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Tube Amp Repair I Fundamentals – Winter Course

$685 $585

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Register at least 30 days in advance for an early registration discount!


Tube amp diagnostics and repair is equal parts science and art – there are very few places to learn it and few masters of the craft willing to divulge their hard won secrets.

Ian Schneller brings 30+ years of experience repairing, designing and building tube amplifiers to this course offering students the rare opportunity to learn tube amp repair fundamentals from a master amp builder in his service shop.

Students who have a grasp of these fundamentals may wish to complete their training in our Tube Amp Repair, Modifications and Diagnostics 2 Advanced course.

Tube Amp Repair I and II is for those who wish to register for both courses, and is offered at significant savings!

  • Workshop Safety

    While we make every effort to keep the CSGM workshop clean it can be dusty and at times noisy. We recommend hearing, respiratory, and eye protection be used when working in the shop. We have this safety equipment available for use or purchase when in class and it is the students responsibility to exercise diligent use of these safety measures.

  • Fee

    Fee covers tuition: Lecture, demonstrations, Q&A.

  • Instructors

    Ian Schneller read bio

  • Location

    1240 N. Homan Ave. in Chicago, Illinois 60651   Map

  • Registration

    Register online, in person, or by phone: 773.489.483 . Cash, credit card or a personal check are accepted. Registrations are final and non-refundable. Payment credit is transferable.


This seminar offers lectures, demonstrations, and Q and A covering tube electronics, diagnostics and repairs fundamentals.

Students will learn about tube amplifier design and circuits, testing equipment, troubleshooting, diagnostics, and repair techniques, and safety.

A set of tools for the professional workshop and an emergency kit of tools will be recommended.

Topics include:

  • Components and Circuits
  • Reading a Block diagram
  • Reading Schematics
  • Signal flow
  • Tools and Equipment
  • Testing
  • Diagnostics
  • Repair techniques
  • Repair vs. restoration
  • Emergency repair preparedness
  • Safety
Photos taken at Specimen Products during the building of the Sonic Arboretum Exhibit for MCA Chicago