Switches
  
• Transformers
  
• Electronic components
  

For obsolete parts, suitable replacements or restoration options may be available.

Whenever practical.

For collectible vintage equipment we generally prioritize preserving originality while maintaining reliability and safety.

Any major changes or component replacements will be discussed before work begins.

Yes.

Most repair work includes a 30-day warranty covering the specific repair performed. Warranty terms may vary depending on equipment condition and the nature of the repair.

If a repair is not economically practical or technically possible, we will explain the situation and discuss available options before any additional work is performed.

We recommend:

• Removing loose accessories
  
• Using a sturdy box
  
• Providing at least 50–100 mm of padding on all sides
  
• Double-boxing valuable equipment
  
• Insuring shipments when possible
  

Improper packaging is the most common cause of shipping damage.