New! Effects Pedal Building Workshop Open Now

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Tube Amp Diagnostics & Repair I

A overview of the fundamentals of tube amp diagnostics and repair from the standpoint of the amplifier repair professional. Students will gain a understanding of tube amp circuitry and troubleshooting in a very short time in this intensive course. Lecture/ demonstrations with Q and A will range from emergency repairs to amp restoration.

The diagnostics and repair of a tube amp 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. More than just the keys to a vocational opportunity – here’s a chance to techniques from a master amp technician that is one of the best in the business.

Follow this with Diagnostics & Repairs 2 – Mods & Advanced Techniques  for a deep understanding of tube amp troubleshooting, advanced diagnostic techniques and modification techniques and how to get the most out of diagnostic equipment.

Questions? Please call us! 773-489-4830


Topics include:

  • Safety
  • Preliminary testing
  • Digital voltmeter test functions
  • Breaking down the circuit into basic sections and the Scientific Method
  • Block diagram of the basic sections of an amplifier
  • The order of power supply function
  • The order of “signal flow” from wall outlet to tubes, and from guitar signal to speaker
  • Repair vs. restoration
  • Emergency repair preparedness


Tuition includes lectures and demonstrations with Q and A.  A catered lunch and refreshments are served and is included.


Kye Kennedy  

Kye brings decades of experience as an amp and stage technician working for an impressive roster of clientele in Nashville, the mid-south and around the globe. His extraordinary amp diagnostics curriculum is well thought out and lucid.


Register for any of our classes online, by phone or in person. Please note: Registrations are final and nonrefundable. In the event that a student cannot attend a class, written notice must be given in advance to receive a credit to be used on another tuition. Valid credit may be transferred to another course date, or to another student, if so desired.



Call us if you prefer to register over the phone with your credit card. We will send you a confirmation via email, or by snail mail if you prefer.


Select the class dates you wish to attend in Available Dates column. (See the upper right of the this page.)

Click ENROLL NOW. Enter the required information. Pay by clicking the Paypal button. (NOTE: It is NOT necessary to have a Paypal account to use their service.)

Choose your payment method. Complete the payment transaction. Your receipt and a confirmation will be emailed to you.


Come by the shop during business hours to enroll using cash, credit card, or a personal check.


The Chicago School of Guitar Making

ADDRESS   1240 N. Homan Ave. Chicago IL 60651

HOURS   Monday – Friday: 12 – 7 pm, and Saturday: 12 – 5


PHONE  773-489-4830